Full-Stack Engineer
Anywhere in the World·Posted today
<p> <strong>Headquarters:</strong> United States <br /><strong>URL:</strong> <a href="https://opentrain.ai/">https://opentrain.ai/</a> </p> <p>Full-Stack Engineer, Part-Time AI Code Evaluation - Remote (United States)</p> <p>• $50–$100 per hour equivalent, paid per accepted task<br>• 100% remote<br>• Part-time<br>• Under 20 hours a week, you choose when</p> <p>Work on AI code evaluation on your own schedule, using your full-stack engineering judgment to create, review and validate software tasks.</p> <p>AI systems improve through examples reviewed by engineers. In this role, full-stack professionals design realistic tasks, assess generated code, write reference solutions, and explain technical gaps. The work is part-time remote contract work for under 20 hours per week.</p> <p>What you'll do<br>• Create and solve realistic full-stack tasks involving user-facing features and APIs<br>• Trace requests and data across browsers and back-end services to judge whether an AI implementation works correctly<br>• Write professional reference solutions and validate code across front-end and back-end systems<br>• Review AI-generated code for security, performance and maintainability, and explain where it needs improvement</p> <p>Why this is worth your time<br>• Earn $50–$100 per hour equivalent for accepted tasks that meet project specifications while applying your full-stack engineering judgment.<br>• Review AI-generated code for security, performance and maintainability across front-end and back-end systems.<br>• Use your full-stack experience to assess AI-generated solutions across unfamiliar codebases and complete software systems.<br>• Fully remote and flexible, no fixed shifts, no commute</p> <p>Who this is for<br>• Strong professional experience building production full-stack applications across multiple programming languages<br>• Strong full-stack systems knowledge covering browser applications, APIs, application state, databases, service integration, architecture and debugging<br>• Professional fluency in English; experience contributing to complete software-system architecture, working in unfamiliar codebases, and solving difficult debugging problems<br>• No AI experience needed. Experience reviewing AI-generated code for security, performance and maintainability is helpful.</p> <p>Pay and details<br>• $50–$100 per hour equivalent; pay is per accepted task, as an independent contractor<br>• Part-time, under 20 hours a week, you choose when; fully remote, United States</p> <p>How to apply<br>1. Apply on OpenTrain (about two minutes): https://app.opentrain.ai/api/out/cmu3vn4y500000bgm9fcp5md7?ch=weworkremotely&sub=weworkremotely-cmu3vn4y5-us-2026-10<br>2. Complete a short application on the hiring platform.<br>3. If shortlisted, take a conversational AI interview with technical questions and a coding challenge, whenever it suits you.</p> <p>Ready to apply your full-stack engineering judgment to AI code evaluation? Apply today.</p> <p>About OpenTrain AI<br>OpenTrain AI connects experienced professionals with paid, part-time AI training work: shaping and improving the AI systems that companies are building right now.</p> <p><strong>To apply:</strong> <a href="https://weworkremotely.com/remote-jobs/opentrain-ai-full-stack-engineer">https://weworkremotely.com/remote-jobs/opentrain-ai-full-stack-engineer</a></p>