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Posted 15 days ago  •  Proposals: 10 to 15  •  Поиск: AI Agent  •  опубликована 23.10.2026, 22:16

Навыки 35 · Бюджет 40 · Клиент 90 · Ясность 60 · Конкуренция 90

Fixed $1,800 - Expert - Est. Time: 3 to 6 months - рейтинг 4.9 (49 отзывов) · найм 167%

Senior Full-Stack Engineer — Backend Stability, Database Concurrency, Web & Mobile Long-Term Startup Engagement: Pre-Beta → Beta → Official Launch ============================================================ READ THIS FIRST — SERIOUS APPLICANTS ONLY You must answer every one of the 25 screening questions in the Mandatory Screening Questions section below to be considered. If you are not prepared to answer all of them in your own words and in technical detail, do not apply. Applications without complete answers will not be read. Answers that are generic, copied or AI-generated without your own reasoning will be rejected. This is the first of several waves. Applicants who pass Wave 1 will receive further waves of written technical questions based on their answers. Each wave is harder than the last. This is not a quick-fix job. We are looking for a long-term senior full-stack engineer who has worked at startups, has personally launched mobile apps to production, is available on weekends when launch work requires it, and wants to grow with the product. This is not an immediate money opportunity. We are a startup and funds are limited right now. Compensation during pre-beta and beta may not match the work required. We are looking for someone who sees the vision and is willing to do what it takes to get us to official launch, with a deeper compensation discussion once revenue is coming in. Delayed gratification will be heavily considered. Read Section 3 before applying. This is a fixed budget of two milestones of $900 each (Section 4). The work will take more hours than the budget covers, including weekends. Unforeseen bugs, engineering changes, and optimization are in scope. This position is extremely key. You will provide and execute the plans for pre-beta, beta, and official launch, lead the team through them, and work with the Lead Developer. Execution ability, leadership ability, and full launch experience are required. We are looking for a game changer. Make no mistake about it: the person we choose must be extremely skilled, thorough, efficient, used to launching apps, and able to move us through pre-beta, beta, and official launch. Please do not apply if you are not serious or not strong technically. Please do not waste your time or ours. To show you read this whole document, begin your proposal with the words “Root cause first.” Proposals that do not begin this way will not be read. ============================================================ 1. ROLE PURPOSE We are seeking a highly capable Senior Full-Stack Engineer to work alongside the existing Lead Engineer on complex backend, web frontend, and mobile engineering work, including backend stabilization, database remediation, concurrency correctness, performance under load, security-sensitive workflows, CI/CD reliability, and regression prevention as the product moves from testing to public launch of its mobile apps. This is not a replacement Lead Engineer position. It is a launch leadership and execution role: you will produce the execution plans for pre-beta, beta, and official launch, lead the team through them alongside the Lead Engineer, and do hands-on engineering to get each phase done. The selected engineer must operate as a senior technical partner who can independently investigate difficult defects, work collaboratively with the Lead Engineer, review and challenge technical assumptions, take ownership of assigned remediation workstreams, identify issues beyond the initially reported line of code, produce production-quality fixes and tests, explain technical findings clearly, work within the existing architecture rather than unnecessarily redesigning it, escalate genuine architectural risks, and help the team close difficult findings faster without introducing new regressions. The ideal candidate is someone the Lead Engineer can assign a difficult backend, frontend, or mobile problem to and reasonably expect: root-cause analysis → technically sound solution → regression protection → clean PR → validation evidence → handoff. 2. WHO WE ARE LOOKING FOR Technical strength alone is not enough. We are looking for a specific kind of engineer: - Full-stack depth. You can take on complex backend and frontend work: NestJS/PostgreSQL services, Next.js web apps, and React Native/Expo mobile apps. You are extremely experienced across a broad range of areas, because the scope here is broad and the team is small. - Startup experience. You have worked at early-stage companies where the team is small, priorities shift, there is no separate SRE, QA or DBA team, and you own problems end to end. - Mobile launch experience. You have personally helped launch at least one mobile app to the Apple App Store and/or Google Play and supported it through its first weeks in production. You understand that old app versions stay in the field and the backend must keep serving them. - Launch-ready availability. Weekend work is required during launch windows, release-blocking defects, critical regressions, load-test reruns, and milestone closeout. - Long-term commitment. This is an ongoing engagement, not a single ticket. We want someone who will learn the system deeply, stay through public launch and beyond, and grow with the product. - Belief in the product. This is a personal safety app. Defects here are not cosmetic: a race condition can mean a contact sees stale location, a recording does not restart, or an alert is sent twice. You must care about getting it right. - Execution and leadership. You can see what needs to happen, turn it into a plan, lead the team through it, and execute it yourself. You have full experience launching, from first testers to a public release, and you work well with a Lead Developer without stepping on their role. - A game changer. You raise the level of the whole team. You are thorough and efficient, you find what others miss, and you move the product measurably closer to launch every week, not just close tickets. - Payments, finance, and security. You can handle Stripe, Avalara, and QuickBooks, the platform’s internal financial management, and application security, and you understand the financial, technical, and security nuances between them. - Ownership without ego. You can disagree with evidence, accept review, and leave the code easier for the rest of the team to maintain. 3. THE VISION, THE PATH TO LAUNCH, AND COMPENSATION This is not a one-time opportunity, and it is not an immediate money grab. We are looking for someone who sees the vision, is willing to stick with it, and is willing to do what it takes to get us to pre-beta, beta, and official launch. Our path to launch: - Pre-beta — internal testing. A set of internal testers uses the product. The environment must be ready for them, and the bugs they find must be fixed and resolved before beta. - Beta — public launch, free service. We launch to the public, and people use the service free for a few months while we build our user base. The platform must be operationally ready end to end. - Official launch — paid service. This is when we begin charging for the service. - After official launch — growth. We build revenue and a strong base so that we can offer a decent salary long term. Compensation. As a startup, our funds are limited right now. Compensation during pre-beta and beta may not match the work you will do. A deeper and more reasonable compensation discussion will happen once revenue is coming in and we have built a strong base. You must be willing to work toward the vision of what we are building rather than immediate financial reward. The current budget is two fixed milestones of $900 each (Section 4). We are being direct: the work required to get us through official launch will take more hours than this budget covers, including weekends. Only apply if you accept that. Delayed gratification is required. We will weigh it heavily when reviewing every application, and Question 24 asks you to respond to it directly. If you are looking for immediate financial reward, this is not the right fit. Please do not apply. This document does not promise any specific future compensation, salary, or equity. Any future arrangement will be agreed separately in writing. 4. MILESTONES AND DELIVERABLES This engagement is structured as two fixed-price milestones. Each milestone is released when its deliverables are complete and meet the Definition of Done, with evidence. Milestone 1 — Pre-Beta and Beta Readiness ($900): Get the platform ready for pre-beta, then move it through pre-beta and into beta. First deliverable: the Pre-Beta Execution Plan and the Beta Execution Plan (see the Launch Execution Plans section), reviewed with the Lead Engineer and approved before execution begins. The engineer then leads and executes both plans. - Onboarding. Access set up within the Scan Authorization Matrix, local environment running, review of the Findings Register, architecture, CI, and open PRs. Within the first week, a written assessment of the top technical, financial, and security risks to launch. - Checks and balances. Required CI gates confirmed to actually run; regression tests added for every fix; evidence package on every PR. - Load stability. CPU and database statements per request reduced, transaction scope shortened, the 50-user load test passed on rerun, and support for the higher load tiers, with hosting recommendations backed by measurements. - Compliance and consent flows. Age, consent, and guardian-consent flows behave exactly as approved, including the payment verification hold being placed and released correctly. - Mobile readiness. Session state stays in sync with the server, background recording uploads are reliable, and closed-testing builds are ready for invited testers. - Payments (test mode). Stripe flows verified end to end: holds, captures, cancellations, refunds, and idempotent webhook handling. - Security review. Review of the pre-beta and beta surface: authentication, authorization, secrets handling, access control, and dependency risk, with findings fixed or formally dispositioned. - Audit support. Support for the frozen build and isolated environment used by the external audit, and fixes for its findings. - Pre-beta execution. Environment ready for internal testers; every bug found in pre-beta triaged, fixed, and resolved before beta, with evidence. - Beta execution. Public beta launched with onboarding, core functionality, and support processes operationally ready end to end. - Beta readiness sign-off. A readiness checklist with evidence, and handoff notes. Milestone 2 — Official Launch Readiness ($900): Carry the platform from beta through official launch, when we begin charging for the service. First deliverable: the Official Launch Execution Plan, reviewed with the Lead Engineer and approved before execution begins. The engineer then leads and executes it. - Carryover. All open bugs and engineering work from Milestone 1 and from beta feedback closed with evidence. - Live payments. Stripe in live mode: charges or subscriptions, refunds, disputes, payouts, and multi-entity handling, with webhooks that are idempotent and reconciled. - Tax and accounting. Avalara tax calculation integrated and verified; QuickBooks sync working and reconciled against Stripe; the platform’s internal financial records and reports accurate. - Production readiness. Load tested at the launch target, hosting sized from evidence, monitoring, tracing, and alerting in place, and a rollback plan. - Pre-launch security review. Findings fixed, secrets and keys rotated where needed, and basic incident-response steps documented. - Store release. Production App Store and Google Play releases, an OTA update policy, and backward compatibility with older app versions. - Launch sign-off. Launch readiness checklist with evidence, updated Findings Register, and handoff documentation. Unforeseen Work: There will be bugs. There will be software engineering changes, modifications, optimization, and other unseen work that is not listed in a specific deliverable. That work is part of this engagement, and the engineer must be able to handle it. Anything open at the end of Milestone 1 carries over into Milestone 2. 5. LAUNCH EXECUTION PLANS This position is extremely key. The engineer must provide three execution plans, lead the team through each one with the Lead Engineer, and execute on them. A plan without execution, or execution without a plan, does not meet this requirement. Pre-Beta Execution Plan (internal testers): Goal: the environment is ready for a set of internal testers, and the bugs they find are fixed before beta. Beta Execution Plan (public launch, free service): Goal: the platform is operationally ready end to end for the public. Onboarding works, the app's functionality works, and the platform is optimized so it runs without bugs or other issues and has the capacity to handle a large number of users as it grows. Official Launch Execution Plan (paid service): Goal: the platform is ready to charge customers, with payments, tax, accounting, security, and capacity ready for growth. Each plan must include: - Readiness criteria. What “ready” means for that phase, and the evidence that proves it. - Environment readiness. Servers, database, configuration, secrets, builds, and access ready for that phase. - Onboarding and core flows. End-to-end checks of sign-up, onboarding, consent, and the main safety features on real devices. - Bug triage and resolution. How bugs are reported, ranked by severity, assigned, fixed, verified, and closed, with target times per severity. - Capacity and optimization. Load targets for that phase, test results, optimization work, and hosting sizing for growth. - Monitoring and incident response. What is watched, who is alerted, and what happens when something breaks. - Go / no-go criteria. The conditions that must be met before moving to the next phase. - Rollback plan. How to back out a bad release or update safely. - Team assignments. Who does what, coordinated with the Lead Engineer. - Timeline and risks. The schedule, dependencies, top risks, and how each risk is handled. 6. ENGAGEMENT OBJECTIVE The objective is to strengthen and stabilize the platform (backend, web, and mobile) for launch while reducing the engineering time spent repeatedly diagnosing regressions, revisiting previously fixed defects, correcting weak pull requests, and troubleshooting failures that should have been identified before merge. The engineer will work on identified defects involving PostgreSQL, Prisma, NestJS, Redis, database transactions, connection pooling, concurrency, locking, retries, idempotency, background jobs, maintenance workers, the outbox pattern, compliance workflows, authentication, authorization, session state, evidence-write integrity, Stripe and webhook processing, Avalara tax calculation, QuickBooks integration, internal financial management and reconciliation, application security, Next.js web applications, React Native/Expo mobile client behavior and API contracts, load-test remediation, observability, CI/CD, GitHub Actions, and automated regression testing. The objective is not merely to make the reported error disappear. The engineer must determine whether the underlying technical, security, safety, compliance, concurrency, or integrity rule is correctly enforced across all materially equivalent execution paths. 7. RELATIONSHIP WITH THE LEAD ENGINEER The selected engineer will work under the overall technical direction of the Lead Engineer and is expected to complement the Lead Engineer, not compete with or unnecessarily duplicate the Lead Engineer's responsibilities. The engineer must respect existing architectural ownership, coordinate before making material cross-cutting changes, raise concerns with technical evidence, propose alternatives when appropriate, accept technical review, clearly document material technical disagreements, avoid unnecessary rewrites, and leave the codebase easier for the existing team to maintain. At the same time, the engineer must demonstrate independent technical judgment. If the engineer identifies a race condition, security weakness, unsafe retry, hidden regression, incorrect assumption, unreliable test, architectural inconsistency, or another material risk, the engineer is expected to raise it promptly and explain the technical basis. The engineer should not simply implement instructions without evaluating whether they are technically correct. 8. REQUIRED EXPERIENCE AND TECHNICAL CAPABILITY Minimum Experience: - 10+ years of professional software engineering across backend, web frontend, and mobile, with at least 3 years at startups or early-stage product teams. - Hands-on involvement in launching at least one mobile app to production (App Store and/or Google Play), including the backend that serves it. - Production ownership of PostgreSQL-backed systems under real concurrent load: you have diagnosed lock contention, pool exhaustion, or deadlocks in production yourself. - Demonstrable work you can discuss in detail: PRs, incidents, postmortems, or architecture you personally owned. Backend Engineering: - Node.js and TypeScript at a senior level - NestJS or a comparable enterprise backend framework - REST APIs, versioning, and backward compatibility with older mobile clients - asynchronous processing, background workers, schedulers - webhooks and external provider integration - distributed backend services and partial-failure handling - stateful workflow and state-machine design Database Engineering: - PostgreSQL internals relevant to locking: row-lock modes (FOR UPDATE, FOR NO KEY UPDATE, FOR SHARE, FOR KEY SHARE), MVCC, snapshots - Prisma or a comparable ORM, including interactive transactions and their limits - transaction boundaries, isolation levels, serialization failures, deadlocks - unique and partial unique indexes, constraints, ON CONFLICT - lock_timeout, statement_timeout, idle_in_transaction_session_timeout - pg_stat_activity, pg_locks, pg_stat_statements, EXPLAIN (ANALYZE, BUFFERS) - connection pooling (application pools and PgBouncer modes) - zero-downtime migrations on large, hot tables Reliability and Performance Engineering: - idempotency, retries, duplicate-request and duplicate-job prevention - race-condition prevention and final-decision revalidation - outbox pattern and at-least-once delivery - timeout handling, failure recovery, partial-failure analysis - load testing, CPU-per-request analysis, and capacity planning - distinguishing code inefficiency from host or infrastructure contention Frontend and Web Engineering: - React and Next.js at a senior level (App Router, server components, SSR/SSG, middleware, caching) - TypeScript state management, data fetching, and cache invalidation - forms, validation, error states, and accessibility - web authentication flows: cookies, sessions, CSRF, token refresh - security headers, CSP, and dependency upgrades of major frameworks - web performance (Core Web Vitals, bundle size, rendering cost) Mobile Engineering and Client Contract: - React Native / Expo app development, not only backend integration - native modules, permissions, location, audio/video capture, background tasks - EAS builds, App Store and Google Play submission and review - OTA updates, runtime versions, and API compatibility across app versions - offline-first clients, background execution limits on iOS and Android, chunked and resumable uploads Payments, Tax, Accounting and Platform Financial Management: - Stripe: PaymentIntents, manual capture and authorization holds, subscriptions, refunds, disputes, payouts, Connect and multi-entity setups - Stripe webhooks: signature verification, event deduplication, out-of-order events, reconciliation - Avalara (or comparable) tax calculation, tax-on-refund handling, and nexus considerations at a technical level - QuickBooks Online integration: syncing invoices, payments, refunds and fees; avoiding duplicate entries; reconciliation - internal financial records: ledgers, balances, audit trails, and reports that match the payment provider - keeping card data out of scope (PCI) and protecting financial keys and credentials Security: - application security: OWASP Top 10, authentication, authorization, session management - secrets management and key rotation - access control for environments, databases, and third-party consoles - dependency and supply-chain risk - security review of new features before release, and incident response basics Infrastructure: - Docker, nginx, Linux servers, DNS, and TLS - Redis - cloud hosting and sizing (shared vs dedicated CPU, managed databases, load balancers) CI/CD, DevSecOps, Observability and Testing: - GitHub Actions, required checks, merge gating, workflow debugging, actionlint - static analysis (Semgrep), dependency and secret scanning (npm audit, Gitleaks) - automated review tooling (CodeRabbit, Greptile) and judging its findings - Sentry / OpenTelemetry tracing and span structure - Jest, PostgreSQL integration testing, deterministic concurrency testing, failure injection, regression and negative testing 9. EXPECTED ENGINEERING LEVEL This role is intended for a senior-level engineer. A candidate whose experience is primarily CRUD development, experience limited to one layer of the stack, simple API integration, or ordinary bug fixing is unlikely to be appropriate. The selected engineer should be comfortable investigating situations where a defect only appears under concurrency; the problem occurs between multiple database transactions; a retry happens after an earlier side effect; cached state becomes stale during an asynchronous operation; two workers process the same record; a session terminates while another request is still executing; a CI workflow silently stops running an important test; a database timeout occurs after partial work; lock ordering creates deadlocks; a load test fails because of host CPU contention rather than slow queries; an older mobile build sends a request shape the backend no longer expects; a mobile screen shows a session as active after the server ended it; a web page serves one user’s cached data to another; or the visible error is only a symptom of a deeper architectural problem. 10. CORE WORKSTREAMS 1. Connection-pool exhaustion and idle-in-transaction sessions. 2. Long-running Prisma transactions and transaction-scope reduction. 3. Database timeout behavior, lock timeouts, and statement timeouts. 4. Deadlocks, serialization failures, and lock ordering. 5. Load-test remediation: CPU per request, statements per request, and host-contention analysis. 6. Background-job collisions and maintenance-worker concurrency. 7. Session integrity and recording-session integrity. 8. Authorization race conditions and revocation handling. 9. Cache/state reconciliation. 10. Compliance acknowledgement and consent concurrency. 11. Evidence-write integrity: durable record before any irreversible action. 12. Outbox side writes and post-response work. 13. Stripe payment-hold and webhook reliability. 14. Duplicate processing, retry, and idempotency correctness. 15. Database index and migration remediation. 16. Mobile client/API compatibility across app versions. 17. Observability: trace structure, worker visibility, alert quality. 18. CI failures, GitHub Actions reliability, and pre-merge defect prevention. 19. PostgreSQL regression testing. 20. Web frontend defects: auth/session handling, caching, framework upgrades. 21. Mobile client defects: state reconciliation, background behavior, permissions, offline handling. 22. Equivalent-path review. 23. Failure, timeout, and database recovery behavior. 24. Deployment-sensitive backend defects. 25. Stripe, Avalara, and QuickBooks integration and reconciliation. 26. Internal financial management on the platform. 27. Security review and hardening before beta and before official launch. 28. Pre-beta, beta, and official launch execution planning and leadership. 11. ENGINEERING STANDARDS (FULL DETAIL IN THE ATTACHED SOW PDF) The attached SOW PDF contains the full engineering standards that apply to all work: root-cause requirement, concurrency standard, performance and capacity standard, PostgreSQL testing standard, retry and idempotency standard, pull request requirements, regression-test and CI requirements, required pre-merge checks, review finding disposition, AI-assisted engineering rules, branch drift and merge safety, communication standard, required evidence package per PR, handoff requirements, turnaround and weekend availability, security and access boundaries, and the definition of done. In short: every fix needs a root cause, equivalent paths reviewed, a regression test that fails before and passes after, real PostgreSQL tests where the database is involved, green CI where every required check actually ran, and evidence. A code change is not acceptance. Weekend availability is required during launch windows and release-blocking issues. 12. MANDATORY SCREENING QUESTIONS — WAVE 1 Applicants must answer all 25 questions. An application with any question unanswered will not be read. These are intentionally difficult. For each question, explain the actual implementation, the exact sequence of events, the SQL or database behavior, the failure conditions, the testing approach, and the evidence you would use to prove the correction. Generic explanations of concepts are not sufficient. Where a question asks for SQL or pseudocode, provide it. Number your answers to match the questions. Short, precise answers are better than long, vague ones. Question 1 — Stale Authorization Across an Async Gap A request reads an active session and confirms Contact A is authorized (statement 1). It then performs a Redis lookup that takes 300 ms. During those 300 ms, another request revokes Contact A, terminates the session, and commits; the Redis cache is invalidated a moment later by a separate step. Redis returns an empty result, and the original request returns authorized: true, terminal: false, and no coordinates. A developer’s fix re-checks authorization only when Redis returns a live result. Your answer must cover: the exact race window; why the developer’s fix is wrong; the SQL for a final committed-state check, and whether it must be the same statement that reads the protected data or can be a separate one; what READ COMMITTED guarantees per statement versus REPEATABLE READ here; and what the response must be when the final check finds the session terminated. Question 2 — Read-Then-Insert Race With a Partial Unique Index A service SELECTs a Live Location session by (user_id, session_type, device_session_id); if none exists it INSERTs. Two requests arrive simultaneously and both INSERT. Only one active session may exist, and only when location_sharing_enabled = true and device_session_id IS NOT NULL. The code uses Prisma and runs inside an interactive transaction. Your answer must cover: the partial unique index DDL; why wrapping SELECT + INSERT in a READ COMMITTED transaction does not fix it; the INSERT … ON CONFLICT form that works with a partial index (including the conflict-target predicate); why Prisma upsert cannot express it; what happens to the surrounding transaction after a unique violation (SQLSTATE 25P02) and how a savepoint or separate statement avoids it; and how the losing request returns the canonical existing session instead of HTTP 500. Question 3 — Load Test Fails: Pool Exhaustion or Host Contention? A 50-user load test on a NestJS/Prisma API (2 shared vCPUs, pool of 20) served most requests but had repeated 20–30 second stalls. During stalls: pool at 20/20; several sessions idle in transaction holding session row locks; others failing with lock timeout (55P03); clients timing out at 18 s. PostgreSQL used about 14% of one core. Host metrics show CPU steal of 21–33% during each stall. Steady state is about 0.075 CPU-seconds per request. Your answer must cover: the causal chain from steal to idle-in-transaction to lock timeouts; why raising the pool to 40 would likely worsen it; what you would measure to prove steal is the trigger rather than slow queries; what code changes reduce exposure (statements per request, transaction scope, work after response); what idle_in_transaction_session_timeout and lock_timeout settings you would use and their risks; and when changing to dedicated CPU is the correct fix versus covering poor code. Question 4 — External Provider Call Inside a Transaction, With Unknown Outcome A worker begins a transaction, selects an evidence record FOR UPDATE, marks it processing, calls an external storage provider (up to 10 s), marks it complete, and commits. Sometimes the provider succeeds but the HTTP connection drops before the response arrives. Your answer must cover: what is wrong with this design under load; a redesign where no transaction is held across the provider call while still preventing two workers processing the same object (claim/lease with expiry); the state machine including an UNKNOWN state; the idempotency key and local operation record; how reconciliation queries the provider; and what you do when the provider offers no idempotency or lookup API. Question 5 — Unsafe Automatic Retry An endpoint inserts and commits an audit record, sends an SMS through an external provider, then runs a second database operation that fails with a serialization failure. A global Prisma extension classifies 40001, 40P01, P2024 (pool timeout) and P1001 (cannot reach database) as retryable and re-runs the entire interactive-transaction callback, which contains the SMS call. Separately, a connection drops after COMMIT was sent but before the acknowledgement arrived. Your answer must cover: exactly what each retry can duplicate; which of those four errors are safe to retry at the statement, transaction, or request level and why; how to handle the commit-acknowledgement-lost case; and a safe retry and idempotency design that separates database retries from externally visible side effects. Question 6 — Job Claiming, Crash Recovery, and Zombie Workers Ten workers claim jobs from a jobs table. A worker can crash after claiming, or be paused by the hypervisor for 30 seconds and then resume after its lease has expired and another worker has re-claimed the job. Your answer must cover: the claim query (FOR UPDATE SKIP LOCKED vs advisory locks vs a state-transition UPDATE … RETURNING) and why; lease expiry and recovery; how a fencing token or attempt counter stops the resumed zombie worker from overwriting the new owner’s result; and how you would test the paused-worker case deterministically. Question 7 — Reproduce a Race Deterministically Transaction A reads an authorization record, pauses, Transaction B revokes it and commits, then A returns protected data based on its earlier read. Your answer must cover: how you build a PostgreSQL integration test that hits this interleaving every time without sleep calls: separate connections or clients, the barrier or hook mechanism (for example advisory locks or injected test hooks), commit order, the assertion that proves the fix, and how you show the same test failing against the previous commit. Question 8 — Deadlocks, Including the Hidden Foreign-Key Lock Transaction A updates users then safety_sessions; Transaction B updates safety_sessions then users. After lock ordering is fixed, deadlocks still occur occasionally. Investigation shows concurrent INSERTs into recording_events, which has a foreign key to safety_sessions, while another transaction updates the parent safety_sessions row. Your answer must cover: the original deadlock cycle; which row-lock mode a child INSERT takes on the parent row; which parent UPDATEs conflict with it and which do not (FOR UPDATE vs FOR NO KEY UPDATE); how you confirm the cycle from PostgreSQL logs and pg_locks; how you reproduce it in a test; and whether automatic deadlock retries are an acceptable remediation. Question 9 — Authorization Bound to Mutable Identity Contact access is granted when contact_email matches the authenticated user’s email. The service captures the email, performs a cache lookup, and later compares against the captured value. Meanwhile the user changes their account email, and separately an access token issued before a password reset is still being accepted. Your answer must cover: both vulnerabilities; how the final authorization decision uses current committed identity (stable ID rather than email); and how you would invalidate older tokens (for example a session epoch or token version checked at decision time) without a database hit storm. Question 10 — Optimistic Version Guard A compliance acknowledgement row has version = 7. Two requests try to modify it based on version 7. Only one may succeed. Your answer must cover: the SQL and Prisma mutation that puts the expected version in the update predicate; why UPDATE-then-reread has a larger race window; how you tell “not found” from “stale” when updateMany returns count 0; and what HTTP response and client behavior should follow. Question 11 — CI Says Green but the PostgreSQL Tests Did Not Run During a merge-conflict resolution, a workflow’s YAML is damaged so that one step has no run: or uses:, and another step’s commands are attached to the wrong step. In a separate PR a test file is renamed and no longer matches the Jest test pattern. In a third, a path filter causes a required job to be skipped, and the branch protection treats skipped as passing. Your answer must cover: what controls catch each case before merge (actionlint, required check names, test-count assertions, JUnit reports); how you prove that each named PostgreSQL test actually executed; and how you configure required checks so a skipped job cannot satisfy a gate. Question 12 — PostgreSQL Test Isolation in Parallel CI Three integration suites modify users, safety_sessions, and compliance tables. Each passes alone but fails intermittently when run in parallel. Your answer must cover: how you decide whether this is a real application concurrency defect or test contamination; a disposable-database or schema-per-worker design; and how migrations, seeds, cleanup, connection strings, Jest workers, and parallel jobs are managed. Question 13 — Zero-Downtime Migration on a Large, Hot Table You must add a NOT NULL column with a foreign key and a unique index to a 20-million-row table that receives constant writes. Older mobile app versions that do not send the new field will remain in use for months. The migration tool wraps migrations in a transaction by default. Your answer must cover: the expand/contract sequence; why CREATE INDEX CONCURRENTLY cannot run in a transaction and how you handle that with the migration tool; what you do with an INVALID index after a failed concurrent build; NOT VALID plus VALIDATE CONSTRAINT; setting lock_timeout on DDL; backfill batching; and how old clients keep working. Question 14 — Durable Record Before Any Irreversible Action When a user triggers an emergency action, the system must notify contacts, may call an external dispatch provider, and may start a recording. The rule is that no irreversible external action may occur before a durable record of the triggering event is committed. Your answer must cover: the ordering across mobile client → API → database → providers; what happens if the record write fails or times out; how you guarantee the notification is still sent exactly once (outbox, idempotency); what happens if the phone is offline; and the test that proves no provider call can occur before the commit. Question 15 — Background Recording Uploads From a Mobile App A React Native/Expo app records in the background and uploads chunks. The OS kills the app, the network drops repeatedly, and chunks arrive late, duplicated, and out of order. Some chunks never arrive. Your answer must cover: the server-side design (sequence numbers, idempotent chunk writes, finalize step, gap detection, retention of partial recordings); what iOS and Android background limits mean for the client; how the backend tells “still uploading” from “abandoned”; and how you test it. Question 16 — OTA Updates and the Backend Contract An over-the-air update changes the request body for a compliance endpoint. Some devices are still on the old binary and runtime version and cannot receive the update. A backend deploy is scheduled the same day. One week later the OTA must be rolled back. Your answer must cover: deploy ordering; how the backend serves both request shapes safely; how runtime versions limit which clients receive which update; how you roll back without breaking clients that already sent the new shape; and what must never be changed by OTA alone. Question 17 — Consent Flow With a Payment Hold A guardian-consent flow places a small Stripe authorization hold (manual capture) for verification. In testing, the completion endpoint returned 400, consent was not recorded, and the hold was never released. Webhooks can arrive late, twice, or out of order. Your answer must cover: the state machine across consent, PaymentIntent, and webhooks; how you ensure consent is never recorded without successful verification and no hold is ever left orphaned (cancel/release, a sweeper, reconciliation); webhook event deduplication; and how you would debug the 400 from logs and Stripe test-mode data. Question 18 — Tracing: Late Child Spans and Invisible Worker Jobs In Sentry, each write request produces one HTTP transaction plus about 35 extra “Backend transaction” events. They share the request’s trace ID and start 20–100 ms after the response was sent. The maintenance worker produces no transactions at all; its only output is a client report of spans discarded with reason no_parent_span. Your answer must cover: why post-response work becomes separate transactions when its parent was already exported; why job database work produces no spans when no span is active; the fix for each (for example, a root span around post-response work and around each job run, with fixed, allowlisted names); and the cost and sampling effect of leaving it as is. Question 19 — Live Debugging Exercise Production symptom: a safety walk session remains active after a phone-call interruption, but the required recording generation does not restart. The UI still reports an active session. You have backend logs, mobile logs, PostgreSQL state, Sentry, and PR history. Your answer must cover: the actual investigation procedure: which session and recording-generation identifiers you trace; which state transitions you compare before and after the interruption; how you decide whether the failure is in the mobile client, backend, database, lifecycle recovery, or state sync; what evidence you collect before changing code; and what automated regression test you require before closing it. “Check the logs” is not an answer. Question 20 — Mobile Client State Out of Sync With the Server A React Native/Expo app shows an active safety session. The app is backgrounded, the server ends the session (timeout or another device), and the phone loses network for several minutes. When the app returns to the foreground it still shows the session as active, keeps sending location, and a queued offline action later tries to restart the ended session. Your answer must cover: where the client’s source of truth should live; how the app reconciles on foreground and reconnect (server state version, AppState handling, push or polling); how queued offline actions are validated against current server state so an ended session cannot be revived; what the backend must reject; and how you would test this on real iOS and Android devices, not only a simulator. Question 21 — Next.js: One User’s Data Served to Another After a Next.js upgrade, a signed-in dashboard page occasionally shows another user’s name and contacts. The page fetches user data in a server component using a session cookie. A CDN/nginx layer sits in front of the app. Your answer must cover: every layer that could cache the response (framework data cache, full-route cache, fetch caching defaults, CDN/nginx); how you would prove which layer leaked the data; the correct fix (dynamic rendering, no-store, cache headers, Vary/Cache-Control on authenticated routes); how middleware and cookies interact with static rendering; and the test or check that prevents this after the next upgrade. Question 22 — Startup, Launch, and Commitment This question is weighted as heavily as the technical ones. Your answer must cover: (a) a mobile app you personally helped launch to production: the app or store link if public, your exact role, the backend stack, and the worst production incident in the first 30 days and how you resolved it; (b) a startup you worked at: team size, what you owned, and one decision you made under time pressure that you would make differently now; (c) how you would prioritize if the launch date, a failing load test, and a Lead Engineer request all conflict in the same weekend; (d) confirmation that you can work weekends during launch windows and that you are seeking a long-term engagement. Question 23 — Payments, Tax, and Accounting Stay in Sync A customer is charged through Stripe with tax calculated by Avalara, and the payment is synced to QuickBooks. Later the customer gets a partial refund. The refund webhook is delivered twice and out of order with a dispute event, the QuickBooks sync job times out after QuickBooks accepted the entry, and the internal ledger now disagrees with Stripe. Your answer must cover: the source of truth for each record; how the refund and dispute are applied exactly once (event IDs, idempotency keys, state machine); how the tax on the refund is handled in Avalara; how you prevent a duplicate QuickBooks entry after the timeout; a daily reconciliation design that detects and repairs drift between Stripe, Avalara, QuickBooks, and the ledger; and how you protect the API keys and credentials for all three services. Question 24 — Vision and Delayed Compensation We are a startup with limited funds. Are you willing to do what it takes to get us through pre-beta, beta, and official launch, even though the budget is two milestones of $900 each, the work will take more hours than that, weekends are required, and compensation during that period may not match the work you will do, knowing the long-term benefit comes once we begin charging for the service at official launch and build revenue after it? Your answer must cover: (a) a direct yes or no; (b) why this vision matters to you; (c) a real example where you invested time and effort in something before it paid off; (d) why you would be a game changer for us, not just another contractor; (e) what you need at minimum to stay committed through official launch; and (f) what would cause you to leave, and how much notice you would give. Question 25 — Your Launch Execution Approach You join with the platform close to pre-beta. Internal testers are waiting, the last load test showed stalls, some compliance and payment flows still have open defects, and the team is small. Outline how you would take us through pre-beta, beta (public, free), and official launch (paid). Your answer must cover: for each phase, the readiness criteria, the go / no-go criteria, and the top three risks; what you would do in your first two weeks; how you would run bug triage and resolution with testers; how you would make sure the platform has the capacity to grow; how you would lead the team and divide work with the Lead Developer; and an example of a launch you led, what went wrong, and how you handled it. 13. WHAT HAPPENS AFTER WAVE 1 - Wave 2 and later waves — written follow-up. Deeper questions based on your earlier answers, plus a short code-reading exercise on a sanitized snippet. - A short, scoped trial task may follow before a long-term engagement begins. Each wave builds on the previous one. Applicants who copied answers or relied on AI without understanding will not get through the later waves. 14. TECHNICAL SCREENING EVALUATION Answers are not graded on terminology. Candidates are evaluated on whether they reason correctly through system behavior: identifying specific race windows, describing transaction boundaries, writing or accurately describing the SQL, explaining PostgreSQL locking semantics, recognizing unsafe retries, understanding idempotency across database and provider boundaries, building deterministic concurrency tests, diagnosing pool saturation and host contention rather than simply increasing capacity, distinguishing test contamination from real defects, designing safe migrations, understanding mobile client constraints, reasoning about CI execution rather than CI status, and identifying the evidence required to prove a correction. Perfectly compilable code is not required at this stage, but each answer must be detailed enough for a senior engineer to determine whether the candidate has actually worked on these systems. 15. HIGH-WEIGHT QUESTIONS Questions 1, 2, 3, 4, 5, 6, 8, 13, 14, 19, 20, 21, 22, 23, 24, and 25 receive the greatest weight. A candidate who cannot reason clearly through several of these will not move forward, even with strong general backend experience. Question 19 receives particularly high weight because it tests whether the candidate can methodically investigate a real multi-layer failure alongside the Lead Engineer. Questions 22, 23, 24, and 25 receive high weight because leadership and execution ability, startup and mobile launch experience, long-term commitment, payments and security depth, and willingness to accept delayed compensation are required, not preferred. 16. AUTOMATIC REJECTION INDICATORS An application will not advance if: - any of the 25 questions is unanswered, or the proposal does not begin with “Root cause first.”; - several answers consist mainly of statements such as: use a transaction, add retries, use Redis, increase the connection pool, upgrade the server, use a mutex, add a unique key, run more tests, check the logs, use a queue, or CodeRabbit will catch it; - answers read as generated text without the applicant’s own reasoning, examples, or specifics; - the applicant has no startup experience, has not been involved in a mobile app launch, or cannot commit to weekends and a long-term engagement; - the applicant is looking for immediate financial reward rather than working toward the vision through official launch; - the applicant is strong in only one layer of the stack and cannot take on complex frontend and mobile work as well as backend work; - the applicant cannot handle Stripe, Avalara, QuickBooks, platform financial management, and security; - the applicant does not accept that the work will take more hours than the two-milestone budget covers; - the applicant cannot show launch leadership and execution ability, or cannot produce a credible plan for pre-beta, beta, and official launch. Any of those mechanisms may be part of a valid solution, but they are not sufficient without explaining what state is protected, the transaction boundary, the race being eliminated, database guarantees, failure conditions, partial-success behavior, recovery behavior, and how the candidate would prove the solution works. 17. PREFERRED CANDIDATE PROFILE The preferred candidate is not simply someone who writes clean code. We are looking for a full-stack engineer who has been through startup launches, sees the vision, is willing to accept delayed compensation to get us to official launch, can work next to the Lead Engineer, and can independently own difficult technical remediation: receiving a difficult backend, frontend, or mobile finding → reproducing it → identifying the root cause → discussing the solution with the Lead Engineer → implementing the correction → testing the actual failure condition → surviving automated and human review → providing evidence → handing the work back cleanly. The selected engineer should reduce the technical burden on the Lead Engineer rather than create additional supervision requirements, and should be someone we want to keep building with long after launch. 18. FINAL ACCEPTANCE PRINCIPLE The purpose of this engagement is not to increase the number of pull requests merged. The purpose is to make the platform reliable enough to launch and scale, and to reduce the probability that the same classes of defects return. Successful performance will be evaluated on: correct root-cause analysis + disciplined implementation + real regression protection + valid CI evidence + sound PostgreSQL/concurrency engineering + measured performance work + productive collaboration with the Lead Engineer + technically defensible closeout.

Стартап в США разрабатывает мобильное приложение и находится на этапе от пред-бета до официального запуска. Требуется senior full-stack инженер, способный стабилизировать backend, решить проблемы concurrency в базе данных, обеспечить производительность, безопасность, надёжность CI/CD и предотвращать регрессии. Engineer будет разрабатывать планы для трёх фаз (pre‑beta, beta, launch), вести команду совместно с Lead Engineer и выполнять hands‑on‑work. Ставка фиксированного бюджета — два milestone по $900 (итого $1800) на 3‑6 месяцев, при этом ожидается работа в выходные. Требуется начать предложение фразой "Root cause first".

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$108,889.60 spentUSA

Posted 5 days ago  •  Proposals: 10 to 15  •  Поиск: AI Agent  •  опубликована 03.11.2026, 06:24

Навыки 20 · Бюджет 40 · Клиент 60 · Ясность 75 · Конкуренция 80

Fixed $1,000 - Intermediate - Est. Time: 1 to 3 months - рейтинг 5.0 (1 отзыв) · найм 33%

Vendee Labs (Jersey) Limited builds VendeeX, a private AI shopping assistant that searches online stores for the buyer and ranks products on merit. Commission never influences ranking. We’re connecting VendeeX to the major affiliate networks and need a specialist to set up our publisher accounts, apply to target advertiser programmes, and obtain/document exactly how our software integrates with each. Focus networks CJ (Commission Junction) Awin (including ShareASale) Rakuten Target vertical advertisers Travel: Booking.com, Trip.com, Expedia and other major travel brands, whether through CJ, Awin or their own partner programmes. Retail: the merchants and marketplaces on our target list, including Zalando, Etsy, Alibaba.com, and major EU marketplaces such as Allegro, Bol, Otto and Cdiscount. The full list is shared after hire. Priority geographies: UK and EU first, then Asia (including China cross-border and Southeast Asia), then the US. Scope of work Publisher accounts. Prepare and submit our CJ and Awin publisher applications in Vendee Labs’ name, and follow them through to approval. Vendee Labs reviews and accepts every agreement; you don’t sign on our behalf. Advertiser programme applications. Apply to each target advertiser’s programme on CJ and Awin, track approvals and rejections, and note any conditions attached. Integration specification for each network: authentication: tokens and IDs required, how to obtain them; product feeds: format, access method, update frequency, coverage; APIs: endpoints, rate limits, sandbox availability; deep-link generation for links created programmatically per product; conversion tracking and attribution, especially server-side click-ID support; any MCP server or agent-specific interface offered. Per-advertiser notes: commission rate, cookie or click window, payout and validation period, geographic restrictions, and, importantly, the advertiser’s terms on automated or AI-agent traffic. Tracker updates. Record status, findings and next actions in our network tracker spreadsheet. Deliverables Approved CJ and Awin publisher accounts, owned by Vendee Labs, with all credentials handed over. An integration specification document for CJ and for Awin, for our developers. A per-advertiser summary table covering terms, feeds, geography and agent-traffic rules. An updated tracker spreadsheet. What we’re looking for Hands-on experience setting up publisher accounts on CJ and Awin, and other affiliate marketing platforms, with approved programmes to show for it. Technical understanding of affiliate APIs, product feeds and server-side tracking. Developer experience is a strong plus. Experience with travel affiliate programmes is a plus. Clear written English and well-organised documentation. Willingness to sign an NDA. Budget and timing Fixed price, or hourly with a cap. Cost-effective proposals preferred. We expect around [2 to 4] weeks; network approval times may extend the elapsed time. To apply, please send: CJ and Awin publisher setups you’ve done, and which advertiser programmes you got approved. Any travel affiliate experience. A short example of technical integration documentation you’ve written. Your price and timeline. Start your proposal with the word “Deeplink”.

Вакансия «Affiliate integration specialist: set up publisher accounts and integration for an AI shopping app» на Upwork от Vendee Labs (Jersey) Limited. Vendee Labs разрабатывает VendeeX — private AI shopping assistant, который ищет товары в онлайн-магазинах и ранжирует их по merit. Компания подключает VendeeX к major affiliate-сетям (CJ, Awin/ShareASale, Rakuten) и нудит специалиста по настройке publisher-аккаунтов, подаче заявок на advertiser-программы и сбору документации по интеграциям. Сфокусированы вертикали Travel (Booking.com, Trip.com, Expedia) и Retail (Zalando, Etsy, Alibaba.com, Allegro, Bol, Otto, Cdiscount). Приоритетные регионы: UK и EU, затем Asia (включая China cross-border и SEA), затем US. Объем: 1–3 месяца, Fixed-contract, бюджет $1000. Требуется Intermediate опыт. Клиент VERIFIED, потратил $687.5 на 1 hire за 3 поставленных вакансий, 5 отзывов. Откликов — 11 человек. Screening-вопросов нет.

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$687.50 spentJEY

Posted 16 days ago  •  Proposals: Less than 5  •  Поиск: AI Agent  •  опубликована 22.10.2026, 19:24

Навыки 10 · Бюджет 20 · Клиент 60 · Ясность 10 · Конкуренция 80

Hourly - Intermediate - Est. Time: Less than 1 month - рейтинг нет отзывов · найм 0%

Do you work with Shopify Collabs & other influencers? Tks Ted

Клиент из США ищет специалиста для работы с Shopify Collabs и другими инфлюенсерами. Продукт представляет собой платформу для управления инфлюенсерскими коллаборациями, однако в описании нет деталей о текущем состоянии продукта, конкретных задачах или ожидаемых результатах. Необходимы навыки работы с Shopify, исследование цен, логистическое управление и поддержка бизнес‑операций, а также опыт в административной поддержке и построении команд. Ожидаемый формат – почасовая оплата, проект длится менее месяца, фиксированный бюджет не указан. В отклике клиент, скорее всего, запросит примеры работы с Shopify Collabs и подтверждение опыта в управлении инфлюенсерскими проектами.

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Новый клиент (0 трат)USA

Posted 2 days ago  •  Proposals: Less than 5  •  Поиск: AI Agent  •  опубликована 05.11.2026, 20:00

Навыки 15 · Бюджет 0 · Клиент 85 · Ясность 90 · Конкуренция 100

Hourly - Intermediate - Est. Time: 1 to 3 months - рейтинг 5.0 (9 отзывов) · найм 82%

We build autonomous AI agents that run outbound for our customers. We’re looking for a Product Manager to build and improve this product so it delivers results for them: replies first, then booked meetings. This is a product role, not a sales role. You will: - Create and own the roadmap across parallel streams and grow it into a multi-customer product - Curate strategic summaries from our PM agents and improve them with our engineers - Represent the product to stakeholders and customers - Implement the product features with our engineers (no development, but familiar with Claude, chat GPT etc - possibility to analyze data, see what APIs provide and how to use that to improve the Product features) You are: - A Product Manager exactly (not a Project Manager and not a Team Lead) - Extremely organized. You bring a clear roadmap, tasks and knowledge base, with everything planned. This is critical. - Up to date on outreach tools, deliverability and platform rules. Specialist in tools like Apollo, Sales Navigator etc. - A clear communicator and hands-on, not only a planner, take responsibility for results.

Клиент из Германии ищет консультанта по продуктовому менеджменту для платформы автономных AI-агентов, которая осуществляет исходящие контакты и обеспечивает ответы и запись встреч. Требуется разработать и развить продукт: создать дорожную карту по параллельным направлениям, превратить её в многоцелевой продукт, курировать стратегические сводки от PM-агентов, улучшать их вместе с инженерами, представлять продукт заинтересованным сторонам и клиентам. Необходимо внедрять функции продукта совместно с инженерами, анализировать данные и API для улучшения характеристик. Работа носит почасовой характер, срок выполнения — от 1 до 3 месяцев, бюджет не указан. В отклике нужно предоставить портфолио и информацию о предыдущем опыте продуктового управления.

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$11,119.49 spentDEU

Posted 3 days ago  •  Proposals: 5 to 10  •  Поиск: automation workflow  •  опубликована 04.11.2026, 19:45

Навыки 30 · Бюджет 20 · Клиент 20 · Ясность 90 · Конкуренция 60

Hourly - Intermediate - Est. Time: Less than 1 month - рейтинг нет отзывов

Dubsado Specialist Needed – Custom Bridal Hair & Makeup Proposal Setup I am looking for an experienced Dubsado specialist to help set up and customize my Dubsado account for my bridal hair and makeup business. Potential more work to help with work flow in the future. I am hoping to create a polished, professional, and interactive custom proposal that I can send to each potential client after they inquire through my website. I already have the content, pricing, service descriptions, and photos ready. Where I need help is bringing everything together and making sure the proposal flows seamlessly and functions correctly. What I am looking to accomplish: - Create a beautiful, branded proposal that reflects my business. - Organize services and pricing in an easy-to-follow format. - Incorporate dropdown menus and selectable options for clients. - Allow clients to select the services they are interested in. - Create optional add-ons that clients can choose to include. - Set up pricing to adjust based on the services and add-ons selected, if supported by Dubsado. - Make the proposal user-friendly and easy for clients to navigate. - Ensure everything is connected and functioning properly within my existing Dubsado workflow. Ideally, I would love for a potential client to receive their proposal, explore the different service options, select what they are interested in, and have their selections reflected in their customized quote. When applying, please let me know: 1. Your experience building custom proposals in Dubsado. 2. Whether you have experience with interactive proposals, dropdowns, and conditional add-ons. 3. How long you anticipate this project taking. 4. Your estimated project cost. I would love to find someone who can take the information I have already prepared and turn it into a streamlined, professional client experience!

Клиент ищет опытного специалиста по Dubsado для настройки кастомных предложений по причёскам и макияжу для невест. Нужно объединить готовый контент, цены, описания услуг и фотографии в брендированное интерактивное предложение с выпадающими меню, опциональными добавками и динамической ценой, интегрированное в существующий рабочий процесс Dubsado. Проект включает создание красивого, брендированного предложения, организацию услуг и цен в понятном формате, добавление выпадающих списков и условных добавок, настройку автоматического пересчёта цены в зависимости от выбранных опций, обеспечение плавного пользовательского опыта. Срок выполнения — менее месяца, оплата почасовая (ставка не указана). В отклике просьба указать опыт работы с Dubsado, интерактивными предложениями, dropdowns и условными добавками, предполимое время выполнения и сметную стоимость.

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Новый клиент (0 трат)United States

Posted 23 hours ago  •  Proposals: Less than 5  •  Поиск: Supabase Next.js  •  опубликована 07.11.2026, 14:57

Навыки 60 · Бюджет 10 · Клиент 50 · Ясность 80 · Конкуренция 90

Fixed $100 - рейтинг 5.0 (4 отзыва) · найм 200%

We are looking for a skilled Full-Stack Developer to help us develop and improve an AI-powered SaaS platform. Our goal is to build an intelligent web application that allows users to upload documents, interact with AI, generate reports, and receive personalized recommendations. We already have an existing application, and we need a developer who can integrate AI capabilities into our current system without disrupting the existing functionality. Scope of Work Frontend Development - Develop modern interfaces using Next.js and React. - Build interactive dashboards and reusable components. - Implement file upload functionality. - Create real-time AI chat interfaces. - Integrate frontend components with backend APIs. Backend Development - Develop backend services using Node.js or Python FastAPI. - Design and implement REST APIs. - Connect the application to PostgreSQL. - Implement user authentication and authorization. - Handle document processing and file storage. AI Integration - Integrate OpenAI or Anthropic APIs. - Implement AI-powered chat functionality. - Build document summarization features. - Implement structured AI responses. - Handle prompt engineering and context management. - Implement error handling and API usage monitoring. - Explore embeddings and semantic search where necessary. Required Skills - React.js and Next.js. - TypeScript and JavaScript. - Node.js or Python FastAPI. - PostgreSQL. - REST API development. - OpenAI API or Anthropic API. - Git and GitHub. Preferred Skills - LangChain or LlamaIndex. - Vector databases and pgvector. - Supabase. - Docker. - Cloud deployment. - Experience building AI-powered applications. Deliverables 1. Fully functional AI-powered dashboard. 2. Integrated AI chat functionality. 3. Document processing and summarization. 4. Backend APIs and database integration. 5. Proper error handling and logging. 6. Deployment and technical documentation.

Нужно доработать существующую AI-SaaS платформу: пользователи загружают документы, общаются с ИИ, получают отчёты и персональные рекомендации; приложение уже работает, AI-функции нужно встроить, не ломая текущую функциональность. Фронтенд — дашборды и переиспользуемые компоненты на Next.js/React, загрузка файлов, чат-интерфейсы в реальном времени и интеграция с API. Бэкенд — сервисы на Node.js или Python FastAPI, REST API, PostgreSQL, аутентификация и авторизация, обработка и хранение документов. Отдельный блок — AI: интеграция OpenAI/Anthropic, чат, суммаризация документов, структурированные ответы, промпт-инжиниринг, контроль ошибок и использования API, при необходимости эмбеддинги и семантический поиск. Результат — работающий AI-дашборд, пайплайн обработки документов, развёрнутое приложение и техническая документация; в стеке также Docker и облачный деплой, из предпочтительных навыков — Supabase, LangChain/LlamaIndex и pgvector.

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$20 spentEthiopia

Posted 12 days ago  •  Proposals: Less than 5  •  Поиск: AI Agent  •  опубликована 27.10.2026, 05:04

Навыки 10 · Бюджет 40 · Клиент 90 · Ясность 85 · Конкуренция 80

Hourly - Expert - Est. Time: 1 to 3 months - рейтинг 4.7 (30 отзывов) · найм 56%

David Jones CPA PC is a U.S. company that conducts federal-sector Equal Employment Opportunity (EEO) investigations. We are developing an AI agent to assist with investigation tasks and need authoritative federal agency materials to support its training and reference knowledge. We seek an attorney or experienced legal researcher to locate relevant materials and prepare, submit, and track requests under the U.S. Freedom of Information Act (FOIA). Scope of Work • Search official federal websites and FOIA reading rooms for materials already available to the public. • Identify the appropriate agencies, offices, and records custodians for additional requests. • Draft clear, narrowly tailored FOIA requests for existing records. • Submit requests after our approval, identifying our company as the requester where appropriate, or provide complete submission packages for us to file. • Handle routine agency correspondence, clarification requests, status inquiries, and proposed scope adjustments. • Track requests, acknowledgments, fees, responses, and applicable deadlines. • Organize received documents into a searchable collection with an index identifying the agency, document title, date, source, and subject. Materials We Want to Obtain Examples include: • EEO investigator training manuals, course materials, exercises, and instructor guides. • Investigation plans, claim analysis forms, interview guides, and affidavit templates. • Report of Investigation preparation instructions, sample formats, and binder requirements. • Investigation quality review checklists, acceptance criteria, and common deficiency guidance. • Procedures for evaluating conflicting evidence, identifying missing evidence, and developing relevant testimony. • Guidance addressing discrimination, harassment, hostile work environment, retaliation, and reasonable accommodation investigations. • Investigator performance standards, workload measures, and case activity tracking forms. Potential agencies include EEOC, VA, DHS/CBP, Treasury/IRS, HHS/CDC, and other federal agencies with useful EEO investigation resources. We primarily seek agency guidance, blank forms, training examples, and appropriately redacted sample materials. We are not seeking unauthorized access to confidential case files. Required Qualifications • Attorney or legal researcher with substantial relevant experience. • Strong legal research skills and excellent written U.S. English. • Demonstrated familiarity with U.S. FOIA procedures, or closely related U.S. federal records research. • Ability to draft precise requests that describe identifiable existing records. • Strong organization, follow-through, and document management skills. Experience with U.S. federal-sector EEO investigations, EEOC regulations, or EEOC Management Directive 110 is highly desirable. Initial Paid Assignment Prepare a proposed records acquisition plan and three draft FOIA requests for agencies we select. Identify relevant publicly available materials before recommending requests. Successful completion may lead to ongoing work managing additional requests and organizing the resulting materials. Working Requirements Obtain our approval before submitting requests, accepting agency fees, materially changing request scope, or filing administrative appeals. Accurately describe the project’s business purpose when required. Identify your licensing jurisdiction and any limits on the services you can provide. Court litigation is outside this assignment. Please Include in Your Proposal 1. Your legal qualifications and licensing jurisdiction, if applicable. 2. Your experience with U.S. FOIA requests or federal agency research. 3. A redacted writing sample or sample records request. 4. Your proposed approach to this assignment. 5. Your hourly rate, estimated hours for the initial assignment, and availability. Please distinguish your own work fees from any fees charged by federal agencies.

Клиент – американская CPA‑компания, которая проводит федеральные расследования по вопросам равного обращения и разрабатывает AI‑агент, нуждающийся в достоверных материалах, полученных по запросам по Freedom of Information Act. Ему требуется искать публичные материалы на официальных сайтах, определять нужные агентства и custodians, готовить и отправлять точные FOIA‑запросы, вести переписку с агентствами, отслеживать статусы, сборы и дедлайны, а также систематизировать полученные документы в поисковую коллекцию с индексом. На начальном оплачиваемом задании нужно подготовить план приобретения записей и три образца FOIA‑запросов для выбранных агентств, опираясь на открытые материалы. Работа оценочна 1‑3 месяцами, оплата почасовая, а окончательные результаты – план, три запроса и организованная коллекция. Клиент просит в отклике предложение с описанным планом и тремя черновыми запросами, а также подтверждающим исследование.

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$41,648.65 spentUnited States

Posted 10 days ago  •  Proposals: 10 to 15  •  Поиск: AI Agent  •  опубликована 28.10.2026, 19:04

Навыки 10 · Бюджет 10 · Клиент 60 · Ясность 80 · Конкуренция 60

Fixed $600 - Expert - Est. Time: 3 to 6 months - рейтинг 4.5 (7 отзывов) · найм 48%

Senior Cosmos SDK / Layer‑1 Blockchain Engineer (Nexus AI Foundation) About the Project: We are building , a sovereign Layer‑1 blockchain designed for deterministic AI agent execution, sovereign data capsules, and multi‑agent coordination. We are looking for an elite Cosmos SDK engineer with deep protocol-level experience to architect our core chain and modules. (Note: This is a protocol-level L1 role. Experience with smart contracts/EVM dApps alone is not a match.) Key Responsibilities: Core L1 Chain: Build and configure a sovereign Cosmos SDK chain (staking, governance, bank, genutil, fee modules, fixed supply, custom denom unexus). Custom Modules: Implement the Agent VM, Data Capsule Module, Coordination Mesh, and fee/burn engines with proper genesis states and parameters. Genesis Engineering: Build genesis.json, configure token allocations (founders, team, investors, ecosystem, validators), and set initial parameters. Testnet & Mainnet Launch: Setup validator nodes, keyrings, sentry nodes, and network configuration. Requirements: 3+ years of Cosmos SDK development experience 5+ years of Go (Golang) experience Proven track record of launching sovereign chains Experience writing custom Cosmos modules Deep understanding of Tendermint/CometBFT consensus and genesis engineering Strong background in cryptography and distributed systems Bonus Skills: CosmWasm, IBC, ZK systems

Проект Nexus AI Foundation создаёт суверенный Layer‑1 блокчейн на Cosmos SDK для детерминированного выполнения AI‑агентов, суверенных капсул данных и координации множества агентов. Требуется старший инженер Cosmos SDK для архитектуры основной цепочки и модулей: настройка стейкинга, говернанса, банка, genutil, комиссий, фиксированного предложения и пользовательского денома unexus. Необходимо реализовать кастомные модули Agent VM, Data Capsule Module, Coordination Mesh и движки комиссий/сжигания с правильными генезис‑состояниями. Входит генерация genesis.json, распределение токенов (фаундеры, команда, инвесторы, экосистема, валидаторы) и запуск тестнета/мейннета: настройка валидаторских нод, кейрингов, сентри‑нод и сетевой конфигурации. Срок 3‑6 месяцев, фиксированная цена $600, уровень Expert. Клиент из США, верифицирован, потратил $4201, нанял 24 фрилансера, рейтинг 4.45. Скрининг‑вопросов нет.

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$4,201.09 spentUnited States

Posted 15 days ago  •  Proposals: 5 to 10  •  Поиск: AI Agent  •  опубликована 24.10.2026, 10:46

Навыки 35 · Бюджет 50 · Клиент 70 · Ясность 65 · Конкуренция 80

Fixed $2,500 - Intermediate - Est. Time: 1 to 3 months - рейтинг 5.0 (20 отзывов) · найм 28%

We are building an ad-spy platform for e-commerce sellers: the kind of tool media buyers and dropshippers pay for every month. Users search a library of Meta and TikTok ads, see how long each ad has been running and how fast it grows, open the Shopify store and the product behind it, and get estimated units sold and revenue per product, price history, a daily Top 10 of winning ads and products per market, and image search for the same product across shops. French-speaking market first, then English and Spanish. The design (38 Figma screens), the data model and the brief are finished. WHO WE ARE LOOKING FOR One engineer who has ALREADY collected this kind of data in production and derived numbers from it. You must have done at least two of these yourself, not read about them: - Scraped the Meta Ad Library at scale (your own collector or a published actor): you know how the result cap, the start-date vs delivery-date problem, EU vs non-EU data and blocks actually behave. - Scraped TikTok ads (Creative Center, Commercial Content Library or equivalent) and know what each source gives and does not give. - Crawled Shopify stores and obtained stock levels per variant (products.json does not give them), then turned daily stock changes into units sold and revenue, handling restocks, hidden inventory and failed crawls. - Built any metric no API gives (sales estimates, revenue, ad longevity, spend estimates) and validated it against reality. NOT for generalists. Knowing Next.js, Node and Postgres is the baseline, not the skill. If your experience is full-stack apps, CRUD APIs or UI from Figma, please do not apply: the screens are the easy part and they are already designed. THE WORK (fixed $2,500, 10 weeks, ~40 h/week) 1. Weeks 1-2: schema with append-only daily snapshots, Meta + TikTok ingestion (Apify actors behind our own interface, or your collector), Shopify crawler with stock per variant, S3 media, auth, staging - $500 2. Weeks 3-4: ads library (27 filters, fast on millions of snapshot rows), ad detail, landing-page to product resolution, AI analysis - $600 3. Weeks 5-6: products and shops with sales/revenue estimates, price history, product clustering across shops, daily Top 10 - $600 4. Weeks 7-8: image search (pgvector), suppliers, tracked shops + alerts, AI agent + MCP - $500 5. Weeks 9-10: TikTok UI, Stripe, admin with provider costs and job health, load test with real users, production - $300 Stack: TypeScript/Node, Next.js, PostgreSQL 16 + pgvector, Redis + BullMQ, Docker on a Hetzner VPS. Python-first is fine if you also ship Node. You get the Figma, brief, CLAUDE.md, reference schema, OpenAPI skeleton, seeds, fixtures and acceptance checklists per milestone. HOW WE CHOOSE By what you built and how you answer, not by badges. No Upwork history is fine. A GitHub repo, a published actor or a live product, plus precise answers to the questions below, is what gets you to the next step. Vague or generic answers (the kind an AI writes without having done it) end the conversation. PROCESS: questions -> short written exchange about availability and motivation -> paid 2-hour technical test (crawler + snapshots + sales from inventory) -> contract. Individuals only, no agencies. Start your proposal with the word "inventory" so we know you read this.

Мы разрабатываем платформу для придирк-продавцов: инструмент, за который платятся медийные покупатели и дропшипперы каждый месяц. Пользователи ищут библиотеку объявлений в Meta и TikTok, смотрят, как долго каждое объявление работает и насколько быстро растёт, открывают Shopify-магазин и продукт за ним и получают оценки продаж и дохода на продукт, историю цен, топ-10 по рынку за день и поиск изображений продукта across магазинов. Французский рынок в приоритете, затем английский и испанский. Дизайн (38 экранов Figma), модель данных и бриф готовы. Требуется инженер, который уже собирал подобный контент в production и вычислял числа из него. Потребуется выполнение хотя бы двух из следующих: сборка библиотеки Meta Ad Library масштабно (собратель или опубликованный актор), сборка TikTok-объявлений (Creative Center, Commercial Content Library и т.д.), обход Shopify-магазинов и получение остатков по вариантам (products.json). Ожидается, что кандидат напишет код, который будет собирать данные, обрабатывать их и выводить оценки продаж. Тип контракта — фиксированный, срок 1–3 месяца, бюджет $2500. Клиент VERIFIED, страна PER, общие траты $26 454,12, 37 наймов, 20 отзывов, 5 балловFeedback. На вакансии 10 откликов. Клиент просит прислать резюме с опытом сбора данных в production, конкретными примерами и результатами.

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$26,454.12 spentPER

Posted 16 hours ago  •  Proposals: 10 to 15  •  Поиск: AI Agent  •  опубликована 07.11.2026, 21:56

Навыки 65 · Бюджет 40 · Клиент 30 · Ясность 85 · Конкуренция 90

Hourly - Intermediate - Est. Time: Less than 1 month - рейтинг нет отзывов

I have an existing SaaS application, archidwg.com, that converts architectural drawings into editable DWG files. The application and engine are already developed. DXF-to-DWG and vector PDF-to-DWG work, while scanned PDF conversion needs improvement. I need a developer to: 1. Identify and fix remaining website bugs. 2. Improve the existing scanned PDF conversion engine. 3. Test the full workflow, including uploads, processing, and downloads. 4. Preserve all existing working functionality. Experience with AI coding tools such as Claude Code, Cursor, or Codex is very important. Python, OpenCV, and AutoCAD/DWG knowledge are highly preferred. Budget: $60 fixed price for the complete agreed scope. This is an improvement and debugging project, not a rebuild.

Клиент владелец SaaS‑приложения archidwg.com, которое конвертирует архитектурные чертежи из DXF и PDF в редактируемые DWG‑файлы. Сейчас работает DXF‑to‑DWG и векторный PDF‑to‑DWG, но конверсия сканов PDF требует доработки. Нужно исправить оставшиеся баги сайта, улучшить модуль сканового PDF‑to‑DWG (использовать AI‑инструменты, Python, OpenCV), протестировать весь поток загрузки, обработки и скачивания, при этом сохранить уже работающие функции. Требуется опыт работы с AI‑кодами (Claude Code, Cursor, Codex) и знание Python, OpenCV и AutoCAD/DWG. Проект фиксированной стоимости $60, срок – менее месяца, требуется полная проверка и тестирование. В отклике клиент просит показать примеры предыдущей работы с AI‑инструментами и указать предполагаемое время выполнения.

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Новый клиент (0 трат)Israel

Posted 23 hours ago  •  Proposals: Less than 5  •  Поиск: AI Agent  •  опубликована 07.11.2026, 15:03

Навыки 40 · Бюджет 10 · Клиент 60 · Ясность 30 · Конкуренция 90

Fixed $100 - Entry Level - Est. Time: 1 to 3 months - рейтинг 3.2 (43 отзыва) · найм 39%

looking for someone to teach me or build an AI agent or bot to play games for me on behalf.

Клиент ищет человека, который научит его или сам построит ИИ-агента либо бота, играющего в игры от его имени. Это всё содержание объявления: ни игра, ни платформа, ни механики, ни критерии результата не указаны. Из тегов вакансии следуют Python, разработка ботов и искусственный интеллект. Формат — фиксированные $100, срок по карточке вакансии — 1–3 месяца.

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$5,115.54 spentUnited Kingdom

Posted 7 days ago  •  Proposals: Less than 5  •  Поиск: AI Agent  •  опубликована 31.10.2026, 16:47

Навыки 30 · Бюджет 0 · Клиент 70 · Ясность 10 · Конкуренция 90

Hourly - Intermediate - Est. Time: Less than 1 month - рейтинг 5.0 (1 отзыв) · найм 50%

Hi AE - please create a job posting for buyer as a 'Service Contract". Plz create a job description for our work. Buyer owns all rights to the final product. But at no time does Upwork have anything to do with the work product. In fact, the user agreement specifically states they make no warranty or guarantee whatsoever about a work product being fit for use and that the determination is solely up to the client. george C.

Вакансия оформлена как просьба к менеджеру Upwork создать объявление для покупателя в формате «Service Contract». Описание содержит лишь юридический текст о правах на конечный продукт и отсутствии гарантий со стороны Upwork. В навыках перечислены веб-разработка, ИИ, React, Node.js, Laravel, PHP, API, JavaScript, Python, но конкретных задач, этапов или deliverables нет. Длительность — менее месяца, почасовая оплата, уровень Intermediate; ставка и фиксированный бюджет не указаны. Клиент из США, верифицирован, потратил $8100, нанял 4 фрилансера, один отзыв 5.0. На данный момент 4 отклика, скрининговых вопросов нет.

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$8,100 spentUnited States

Posted 19 days ago  •  Proposals: 10 to 15  •  Поиск: automation workflow  •  опубликована 20.10.2026, 08:50

Навыки 15 · Бюджет 10 · Клиент 90 · Ясность 85 · Конкуренция 60

Hourly - Intermediate - Est. Time: Less than 1 month - рейтинг 4.8 (118 отзывов) · найм 190%

We need a list of US plastic surgery practices that specifically focus on one of these 4 niches: Plastic surgery for high BMI patients (BMI over 35) Ethnic rhinoplasty or ethnic-specific aesthetic work Male-specific aesthetics (male-focused practices, not just a surgeon with a gynecomastia page) Revision and failed-surgery patients A general plastic surgeon who lists these as one of many procedures does not count. Each lead needs a link to the page on their site that proves they focus on that niche. Every lead must have: Named surgeon or practice owner (no managers or marketing staff) That person’s individual email. No info, contact, hello, front desk or any other shared inbox, no exceptions. Private practice only. No hospitals, health systems or universities. US only, no duplicates Email verified with your own tool (NeverBounce, ZeroBounce, MillionVerifier or similar) before delivery Columns: practice name, surgeon name, title, email, website, city/state, niche, proof link. Rate: $0.04 per lead. We review every batch and only pay for leads that meet all of the criteria above. There’s plenty of volume available if the quality holds. In your proposal, tell us: How many leads that meet ALL the criteria you can deliver in 5 days Which verification tool you pay for

Клиент из Пуэрторико ищет список US‑plastic‑surgery практик, специализирующихся на одной из четырёх узких ниш: высокий BMI (BMI>35), этническая ринопластика, мужские эстетические процедуры или ревизионные/неудачные случаи. Требуется собрать до 5 дней список из 4‑5 полей (название практики, имя и титул Chirurga, личный e‑mail Chirurga, сайт, город/штат, узел, ссылка‑доказательство). Каждый лид должен быть проверен собственным инструментом (NeverBounce, ZeroBounce и др.) и соответствовать строгим критериям, включая отсутствие менеджеров, общих ящиков и больничных/университетских практик. Оплата – $0.04 за каждый подтверждённый лид, при этом качество должно удерживаться, иначе платёж не будет произведён.

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$771,380.35 spentPuerto Rico

Posted 6 days ago  •  Proposals: Less than 5  •  Поиск: automation workflow  •  опубликована 02.11.2026, 01:04

Навыки 5 · Бюджет 15 · Клиент 85 · Ясность 90 · Конкуренция 85

Hourly - Intermediate - Est. Time: 1 to 3 months - рейтинг 5.0 (14 отзывов) · найм 156%

Budget: $5–$7 USD per completed reusable product mockup set (please confirm your rate) Project Type: Ongoing freelance work Expected Volume: 5 product sets per week Initial Commitment: 60–90 days, with potential for ongoing work IMPORTANT — PLEASE READ BEFORE APPLYING I am NOT looking for someone to create finished Etsy listing images. I need an experienced Canva mockup template creator who can build fully reusable, drag-and-drop product mockups using functional Canva frames, masks, shadows, overlays, and realistic product photography. The final result must work like the Canva mockup templates sold on Creative Fabrica. I should be able to open the Canva template, drag a completely different design into the designated frame, and have it automatically appear on the product with the correct cropping, positioning, shadows, and realistic appearance. These templates will also be used with AnywherePOD to automate mockup creation for future Printify designs. DO NOT APPLY if you cannot create this type of reusable Canva mockup template. I have already hired freelancers who could create beautiful mockup images but could not build the functional drag-and-drop Canva templates I need. Please do not apply unless you understand the difference. Examples — This Is Exactly the Functionality I Need Please review these Creative Fabrica examples before applying: Designer portfolio: https://www.creativefabrica.com/designer/empavi-mockups/ iPhone Canva mockup templates: https://www.creativefabrica.com/product/iphone-15-pro-max-mockup-canva-templates/ Blanket Canva mockup example 1: https://www.creativefabrica.com/product/blanket-mockup-canva-blanket-template-5/ Blanket Canva mockup example 2: https://www.creativefabrica.com/product/blanket-mockup-canva-blanket-template-4/ Coffee mug Canva mockup: https://www.creativefabrica.com/product/couple-coffee-mug-mockup-canva/ These examples represent the type of editable, reusable Canva mockup functionality I expect. I am not asking you to copy these creators' artwork or templates. I am looking for someone who can independently produce comparable technical functionality and professional quality. About the Project I own Personalized Gifts 4 Her, a growing Etsy print-on-demand gift shop. My products include mugs, candles, journals, phone cases, ornaments, coasters, luggage tags, kindle cases, pillows, blankets, and other personalized gift items. The shop has a refined, modern, feminine aesthetic: quiet luxury, preppy, country-club-inspired, and elevated boutique lifestyle photography. I want to build a master library of reusable Canva mockup templates for each Printify product so that I can use the same templates for dozens or hundreds of different designs. For example, once you create a complete set of 8 reusable Kindle cover mockups, I should be able to use that same set for every new design I launch on that exact Kindle cover. I should NOT have to pay someone to recreate the mockups for every new Etsy listing. Your Responsibilities 1. Create Functional Canva Drag-and-Drop Frames Each mockup must include a properly configured Canva frame that: - Matches the product's actual printable area. - Allows artwork to be replaced simply by dragging and dropping a new design. - Automatically crops artwork to the correct shape. - Maintains accurate positioning and proportions. - Works with different artwork styles and background colors. - Does not require manually rebuilding the scene when artwork changes. A static product photograph with artwork pasted on top is NOT acceptable. 2. Create Realistic Masks, Shadows, and Overlays This is a critical part of the job. Depending on the product, you may need to create: - Custom-shaped frames or masks. - Transparent foreground overlays. - Realistic lighting and shadow layers. - Highlights and reflections. - Product texture overlays. - Correctly masked edges and printable boundaries. - Appropriate artwork transparency. - Perspective adjustments and realistic positioning. For example: Mugs: Artwork must look naturally printed on the mug, with realistic placement and curvature where applicable. Candles: Artwork must sit correctly within the label area, with realistic shadows, highlights, and label boundaries. Blankets: Artwork must follow the visible fabric area and look natural with folds, texture, and shading. Phone cases: Artwork must fit the exact phone case shape, including appropriate cutouts and edges. Ornaments: Artwork must fit within the ornament's printable shape without spilling outside its boundaries. The design should look like it belongs on the physical product, not like a flat graphic pasted over a photograph. 3. Build Templates Compatible With AnywherePOD I use AnywherePOD to create and manage my Printify products. The Canva templates must be suitable for AnywherePOD's custom mockup import workflow. Requirements include: - Functional Canva artwork-replacement frames. - Editable, ungrouped layers. - Correct artwork positioning and cropping. - Documented transparency settings when applicable. - Product-specific sizing and supplier accuracy. - A structure that can be tested with AnywherePOD's Canva import feature. You must be willing to troubleshoot the Canva template if it does not import or replace artwork correctly. I will test the first completed template in AnywherePOD before approving additional work. 4. Create 7–10 Unique Mockup Scenes per Product Each product set should include a selection of the following, depending on the product: 1. Hero image: Bright, attractive, product-focused image suitable for the first Etsy listing photo. 2. Lifestyle image: Product in a realistic, aspirational setting. 3. Close-up: Detailed view of the printable surface or product features. 4. Angled view: Realistic perspective showing product shape and depth. 5. Size/scale reference: Product displayed beside familiar objects or held naturally. 6. Additional product view: Front, back, side, or other relevant angle. 7. Styled flat lay: Beautiful, contemporary arrangement with complementary props. 8. Gift presentation: Product displayed in a thoughtful gifting context. 9. Seasonal lifestyle: Subtle seasonal setting that can be reused across multiple designs. 10. Additional scene: Another useful view appropriate to the product. Not every image needs to show the printed design, but every image containing replaceable artwork must use the required reusable Canva frame system. Styling Guidelines The overall aesthetic should be: - Modern, refined, feminine, and aspirational. - Quiet luxury / preppy / elevated boutique. - Natural, believable lifestyle photography. - Bright, polished, and visually appealing. - Consistent with my shop's brand identity. The product must always be the primary focus. Avoid outdated or overused mockup styling, including decorative beads, jeans, Converse sneakers, excessive plants, cluttered flat lays, or overly staged compositions. AI-Generated Photography Is Welcome AI-assisted lifestyle backgrounds are absolutely fine if the finished results are photorealistic. However: - People must have realistic skin texture and natural features. - Hands and fingers must be anatomically correct. - Products must match the EXACT Printify product. - Lighting, shadows, reflections, and perspective must be believable. - No distorted products, invented features, incorrect proportions, or obvious AI artifacts. Product accuracy is non-negotiable. Products Requiring Mockup Sets I have a master list of approximately 97 products for which I may need reusable Canva mockup sets. The initial products include: - Coasters - Bookmarks - Kindle covers - Hardcover journals - Luggage tags - AirTag cover keychains - Magnetic phone cases - Passport wallets - Trinket trays - Scented candles - Ceramic ornaments - Mugs - Accessory pouches - Jewelry boxes - Cutting boards - Tumblers - Tote bags - Blankets - Pillows - Travel accessories Additional product categories will be assigned as the project progresses. I will provide the specific Printify product link and product specifications for each assignment. Some products may require separate templates for different sizes, colors, or suppliers. What I Will Provide - Direct Printify product links. - Product specifications and available variations. - Sample Canva artwork for testing. - Shop branding, colors, and ideal customer profile. - A list of the required mockup scenes for each product. - Relevant training materials and workflow references. - Feedback and approval on the first completed template. Required Deliverables For each product set, you must deliver: - Approximately 7–10 unique, professionally styled mockup scenes. - A fully editable Canva file containing the mockup templates. - Functional drag-and-drop Canva frames wherever artwork is displayed. - Realistic masking, shadows, and overlays where appropriate. - Ungrouped, editable layers suitable for the intended automation workflow. - Correct product dimensions, shape, and printable area. - Any necessary notes about transparency or special setup. - An organized Canva link that I can duplicate and reuse. Do not deliver flattened PNG/JPG mockups as the final product. PNG or JPG previews may be provided for review, but the required deliverable is the working Canva template. Required Testing Before Delivery Before submitting a product set, test the templates with at least three different designs. I want to see that: - Artwork can be replaced using Canva's drag-and-drop functionality. - Different designs fit the frame correctly. - Cropping and masking work. - Shadows and lighting remain realistic. - Artwork does not extend beyond the printable area. - The template does not require rebuilding when the design changes. - The final product looks professional and realistic. The first paid trial must also pass an AnywherePOD import test before additional product sets are assigned. Ideal Candidate You should have: - Proven experience creating reusable Canva mockup templates. - Experience with Canva frames, masking, shadows, overlays, and layer management. - Experience creating mockups for physical POD products. - A strong understanding of realistic product photography. - The ability to accurately match supplier products and printable areas. - Excellent attention to detail. - Reliable communication and turnaround times. Experience with Printify, AnywherePOD, and AI-assisted lifestyle photography is a strong advantage. Experience making ordinary Etsy listing images alone is NOT sufficient. Budget & Workload My proposed budget is $5–$7 USD per completed reusable Canva product mockup set, not per image and not per Etsy listing. Please confirm whether you can work within this budget or provide your rate for a complete reusable product set. I anticipate assigning approximately 5 product sets per week, depending on complexity, availability, and the quality of the first assignments. The initial project is expected to run for 60–90 days, with the potential for ongoing work. We will begin with one paid technical trial before committing to a larger batch. How to Apply — Read Carefully Begin your proposal with the exact phrase: CREATIVE FAB CANVA This confirms you have read the full job description. Please answer the following questions: 1. Have you personally created functional, reusable Canva mockup templates with drag-and-drop frames, masking, shadows, and overlays? Please provide examples. 2. Have you reviewed the Creative Fabrica examples above? Can you create templates with comparable functionality? 3. Please share a Canva template you created that allows artwork to be replaced using a drag-and-drop frame. A short screen recording demonstrating the replacement process is also acceptable. 4. Which tools do you use to create the mockup photographs, masks, shadow overlays, and Canva frames? 5. Have you worked with Printify products or AnywherePOD? 6. What is your price for one complete reusable Canva product mockup set containing approximately 7–10 scenes? 7. What is your estimated turnaround time, and how many product sets could you complete weekly? Applications that only include examples of flattened Etsy mockup images, without demonstrating reusable Canva template functionality, will not be considered. I am looking for someone who already knows how to do this work, not someone who intends to learn how to build functional Canva mockups after being hired. The goal is to build a professional, reusable mockup library that I can use to automate my Etsy product listings for years to come.

Клиент из Канады ищет дизайнера для создания многоразовых шаблонов макетов в Canva с функцией drag-and-drop для Printify POD. Нужно производить 5 наборов шаблонов в неделю в течение 60–90 дней с возможностью продолжения. Каждый набор должен содержать функциональные фреймы, маски, тени и наложения, чтобы дизайн автоматически вписывался в продукт с правильной обрезкой и реалистичным видом — как шаблоны на Creative Fabrica. Шаблоны также будут использоваться с AnywherePOD для автоматизации. Оплата $5–7 за готовый набор (подтвердить ставку), ожидаемый объём ~$25–35 в неделю. В отклике нужно подтвердить ставку и показать умение создавать именно функциональные drag-and-drop шаблоны, а не просто красивые картинки.

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$26,926.29 spentCAN

Posted 2 days ago  •  Proposals: Less than 5  •  Поиск: AI Agent  •  опубликована 05.11.2026, 15:13

Навыки 20 · Бюджет 0 · Клиент 20 · Ясность 40 · Конкуренция 75

Hourly - Intermediate - Est. Time: Less than 1 month - рейтинг нет отзывов · найм 0%

Hola Haider, qué tal? Soy Juan, de Neo Studio, una agencia de marketing e IA en España. Trabajamos con inmobiliarias pequeñas, de 1 a 5 agentes, y busco a alguien que gestione sus campañas de Meta Ads para captar propietarios que quieren vender su vivienda. No busco campañas de compradores. Voy a empezar a tener un volumen de entre 1 a 3 inmobiliarias interesadas al día, asi que busco un parther de confianza para un proyecto a largo plazo.

Вакансия «MediA Buyer - Captar propietarios» от испанской агенции Neo Studio (Juan) — по сути это почасовая работа по управлению Meta-кампаниями для привлечения собственников жилья к продаже. Клиент нацелен на 1–3 риэлторских агентств в день и ищет партнёра для долгосрочного проекта. Задачи: настройка и управление рекламными кампаниями Meta Ads (только для продавцов, не покупателей), ведение воронки leads, отчётность по результатам. Требования: навыки работы с данными, маркетинговая автоматизация, Real Estate, Sales, Marketing Campaign Setup & Implementation. Ставка не указана (null), applicantsNow — 4 человека. Клиент: Испания, 1 вакансия, 0 отзывов, 0 потраченных долларов, 0 наймов, статус оплаты не подтверждён. Объём ясен: почасовая работа по Meta Ads для риэлторов, но ставка не указана — это существенный пробел.

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Новый клиент (0 трат)Spain

Posted 23 hours ago  •  Proposals: Less than 5  •  Поиск: automation workflow  •  опубликована 07.11.2026, 15:03

Навыки 10 · Бюджет 0 · Клиент 90 · Ясность 70 · Конкуренция 100

Fixed $10 - Entry Level - Est. Time: Less than 1 month - рейтинг 5.0 (418 отзывов) · найм 98%

We are looking for a reliable and detail-oriented Virtual Assistant with experience in GoHighLevel, Make, and Zapier to support our business operations. *Responsibilities:* - Manage and organize GoHighLevel CRM contacts. - Set up and maintain automated workflows and follow-ups. - Connect business applications using Make and Zapier. - Manage appointment reminders and calendar updates. - Monitor automations and troubleshoot basic issues. - Provide general administrative and CRM support. *Requirements:* - Familiarity with GoHighLevel, Make, and Zapier. - Good organizational and communication skills. - Strong attention to detail. - Ability to follow instructions and work independently. We are looking for someone dependable who can help improve daily operations through effective automation and administrative support.

Нужен виртуальный ассистент для поддержки и автоматизации процессов в CRM GoHighLevel. Задачи: вести и организовывать контакты в CRM, настраивать и поддерживать автоматические воронки и сценарии, связывать приложения через Make и Zapier, управлять напоминаниями о встречах, мониторить автоматизации и разбирать сбои, а также оказывать общую административную поддержку CRM. Требования — опыт работы с GoHighLevel, Make и Zapier, организованность, внимание к деталям и способность следовать инструкциям и работать самостоятельно. Формат — фиксированные $10 за проект.

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$5,033.04 spentNigeria

Posted 9 days ago  •  Proposals: Less than 5  •  Поиск: AI Agent  •  опубликована 30.10.2026, 05:48

Навыки 0 · Бюджет 0 · Клиент 80 · Ясность 90 · Конкуренция 90

Hourly - Intermediate - Est. Time: Less than 1 month - рейтинг 4.8 (38 отзывов) · найм 100%

We're a small software company that makes an AI agent for small businesses. We run video ads on Facebook and Instagram, and we're looking for a professional-looking man, 35-50, to record 4 short scripts for us, no editing needed! WHAT YOU'D DO - We send you 4 short scripts, about 20 seconds each. You'll be playing a small business owner (a lawyer, contractor) talking about how they handle calls from customers. - Most scripts have 2 different opening lines. You film each opening, then the rest of the script once. - Say it to the camera the way a real owner would talk to another owner. Casual and believable, not a polished presenter or salesperson. - Film in front of a green screen if you have one. If not, a plain wall or a real office works too. - Send us the raw files. We handle all the editing. TECHNICAL REQUIREMENTS - Vertical (9:16), 1080p or higher. 4K is a plus. - Clean audio. A good mic is preferred but a recent phone is OK. - Good light on your face (a window or a ring light is fine). WHO WE'RE LOOKING FOR - Man, 35-50 - Based in the US, Canada or UK - You look and sound like someone who runs a business - Comfortable on camera, can deliver a script without sounding like you're reading it - Reliable, and can deliver on the date we agree on The videos will run as paid ads on Facebook and Instagram, with no time limit. TO APPLY Please answer the screening questions and include any video you've recorded you're most proud of (you talking to the camera!)

Клиент — небольшая софт-компания из Канады, разрабатывающая AI-агента для малого бизнеса. Запускают видеорекламу в Facebook и Instagram и ищут мужчину 35–50 лет для съёмки 4 коротких скриптов (по ~20 секунд) от лица владельца бизнеса (юрист, подрядчик). Нужно снять каждый скрипт в 2 варианта вступления + основная часть, вертикально 9:16, 1080p+ (4K приветствуется), на зелёном экране или ровной стене, с чистым звуком и хорошим светом. Монтаж делает клиент, присылать исходники. Формат — почасовая оплата (ставка не указана), срок менее месяца. В отклике просят ответить на 5 скрининговых вопросов и прикрепить лучшее видео, где вы говорите в камеру.

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$51,226.55 spentCanada

Posted 11 days ago  •  Proposals: 5 to 10  •  Поиск: AI Agent  •  опубликована 28.10.2026, 12:31

Навыки 0 · Бюджет 50 · Клиент 90 · Ясность 80 · Конкуренция 60

Hourly: $30-$120 - Expert - Est. Time: 1 to 3 months - рейтинг 5.0 (110 отзывов) · найм 375%

We are an established Australian B2B SaaS company preparing to launch a new AI-enabled specialist capability. We are exploring Claude as an important distribution and usage channel through: • Claude Marketplace • MCP connectors • Claude plugins • interactive MCP Apps • AI agencies implementing Claude solutions for their business clients The initial launch will be in Australia, with international expansion planned if the model is proven. What we need We are looking for an experienced Claude/MCP go-to-market specialist to help us develop the commercialisation and launch strategy. Please note: This is not a development role and we are not looking for someone to write a lengthy strategy document. We want an experienced go-to-market adviser who can challenge our thinking and help us determine the most effective route to market. The consultancy will likely cover: • positioning within the Claude ecosystem • Claude Marketplace discovery • MCP / plugin / interactive App strategy • acquiring users who have never heard of our company • free-trial and product-led acquisition models • converting free usage to paid usage • direct customer versus intermediary/channel distribution • AI-agency partner, wholesale and reseller models • pricing and monetisation options • authentication, entitlement and payment friction • launch testing and prioritisation • initial market launch followed by international expansion How we want to work Initially, we expect approximately 10 hours of consulting and research, probably structured around three strategy workshops plus preparation/research. The sessions will be recorded and AI transcribed. These discussions will be written into the GTM strategy, so your role is primarily to: • bring specialist Claude/MCP commercial expertise that we lack • research where required • challenge our assumptions • identify opportunities and risks • advise on key strategic decisions • pressure-test the emerging GTM model You will not need to write the final strategy document. There is potential for ongoing advisory work, following the initial engagement, presuming successful take up. Essential experience Please only apply if you have direct, successful experience launching or commercialising products through the Claude/MCP ecosystem Your relevant experience should include: • Claude Marketplace • MCP servers/connectors • Claude plugins • interactive MCP Apps • developer/API products • SaaS monetisation • usage-based products • AI-agent distribution • partner/reseller channels Who Should NOT apply Generic SaaS marketing experience alone is not sufficient. Similarly, technical experience building MCP servers without commercialisation/GTM experience is not what we are seeking. We specifically need someone who understands how MCP-enabled products are: discovered → trialled → adopted → monetised → scaled. Please avoid generic applications. We will prioritise candidates who can demonstrate real-world Claude/MCP launch and commercialisation experience. An NDA will be required before any product, market, customer or technical details are disclosed. Strategy sessions will be recorded/transcribed and AI will be used to help synthesise the discussions into our internal GTM strategy.

Австралийская B2B SaaS-компания готовит запуск нового AI-продукта и ищет консультанта по выходу на рынок (GTM) через экосистему Claude/MCP: Marketplace, MCP-коннекторы, плагины, интерактивные MCP-приложения и партнёрскую сеть AI-агентств. Задача — разработать коммерческую стратегию: позиционирование, модели бесплатного пробного использования, конверсию в платных пользователей, каналы распределения (прямые и через посредников), ценообразование, аутентификацию/энтитлменты/оплату, приоритеты запуска и план международной экспансии. Формат: ~10 часов консалтинга за 1–3 месяца, три стратегические мастер-сессии с подготовкой/исследованием, сессии записываются и расшифровываются ИИ; финальный документ пишет клиент. Бюджет $30–120/час (почасовая оплата). Обязательно: прямой успешный опыт запуска и монетизации продуктов именно через Claude/MCP (Marketplace, MCP-серверы, плагины, интерактивные приложения, SaaS-монетизация, usage-based, партнёрские каналы). В отклике нужно продемонстрировать реальные кейсы коммерциализации в этой экосистеме; общий SaaS-маркетинг или чисто технический опыт MCP без GTM не подходят. Требуется NDA перед раскрытием деталей.

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$145,539.90 spentAustralia

Posted 9 days ago  •  Proposals: 10 to 15  •  Поиск: automation workflow  •  опубликована 29.10.2026, 16:49

Навыки 0 · Бюджет 0 · Клиент 40 · Ясность 90 · Конкуренция 40

Hourly - Intermediate - Est. Time: Less than 1 month - рейтинг нет отзывов · найм 100%

AutoCAD Fabrication Drawings + Structural Certification + PLC Logic Review (Metal Equipment) Description: I need an engineer (or small team) to take an existing sketch and turn it into production-ready AutoCAD drawings so we can cut and weld the parts, review/confirm the correct PLC control logic, and provide structural certification that the design is sound. Scope of work: 1. AutoCAD / Fabrication Drawings • Redraw the provided sketch into clean, dimensioned AutoCAD drawings (2D and basic 3D if helpful). • Produce shop-ready part drawings, assembly drawings, and DXF files suitable for CNC plasma/laser cutting. • Include weld callouts, material specs, hardware, and a cut list / BOM. • Design should be practical for steel fabrication (tubing, plate, structural members). 2. Structural Review & Certification • Analyze the design for structural adequacy (loads, wind, connections, members, etc.). • Provide stamped/sealed drawings or a PE certification letter confirming the design is structurally sound. • Must be performed by a licensed Professional Engineer (PE). 3. PLC Logic • Review the intended function and confirm or develop the correct PLC logic (ladder logic preferred). • Platform is Delta PLC (experience with Delta or similar industrial PLCs is required). • Include interlocks, sequencing, and any sensor/actuator logic needed for reliable operation. Deliverables: • Complete AutoCAD drawing package (DWG + PDF) • DXF files for cutting • Cut list / BOM • Structural calculations and PE-stamped certification • Documented PLC logic (ladder diagrams or equivalent) with explanation Requirements: • Experience with metal fabrication drawings and CNC-ready files • Licensed PE for the structural portion (or ability to partner with one) • Hands-on experience with industrial PLC programming (Delta preferred) • Clear communication and practical shop-oriented approach Please reply with: • Relevant experience (especially fabrication + structural + controls) • Whether you can provide the PE stamp yourself or through a partner • Estimated timeline and fixed-price quote for the full scope • Examples of similar work (fabrication drawings, structural stamps, or PLC projects) I have the sketch and functional description ready to share once we connect.

Клиент из США (верифицированный платёж, $1500 потрачено, 1 найм) ищет инженера или небольшую команду для проекта «Автоматический тень для скота». Нужно по существующему эскизу подготовить производственные чертежи AutoCAD (2D/базовый 3D, детали, сборки, DXF для CNC плазмы/лазера, сварные обозначения, спецификации, ведомость деталей), провести расчёт прочности и выдать заверенную PE-штамповку (лицензированный Professional Engineer), а также проверить/разработать логику ПЛК Delta (ladder logic) с блокировками, последовательностями и датчиками. Формат: почасовая оплата, срок менее месяца, уровень Intermediate. В отклике просят: релевантный опыт (фабрикация + конструкции + управление), возможность поставить PE-штамп самостоятельно или через партнёра, фиксированную цену и сроки за весь объём, примеры похожих работ. Эскиз и функциональное описание клиент готов передать после контакта.

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$1,500 spentUSA

Posted 10 hours ago  •  Proposals: 10 to 15  •  Поиск: AI Agent  •  опубликована 08.11.2026, 04:09

Hourly - Intermediate - Est. Time: Less than 1 month - рейтинг нет отзывов · найм 0%

Luiz, Sou brasileiro tenho uma empresa em Tampa Florida, teria como a gente conversar por uns 10 minutos eu te explico o que precisamos Obrigado ! Roland Meu objetivo é utilizar ChatGPT, Claude ou outras ferramentas de IA para executar tarefas em aplicativos que utilizo diariamente, reduzindo ao máximo a necessidade de abrir programas, digitar senhas e executar processos repetitivos. Os principais aplicativos são: QuickBooks Online GoHighLevel CRM BILL.com Diversas contas bancárias nos Estados Unidos Outros aplicativos e arquivos do Windows Exemplos do que desejo implementar: Clicar em um botão ou dar um comando para abrir o QuickBooks e gerar automaticamente um relatório de Profit & Loss. Abrir diretamente a tela de criação de uma nova invoice no QuickBooks. Consultar informações em diferentes aplicativos e consolidar relatórios. Utilizar autenticação segura, evitando a necessidade de digitar senhas repetidamente, sem comprometer a segurança. Criar agentes de IA capazes de executar tarefas no computador, com minha supervisão quando necessário. Procuro alguém com experiência prática em ChatGPT, Claude, n8n, APIs, Microsoft Power Automate Desktop e RPA. Gostaria de saber: Vocês já implementaram automações semelhantes? Têm experiência com aplicativos financeiros e CRMs dos Estados Unidos? Conseguem demonstrar um projeto funcionando? Qual seria o custo aproximado de um projeto piloto? Oferecem treinamento e suporte após a instalação? A preferência é por um profissional ou empresa que possa trabalhar remotamente, com boa experiência técnica e preço competitivo. Obrigado!

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Новый клиент (0 трат)United States

Posted 2 days ago  •  Proposals: 5 to 10  •  Поиск: AI Agent  •  опубликована 06.11.2026, 04:58

Hourly - Intermediate - Est. Time: Less than 1 month - рейтинг 4.8 (38 отзывов) · найм 100%

We're a small software company that makes an AI agent for small businesses. We run video ads on Facebook and Instagram, and we're looking for an older, professional-looking man (50+) to record 2 short scripts for us, no editing needed! WHAT YOU'D DO - We send you 2 short scripts, about 30 seconds each. You'll be playing a small business owner who has been running his business for years, talking about how he handles calls from customers. - A script may have 2 different opening lines. You film each opening, then the rest of the script once. - Say it to the camera the way a real owner would talk to another owner. Casual and believable, not a polished presenter or salesperson. - Film in front of a green screen if you have one. If not, a plain wall or a real office works too. - Send us the raw files. We handle all the editing. TECHNICAL REQUIREMENTS - Vertical (9:16), 1080p or higher. 4K is a plus. - Clean audio. A good mic is preferred but a recent phone is OK. - Good light on your face (a window or a ring light is fine). WHO WE'RE LOOKING FOR - Man, 50+ (or looks it) - Based in the US, Canada or UK - You look and sound like someone who has run a business for a long time - Comfortable on camera, can deliver a script without sounding like you're reading it - Reliable, and can deliver on the date we agree on The videos will run as paid ads on Facebook and Instagram, with no time limit. TO APPLY Please answer the screening questions and include any video you've recorded you're most proud of (you talking to the camera!)

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$51,226.55 spentCanada

Posted 2 days ago  •  Proposals: 5 to 10  •  Поиск: AI Agent  •  опубликована 05.11.2026, 22:35

Hourly: $25-$45 - Expert - Est. Time: More than 6 months - рейтинг 4.6 (37 отзывов) · найм 53%

We're TimelinesAI, a bootstrapped, fully remote B2B SaaS that connects WhatsApp to CRMs (HubSpot, Pipedrive, Zoho, Salesforce, monday and others) and to AI tools through our MCP server and API. About 3,000 paying SMB customers, mostly self-serve (PLG): people sign up for a free trial, connect WhatsApp and pay $35–100 per seat. We also run a small sales motion for bigger accounts (demo → deal). We're looking for an AI-first PPC expert who optimizes our paid channels by looking at the whole funnel, not just the ad platform, and who runs the work through Claude, MCP and GitHub rather than by hand. The problem • Google Brand brings almost all our paying customers from paid. Non-brand campaigns (HubSpot, Zoho, Salesforce, MCP, virtual numbers) get clicks but very few payers that Google can see, while our own CRM shows demos and payers coming from them. The gap is measurement and bidding, not only targeting. • Google optimizes on the wrong signal today. We had several conflicting primary conversions, values in mixed currencies and no sales signal sent back. We're rebuilding this as one conversion feed from our CRM: a qualified signup and a demo booking first, then new paying customers and won deals with value. It needs someone to own it, check it daily and move bidding to value-based once the data is clean. • Agencies didn't work for us. They're good inside Google or Meta, but they only see the click. Our funnel starts at signup: trial → WhatsApp connected → activated → paid, with a median of ~10 days to the first payment and weeks for sales deals. We need someone who makes decisions from product and revenue data. • We test new channels fast: Bing, Meta, X, Reddit, OpenAI ads (straight to our ChatGPT app), and YouTube with our MCP videos. Every test needs tracking, a budget cap and a stop/go rule, judged by paying customers and MRR, not signups. What's already built (you'll work inside it) • Google Ads, Microsoft Ads, Meta, X, Reddit and OpenAI ads, all syncing into PostHog, our product analytics. • An internal agentic CRM that joins billing (Stripe), PostHog, demos and the sales pipeline on one card per customer, with an MCP server you query from Claude. • GitHub-based PPC loops: Claude agents that run 2-week sprints with goals, budget limits and stop rules, report to Slack, and change through pull requests. • Shared skill repos so you can ship a landing-page change or a tracking fix yourself without waiting for another team. What you'll own 1. Measurement first. Keep the CRM-based conversion feed into Google (offline/enhanced conversions, one writer per action, a daily match-rate check), and keep the same picture in GA4 and PostHog. Spot double counting and broken uploads before they cost money. 2. Bidding and structure. Manage Brand and non-brand Search, Performance Max and Bing. Decide manual CPC vs Maximize conversion value, plan the move to value-based bidding once the signal is clean, and keep the accounts from bidding against each other. 3. Full-funnel optimization. Judge every campaign by WhatsApp-connected users, payers, MRR and demos from the CRM and PostHog, not by Google's Conversions column. Cut waste (search terms, negatives, geos) and scale what brings payers. 4. Run it through AI. Operate the accounts with Claude and MCP (Google Ads, GA4, PostHog, our CRM). Keep your loops, prompts and rules in GitHub, with a human approval gate before budgets or bids change. 5. New channel tests. Launch small, capped tests end to end yourself: tracking, creative brief, landing page, spend, readout and a go/no-go call. 6. A short weekly update: spend, payers and MRR by campaign, what you changed, what you'll test next. First 30 days • Week 1: audit the Google Ads account, GA4, PostHog and the CRM against each other, and get the conversion feed and match rate to a level you trust. • Weeks 2–4: clean Search structure and negatives, set budgets and stop rules per campaign, and propose the bidding plan for non-brand CRM campaigns. You're a fit if you • Have run Google Ads for B2B SaaS with a free trial or self-serve signup, and optimized toward payers or pipeline, not leads. • Have set up offline conversion imports / enhanced conversions from a CRM or product database, and understand value-based bidding and conversion lag. • Use Claude (ideally Claude Code) and MCP daily to analyze and change ad accounts, and keep your work in GitHub. • Are comfortable in PostHog or a similar product analytics tool and can write or read a simple SQL query. • Make decisions with a human check on what the AI proposes, and can explain why. Not a fit • Agencies, or managers who don't do the work themselves. • Experience only in e-commerce, B2C or lead-gen where "form submitted" is the goal. • No hands-on AI tooling beyond chat. How we work Hourly, 15–20 h/week, reporting to me (CEO) with a weekly sync, working with our marketing team and our in-house CRM. We start with a short test task (1–2 hours) on our real numbers, then a first 2-week sprint.

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$143,756.73 spentIsrael

Posted 3 days ago  •  Proposals: 10 to 15  •  Поиск: ASP.NET Core C#  •  опубликована 04.11.2026, 23:44

Hourly - Intermediate - Est. Time: Less than 1 month - рейтинг нет отзывов

Seeking a freelance Windows developer for a small, fixed-price technical review. Need hands-on experience with native C++, Direct3D 9, and C#/.NET interop. Experience debugging 32-bit Windows applications, native callbacks, and shutdown/resource cleanup is especially valuable. The project involves reviewing a prototype replacement for CopilotBuddy’s execution and graphics-hook components in a test host. The first milestone is a read-only review of selected source and test evidence, with a short written assessment identifying a concrete design, the smallest test to verify it, or the exact missing prerequisite. Implementation and game access are outside this milestone. Please suggest candidates with relevant work samples, ask each to provide one example of debugging a native callback or cleanup issue on Windows, explain how they verified the fix, and quote a fixed price for the review. Show me the draft and suggested matches before posting or hiring.

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Новый клиент (0 трат)Croatia

Posted 4 days ago  •  Proposals: 5 to 10  •  Поиск: AI Agent  •  опубликована 03.11.2026, 20:43

Hourly: $40-$65 - Expert - Est. Time: More than 6 months - рейтинг 5.0 (2 отзыва) · найм 5%

About the role We are looking for an experienced AI Solution Architect for a fast-growing provider of AI solutions, process automation and SaaS. You will design and steer customer projects, working directly with business clients. The role combines technical architecture with consulting: you understand your clients' business processes and judge where a technical solution truly adds value. Workload: First three months 20 to 30 hours per week, then full-time Duration: Long-term Start: ASAP Experience: 5+ years Industries: Construction, industry and manufacturing Your responsibilities - Company LLM and RAG architecture: Design GDPR-compliant (and Swiss DSG-compliant) company-internal LLM solutions. Build retrieval systems (embeddings, vector databases, chunking strategies) and decide when local, self-hosted models are needed. - AI agents, automation, voice agents and SaaS: Architect autonomous agent systems and deterministic workflows. Design voice agents and SaaS solutions (CRM/ERP integrations), steered with agentic coding tools such as Claude Code and Codex. - Client-facing consulting: Run workshops and discovery sessions with business clients, translate requirements into architecture and present solution concepts clearly. - Process analysis: Understand business processes end to end and across departments, and identify where automation and AI create measurable value. - Quality assurance for AI agents: Detect when an agent gets stuck in loops, hallucinates or works inefficiently (e.g. unnecessarily high token or resource usage), and identify and fix the causes. Your profile - 5+ years of professional experience, with real projects you have built or co-owned (no bootcamp-only knowledge) - Experience in data science, RAG architecture or AI agent development - Strong industry knowledge in construction, industry or manufacturing, and the ability to understand processes broadly and across functions - Client-facing and advisory skills with a professional appearance towards business customers - German at C1 level or higher (clear, error-free communication) and good English - Ability to judge whether code generated by AI agents is clean, secure and functional - High drive, goal orientation and the ability to work independently - Enthusiasm for data science, RAG, local LLMs and digital growth Tech stack (ideally experience with several of these) - Languages and web: TypeScript / JavaScript, Python, Node.js and React (solid fundamentals) - LLMs and models: Commercial LLM APIs (e.g. Claude, GPT) and open-weight, self-hosted models (e.g. Llama, Mistral, Qwen) running via Ollama or vLLM - RAG: Embedding models (multilingual), chunking strategies, hybrid search (semantic and keyword, e.g. BM25), reranking, metadata filtering, retrieval evaluation - Vector and search databases: pgvector / PostgreSQL, Qdrant, Weaviate, Pinecone or Milvus, Elasticsearch - Agents and workflows: LangChain, LlamaIndex or LangGraph, MCP (Model Context Protocol), tool use / function calling, n8n or comparable workflow tools, agentic coding tools (Claude Code, Codex) - Voice agents: Speech-to-text and text-to-speech services, telephony integration and low-latency dialogue design - Integrations: REST and GraphQL APIs, webhooks, CRM and ERP systems - Quality and operations: LLM evaluation and tracing (e.g. LangSmith), guardrails, prompt and cost monitoring, Docker, CI/CD, cloud platforms (AWS, Azure or GCP) - Security and compliance: GDPR / DSG, access control, EU or on-premise hosting 📎 Candidates who attach a CV to their application will be prioritized.

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$163,763.39 spentPoland

Posted 4 days ago  •  Proposals: Less than 5  •  Поиск: AI Agent  •  опубликована 03.11.2026, 19:53

Hourly - Intermediate - Est. Time: 1 to 3 months - рейтинг 5.0 (9 отзывов) · найм 78%

We build autonomous AI agents that run outbound for our customers. We’re looking for a Product Manager to build and improve this product so it delivers results for them: replies first, then booked meetings. This is a product role, not a sales role. You will: - Create and own the roadmap across parallel streams and grow it into a multi-customer product - Curate strategic summaries from our PM agents and improve them with our engineers - Represent the product to stakeholders and customers - Implement the product features with our engineers (no development, but familiar with Claude, chat GPT etc - possibility to analyze data, see what APIs provide and how to use that to improve the Product features) You are: - Extremely organized. You bring a clear roadmap, tasks and knowledge base, with everything planned. This is critical - Up to date on outreach tools, deliverability and platform rules. Specialist in tools like Apollo, Sales Navigator etc. - A clear communicator and hands-on, not only a planner, take responsibility for results.

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$11,119.49 spentDEU

Posted 9 days ago  •  Proposals: 5 to 10  •  Поиск: AI Agent  •  опубликована 29.10.2026, 21:52

Fixed $2,500 - Expert - Est. Time: Less than 1 month - рейтинг 4.9 (5 отзывов) · найм 129%

ServiceNow AI Agents Developer: AI Agent Security Proof of Concept We're building a proof of concept that helps companies see, audit, and control the AI agents running in their ServiceNow instances. The project runs in a ServiceNow lab instance, and the goal is to show how agent activity can be monitored and how risky actions can be blocked before they happen. What you'll work on Build and configure several types of ServiceNow AI agents and agentic workflows in AI Agent Studio, with the setup scripted in Git (ServiceNow SDK) so the lab can be rebuilt with one command. Write read-only scripts that collect agent inventory, conversations, execution plans, and tool usage through ServiceNow APIs. Create checks that detect risky agent configurations, such as public access, over-privileged AI users, or autonomous tools that write data. Connect agent actions to our allow/block decision service, so risky actions are stopped before they run. We provide the decision service; you don't build it. Document everything clearly so another team can pick it up and run it without help. What we're looking for Hands-on experience with ServiceNow AI Agents (AI Agent Studio, Now Assist / Otto) Strong skills in ServiceNow scripting, Flow Designer, and the REST and Table APIs A solid understanding of ServiceNow security, including ACLs, roles, and authentication An interest in security, and clear written communication Details This is a short-term, remote engagement that can start right away. The work is a lab and proof of concept, not a production product. To apply, tell us briefly about a ServiceNow AI Agents project you've worked on, which part of this work you'd be strongest at, and whether you have access to an AI-enabled ServiceNow instance (a free Personal Developer Instance can't run AI Agents).

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$1,018.77 spentITA

Posted 9 days ago  •  Proposals: 10 to 15  •  Поиск: AI Agent  •  опубликована 29.10.2026, 16:39

Hourly - Intermediate - Est. Time: Less than 1 month - рейтинг нет отзывов

Hi Samir! Ik ben Juba, de vriend van Kaylee; jij hebt een paar maanden geleden een Ad-generator gebouwd die dagelijks gebruikt wordt :) Nu wil ik voor onze baas een heel proces gaan automatiseren; van het generaten van leads binnen een specifieke gemeente (emailadressen, website url, tel nr etc.) via maps/websites/scrapen, tot aan het genereren van advertenties (gegeneraliseerd en/of gebaseerd op hun eigen website/stijl), om vervolgens een dummie te genereren van die 21 advertenties in een gemeente (voor nu 21, mogelijk meer per gemeente) en die te uploaden in Google Drive van onze baas. Ik ben lichtelijk technisch, maar niet zo goed als jij; dus ik heb al een beetje lopen spelen met Claude/ChatGPT (onze baas ook) en Leonardo.ai, maar ik denk dat jij er toch iets beter in bent, en het gehele proces hopelijk met mij/ons automatisch kan maken. Ik hoop rond eind november een mooi systeem met je te hebben gebouwd, de baas wil vanaf 1 januari gaan opschalen/internationaal groeien met het automatische systeem. Dankjewel!

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Новый клиент (0 трат)Netherlands

Posted 10 days ago  •  Proposals: Less than 5  •  Поиск: automation workflow  •  опубликована 29.10.2026, 04:15

Hourly - Intermediate - Est. Time: Less than 1 month - рейтинг нет отзывов

Hello! I'd like to invite you to take a look at the job I've posted. Please submit a proposal if you're available and interested. My character has a lot of tattoos and i am having trouble making her tattoos stick in cloned videos, nsfw content, etc. Let me know if you are able to train her for me. I have pictures of multiple angles of my model Iva N.

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Новый клиент (0 трат)Canada

Posted 11 days ago  •  Proposals: 10 to 15  •  Поиск: AI Agent  •  опубликована 28.10.2026, 08:30

Hourly: $18-$35 - Intermediate - Est. Time: 1 to 3 months - рейтинг 4.7 (3 отзыва) · найм 57%

We are a design-led furniture brand preparing its Season One launch. The centrepiece is a fully AI-built digital runway show, staged the way a luxury fashion house stages a show: a vast, dark warehouse, five invented worlds, a full audience, and a slow, cinematic lighting story that ends under a sky of lights. Around the show sits the whole digital rollout: teasers, films for each piece, stills for the website, and cut-downs for social. We already have the concept, a scene-by-scene running order, a grey-box set in Blender built from our real furniture CAD, a film-language guide drawn from luxury runway shows, and an AI studio pipeline run with Claude. We need one exceptional person to build it out with us and take it to a world-class finish. WHAT YOU'LL DO - Build and dress the full 3D set in Blender: the warehouse venue, a central rotating garden, five distinct landscapes and the architectural structures at the end of each, road lighting systems, an overhead lighting rig, carts and props. - Place our real furniture from manufacturing CAD, and keep every piece exactly true to its design. - Light and stage the show beat by beat, as the light changes through the running order. - Turn Blender keyframes into photoreal stills and video with Higgsfield, holding continuity across every shot. - Work inside our Claude-driven workflow (Claude Code, MCP connections to Blender and Higgsfield, the Higgsfield Blender add-on and Bridge), and help us make it faster and more reliable. - Deliver the show film, plus the teasers, piece films, cut-downs and stills for the rollout. YOU MUST HAVE - Expert Blender skills: modelling, scene organisation, lighting, cameras, Cycles and rendering. Python scripting in Blender is a strong plus. - Recent, real work with AI image and video generation, ideally Higgsfield, and a method for consistency across shots (keyframes, references, locked looks) that avoids the usual AI artefacts. - Hands-on experience driving Blender or other creative tools with Claude or another AI agent (MCP, scripted pipelines). - Taste. A deep understanding of high-end fashion and luxury marketing, especially runway show production: set design, lighting, pacing and camera. If you can explain why the best Louis Vuitton shows work, we want to hear from you. - A portfolio that shows all of this. NICE TO HAVE - Furniture or product CGI, set or exhibition design, Unreal Engine, Houdini, editing and grading (DaVinci Resolve or Premiere), sound design. HOW WE'LL START A short paid test. We send one section of the grey-box set and one piece of furniture. You build one road and its structure to a reference, light it, and produce one photoreal keyframe and a short clip. The strongest candidate moves on to the full project. TO APPLY Send your portfolio and answer the screening questions. Applications without relevant 3D and AI work won't be considered. Start your proposal with the word "garden" so we know you've read this far. We must really emphasise that this is as much about having a good eye for art direction as it is about being really good with blender and hyper realistic video and image rendering. We are looking for a very unique candidate.

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$4,049.35 spentAUS

Posted 11 days ago  •  Proposals: Less than 5  •  Поиск: ABP  •  опубликована 28.10.2026, 03:00

Hourly - Intermediate - Est. Time: Less than 1 month - рейтинг 5.0 (7 отзывов) · найм 115%

We’re a U.S. children’s supplement company looking for a board-certified pediatrician to independently review one of our products. It’s a daily multivitamin gummy for children ages 3 and up, sold online and in U.S. retail stores. The formula is established, and we’re not asking you to reformulate it. We want your candid assessment, including any concerns. Scope (estimated 4-6 hours, paid at your hourly rate) Ingredient and dosing review for children ages 3 and up Review of our label and product claims A short written summary of your assessment and any concerns Requirements Active, unrestricted U.S. medical license Current board certification through the American Board of Pediatrics Comfortable giving honest, independent feedback To apply: please include your license state, your ABP certification status, and your hourly rate. We’ll set up a 30-minute call with our CEO and CFO to walk through the product and answer your questions. Hours: one-time review, 4-6 hours total.

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$22,529.77 spentUSA

Posted 11 days ago  •  Proposals: 10 to 15  •  Поиск: ASP.NET Core C#  •  опубликована 27.10.2026, 18:53

Hourly: $15-$35 - Intermediate - Est. Time: 1 to 3 months - рейтинг нет отзывов

I need help understanding how to use ASP to create websites or web applications that can generate income. I’m looking for guidance on practical ways to monetize ASP-based projects, including website development, online services, or other revenue-focused solutions. Please share examples of successful ASP-based income streams and recommend the best approach for someone looking to start earning through web development. Experience with practical monetization strategies is important.

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Новый клиент (0 трат)Jamaica

Posted 11 days ago  •  Proposals: 10 to 15  •  Поиск: AI Agent  •  опубликована 27.10.2026, 16:09

Hourly: $30-$60 - Expert - Est. Time: Less than 1 month - рейтинг 4.9 (25 отзывов) · найм 43%

We are looking for a highly experienced Microsoft Copilot Studio to provide technical guidance and oversight for an ongoing AI Agent and Chatbot project. Project Overview: We are developing an SPFx-based Agent & chatbot integrated with Microsoft Copilot Studio to interact with SharePoint Online Lists and Document Libraries, retrieve information, and respond to user queries. Responsibilities: - Review the proposed architecture and technical implementation. - Guide our development team on best practices and recommended approaches. - Identify potential issues related to integration, security, performance, and scalability. - Provide technical recommendations and review the implementation throughout the project. Requirements: - Strong hands-on expertise in Microsoft Copilot Studio and Generative & AI Agents - Deep understanding of Power Automate, Microsoft Graph API, and Copilot Studio integration patterns. - Experience implementing enterprise AI chatbot solutions. Important: This is strictly a consulting and technical advisory role. No hands-on development is required. Our internal team will handle the implementation. We are looking for an expert who can provide guidance through periodic technical review sessions.

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$6,305.46 spentEgypt

Posted 13 days ago  •  Proposals: 10 to 15  •  Поиск: AI Agent  •  опубликована 25.10.2026, 21:46

Hourly: $20-$45 - Expert - Est. Time: 1 to 3 months - рейтинг 5.0 (1 отзыв) · найм 31%

Technical Project Manager / Technical Program Manager — WebRTC, AI, OBS & Real-Time Streaming SaaS: Weekend and evening work required: JIRA, Confluence, GitHub, GitLab Google Workspace, AI Agent Project Management and Building. Application and source code security for development. Seeking an experienced technical project manager/technical program manager to lead a complex software development initiative involving real-time systems, AI integrations, APIs, WebSockets, cloud infrastructure, databases, security, third-party services, QA, and production deployment. The ideal candidate can translate detailed requirements into engineering roadmaps, manage frontend/backend/infrastructure teams, track dependencies and risks, validate that features are truly production-ready, coordinate testing and releases, and identify missing backend work, weak integrations, security gaps, duplicate architecture, and demo-only functionality. Strong experience with SaaS, streaming or real-time media, cloud services, DevOps, and technical delivery is highly preferred.

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$324.99 spentCOL

Posted 15 days ago  •  Proposals: Less than 5  •  Поиск: automation workflow  •  опубликована 24.10.2026, 08:37

Hourly - Expert - Est. Time: More than 6 months - рейтинг нет отзывов · найм 44%

# Social Media Growth, AI Automation & Global Expansion Manager Experience: Expert | Type: Contract / Long-Term ## Project Overview Seeking an experienced social media growth & AI automation manager to build, automate, and expand CateBate's global social media presence, marketing campaigns, communities, and audience engagement using AI-powered applications, bots, and growth tools. Must have hands-on experience with ChatGPT, Claude, SuperNinja AI, and social media growth and automation platforms. ## Key Responsibilities - Growth & Expansion: Grow followers, engagement, traffic, and registrations through AI-powered applications, automation, marketing campaigns, and growth strategies. - Social Media Management: Set up, configure, and manage Instagram, TikTok, Facebook, YouTube, X, Reddit, Discord, Telegram, and other platforms globally. - AI Content Automation: Use ChatGPT, Claude, SuperNinja AI, and supporting applications to create, schedule, repurpose, and optimize content. - Community Management: Build and expand global communities, including onboarding, engagement, multilingual support, and moderation. - Bot Automation: Configure SOMBI AI and similar bot management platforms for approved engagement, community support, and automation. - Campaign Management: Plan and execute promotional campaigns, content calendars, audience acquisition, and growth initiatives, including paid advertising when appropriate. - Integrations: Connect AI applications, social media management tools, CRM platforms, and automated workflows. - Analytics: Track audience growth, engagement, conversions, campaign performance, and automation results. ## Required Skills - Proven social media growth and digital marketing results. - Strong ChatGPT, Claude, and SuperNinja AI experience. - AI marketing applications, automation, and scheduling tools. - Social media bot configuration and management. - Discord, Telegram, and global community development. - AI content creation, short-form video, and copywriting. - CRM integrations, n8n, Make, Zapier, or similar tools. - International audience acquisition and multilingual campaigns. ## Initial Deliverables 1. Social media platform setup and optimization. 2. AI marketing applications and automated workflow configuration. 3. Global community and bot management setup. 4. 30-day content, campaign, and expansion strategy. 5. Growth tracking and automated reporting dashboard. ## How to Apply If have and not required: Provide examples of social media growth, AI marketing automation, bot configuration, and global community expansion projects. Include measurable results, applications used, availability, and hourly rate. We need a hands-on expert who can set up or work with our developers on applications, integrate AI tools, automate campaigns, manage communities, and drive measurable global growth—not just provide marketing strategy.

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$324.99 spentCOL

Posted 15 days ago  •  Proposals: 5 to 10  •  Поиск: AI Agent  •  опубликована 24.10.2026, 02:07

Hourly: $20-$45 - Expert - Est. Time: More than 6 months - рейтинг 4.6 (37 отзывов) · найм 53%

We're a B2B SaaS that connects WhatsApp to CRMs (HubSpot, Pipedrive, Zoho and others) and to AI tools through MCP. We have about 2,800 paying SMB customers worldwide. Most of them sign up and pay on their own (PLG). THE PROBLEM Churn takes back about 4–5% of MRR every month. A third of this month's churn is failed payments, and our recovery flows broke twice this year before anyone noticed. We already have the data and the agents. What's missing is one person who owns the number and runs the loop every day. WHAT'S ALREADY BUILT (you don't start from zero) - An internal agentic CRM. It puts billing, product usage, support and call data on one card per customer, and it has an MCP server you can query from Claude Code. - Hourly at-risk lists with the money at stake: cancellation booked, payment failed, WhatsApp disconnected, stopped using the app. - A churn agent that looks into each account, gives a verdict and drafts a letter. A second agent fact-checks the letter, and a person decides whether to send it. - A 10% control group that never gets contacted, so every action is measured against doing nothing. - All rules live in GitHub. You change a rule through a pull request. WHAT YOU'LL OWN 1. Failed payments, first. Make sure every failed invoice reaches the recovery flow (Stripe + Churnkey), and check every week that the campaigns are actually firing. Build a same-day track for bigger accounts across email, SMS, in-app chat and WhatsApp. 2. Booked cancellations. Every one gets a decision within 24 hours, and you reach out to the ones worth saving. 3. Talking to customers. Get on calls and WhatsApp chats with at-risk and recently churned customers, find out what really happened, and save the ones that can be saved. Large accounts go to sales with full context. 4. Win-back and reconnect. Bring back customers who left, plus customers who still pay but whose WhatsApp went dark. 5. Better agents. When a letter is wrong, fix the rule behind it (prompt, template or threshold), not just that one letter. The aim is to safely move small accounts to automatic sending. 6. Root causes. Each month, report the top 3 churn reasons in dollars to the product team, with customer quotes. 7. A weekly written update with your numbers. TARGETS FOR YOUR FIRST 3 MONTHS - Churned MRR down about 20% - Failed-payment recovery back to at least 77% (our 2025 level) and above the control group - 100% of booked cancellations decided within 24 hours - Every at-risk account paying $300+/month has a named person within 1 working day YOU'LL FIT IF YOU - Run AI workflows yourself every day (Claude Code or Codex, MCP, agents, n8n/Make, scripts) and can show us real examples. - Have owned retention, churn or customer success in B2B SaaS, ideally self-serve with SMB customers, and know your numbers: churned MRR, recovery rate, save rate. - Enjoy talking to people. An unhappy customer on a call doesn't scare you, and you'd rather pick up the phone than send a fourth email. - Are comfortable with data: cohorts, SQL/PostHog-level questions, control groups. You check a number before you trust it. - Write clearly and briefly in English. Nice to have: Portuguese or Spanish; Stripe dunning, Churnkey, Intercom or Customer.io; working in GitHub with pull requests. Not a fit: agencies; people who mainly want to manage others; strategy decks without hands-on execution. HOW WE WORK - Long-term hourly retainer, 20 h/week. - We start with a paid pilot of about 10 hours on a real slice of the at-risk queue. - You report to the founder and work daily with support, sales and product, with a weekly 1-hour sync. Async-first; some overlap with CET working hours. TO APPLY, ANSWER THESE 4 QUESTIONS. Generic proposals won't be read. 1. Describe an AI workflow or agent you built and run yourself today: the tools, what it does and how often it runs. A repo, Loom or screenshot helps. 2. Tell us about a customer you saved (or lost) in a live conversation. What did you say? 3. Our failed-payment recovery is about 55%, and the untouched control group recovers about 52%. What do you check first, and what do you change in week one? 4. Your hourly rate, weekly availability, location and time zone.

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$143,756.73 spentIsrael

Posted 16 days ago  •  Proposals: 5 to 10  •  Поиск: automation workflow  •  опубликована 22.10.2026, 19:32

Fixed $500 - Intermediate - Est. Time: 1 to 3 months - рейтинг нет отзывов · найм 0%

We are seeking an experienced automation expert to enhance our CRM workflows. The ideal candidate will have a strong background in automating processes using CRM tools to improve efficiency. You will be responsible for analyzing current workflows, identifying areas for automation, and implementing effective solutions. Strong problem-solving skills and attention to detail are essential. Familiarity with popular CRM platforms and automation tools is a must.

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Новый клиент (0 трат)Nigeria