Backend Developer - Fully Remote | Upto $85/hr
Mercor
full-remotemidcontractbackend United States 48 days ago via LinkedIn
85 - 85 USD/daily
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Backend EngineeringAPIsDistributed SystemsMicroservicesDatabasesAI Coding AgentsCode ReviewDebuggingPerformance EngineeringContract
About the role
Role Overview
Backend Engineer (Coding Agent Experience) — fully remote contract 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 strengths and weaknesses.
- Apply professional engineering judgment to realistic backend engineering scenarios.
- Work independently and asynchronously to meet deadlines while improving AI model performance.
Requirements (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/tools such as Cursor, Claude Code, Codex, Windsurf, Gemini CLI, or similar.
- Ability to evaluate model-generated code, find bugs/edge cases, and assess architectural tradeoffs.
Preferred Qualifications
- Experience working on large-scale production systems.
Contract & Compensation
- Rate: Up to $85/hour.
- Structure: $400 per accepted task; typical tasks take ~1–3 hours after ramp-up.
- No fixed task limits; compensation is tied to accepted work.
Application Process
- Upload resume.
- Complete an AI interview based on your resume and the application form (20–30 minutes).
About Mercor
Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, it works with major investors and provides talent matching for AI-focused engineering work.
Scraped 6/16/2026