Frontend Engineer (Coding Agent Experience)

About the role

Mercor is partnering with a leading AI research lab on a Frontier Code Agents project. As a contributor, you'll evaluate and help improve frontier AI coding models through structured technical assessments grounded in realistic frontend engineering workflows.

Responsibilities

• Use frontier AI coding agents to complete and evaluate complex engineering tasks
• Review model-generated frontend code for correctness, quality, maintainability, accessibility, and performance
• Identify bugs, edge cases, and failure modes in model outputs
• Compare outputs from multiple frontier models and weigh their strengths and weaknesses
• Apply professional engineering judgment to realistic frontend scenarios

Eligibility

• 2+ years of professional frontend engineering experience
• Hands-on experience building modern web apps with React, TypeScript, or JavaScript
• Regular use of AI coding agents (Cursor, Claude Code, Codex, Windsurf, Gemini CLI, or similar)
• The ability to assess model-generated UI implementations, architecture, and performance optimizations

Skills

• React
• TypeScript
• JavaScript

Benefits

• Headline rate of $85/hour, with task-based pay of $400 per accepted task
• Sprint-based project running in 12–24 hour stretches based on client need
• Fully remote independent contractor engagement, completed on your own schedule
• Weekly payments via Stripe or Wise