Backend Engineer - AI Coding Agent

About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey . Position: Backend Engineer (Coding Agent Experience) Type: Contract Compensation: $85/hour Location: Remote Role Responsibilities - Use frontier AI coding agents to complete and evaluate complex engineering tasks. - Review model-generated code for correctness, quality, maintainability, and performance. - Identify bugs, edge cases, and failure modes in model outputs. - Compare outputs from multiple frontier models and assess their strengths and weaknesses. - Apply professional engineering judgment to realistic backend engineering scenarios. - Work independently and asynchronously to meet deadlines while improving AI model performance . Qualifications Must-Have - 2+ years of professional backend engineering experience. - Experience building APIs , distributed systems, microservices, backend platforms, or databases. - Regular use of AI coding agents such as Cursor, Claude Code, Codex, Windsurf, Gemini CLI, or similar tools. - Ability to evaluate model-generated code and identify bugs, edge cases, and architectural tradeoffs. Preferred - Experience working on large-scale production systems. Compensation & Legal - $400 per accepted task . - Typical tasks take approximately 1–3 hours after ramp-up. - No fixed task limits. - Compensation is tied to accepted work. Application Process (Takes 20–30 mins to complete) - Upload resume - AI interview based on your resume - Submit form Resources & Support - For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome - For any help or support, reach out to: support@mercor.com PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.