Senior Frontend Software Engineer

5 days ago


San Francisco, California, United States Call For Referral Full time $19,200 - $24,000 per year

Frontend Software Engineer (React, TypeScript or JavaScript)

Hourly Contract | Part-Time Remote | $80 –$120 per hour

1. About the Role

Mercor is hiring
experienced frontend engineers
to support high-impact AI research collaborations with leading labs. In this role, you'll help enhance AI systems by extending and validating
real-world coding benchmarks
that reflect modern frontend development practices across JavaScript, TypeScript, and React.

This is a unique opportunity to apply your engineering expertise toward shaping the next generation of intelligent, developer-focused AI systems.

2. Key Responsibilities

  • Develop and validate coding benchmarks in
    React, TypeScript, or JavaScript
    by curating issues, solutions, and test suites from real-world repositories
  • Ensure benchmark tasks include
    comprehensive unit and integration tests
    for solution verification
  • Maintain
    consistency, scalability, and clarity
    across benchmark tasks
  • Provide structured feedback on
    solution quality, design approach, and code readability
  • Debug, optimize, and document benchmark code for
    reliability, reproducibility, and maintainability

3. Ideal Qualifications

  • 3–10 years
    of professional experience as a frontend engineer
  • Degree in
    Software Engineering, Computer Science
    , or a related discipline
  • Strong proficiency in
    React
    ,
    TypeScript
    , or
    JavaScript
  • Experience with
    debugging, testing, and validating
    frontend code
  • Comfortable with
    technical writing
    , documentation, and attention to detail

4. Project Timeline

  • Start Date:
    Immediate
  • Duration:
    ~1 month
  • Commitment:
    Part-time (15–20 hours/week)
  • Schedule:
    Fully remote and asynchronous with flexible working hours

5. Compensation & Contract

  • $90 per hour plus lucrative bonus per approved task
  • (Each task takes ~1 hour; median average pay with bonuses is
    ~$200/hr
    )
  • Independent contractor engagement
  • Daily payments
    via Stripe Connect

6. Application & Onboarding Process

  • Upload your resume
  • Complete a short
    AI interview
    (~15 minutes) to discuss your background and experience
  • Take a brief assessment evaluating
    real-world coding ability, debugging skills, and technical depth
  • Receive follow-up communication with next steps and onboarding details

PS: Mercor reviews applications daily. Please complete your interview and onboarding steps to be considered for this opportunity.



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