Full-Stack Engineer, Part-Time AI Code Evaluation

Responsibilities: — Design and solve realistic full-stack tasks that include user-facing features and APIs. — Trace requests and data flow across browsers and back-end services to evaluate AI implementations. — Write professional reference solutions and validate code for both front-end and back-end systems. — Review AI-generated code focusing on security, performance, and maintainability, providing explanations for improvements. Requirements: — Strong professional experience in building production full-stack applications using multiple programming languages. — Deep knowledge of full-stack systems including browser applications, APIs, application state, databases, service integration, architecture, and debugging. — Professional fluency in English. — Experience contributing to complete software-system architecture, working with unfamiliar codebases, and solving complex debugging problems. — No prior AI experience required; experience reviewing AI-generated code for security, performance, and maintainability is a plus. Benefits: — Compensation of $50–$100 per hour equivalent, paid per accepted task. — Part-time contract work under 20 hours per week with flexible scheduling. — Fully remote position based in the United States. Additional Information: — Application process includes a short application on the hiring platform and a conversational AI interview with technical questions and a coding challenge. — OpenTrain AI connects professionals with paid, part-time AI training work to improve AI systems currently being developed.