Frontend Developer - Fully Remote | Upto $85/hr

mercor; United States; Remote; USD 99,000 - 135,000; Full time

Job summary

Mercor, a San Francisco-based talent platform, seeks a Frontend Engineer for a remote contract to work with frontier AI coding agents on complex frontend tasks. You will review AI-generated code for quality, accessibility, and performance, ensuring robust UI implementations.

Ideal candidates have 2+ years of frontend experience with React/TypeScript, and are adept at evaluating model outputs and optimizing frontend performance across models.

Qualifications

• 2+ years of professional frontend engineering experience.
• Experience building modern web apps with React, TypeScript, or JavaScript.
• Regular use of AI coding agents such as Cursor, Claude Code, Codex, Windsurf, or Gemini CLI.
• Ability to evaluate model-generated frontend implementations and performance.

Responsibilities

• Use frontier AI coding agents to complete and evaluate 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 assess strengths and weaknesses.
• Apply professional engineering judgment to frontend scenarios.

Skills

Frontend engineering

React

TypeScript

JavaScript

AI coding agents

Tools

Cursor

Claude Code

Codex

Windsurf

Gemini CLI

Job description

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 Details

Position: Frontend Engineer (Coding Agent Experience) Type: Contract Compensation: $85/hour Location: Remote

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 assess their strengths and weaknesses.
• Apply professional engineering judgment to realistic frontend engineering scenarios.

Must-Have Qualifications

• 2+ years of professional frontend engineering experience.
• Experience building modern web applications using React , TypeScript , JavaScript , or similar technologies.
• Regular use of AI coding agents such as Cursor, Claude Code, Codex, Windsurf, Gemini CLI, or similar tools.
• Ability to evaluate model-generated frontend implementations, UI architecture, and performance optimizations.

Preferred Qualifications

• Experience working on large-scale consumer or enterprise applications.

Compensation & Legal

• $400 per accepted task
• Compensation tied to accepted work