Frontend Software Engineer | $120/hr

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: Frontend Engineer
Type: Freelance
Compensation: $80–$120/hour
Location: Remote
Duration: 1 month
Commitment: 15–20 hours/week
Role 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 and scalability of benchmark task distribution.
  • Provide structured feedback on solution quality and clarity.
  • Debug, optimize, and document benchmark code for reliability and reproducibility.
  • Work independently and asynchronously with flexible hours to improve AI systems.
Qualifications
Must-Have
  • 3–10 years of experience as a frontend engineer.
  • Degree in Software Engineering, Computer Science, or a related field.
  • Strong proficiency in React, TypeScript, or JavaScript.
  • Experience with debugging, testing, and validating code.
  • Comfortable with technical writing and attention to detail.
Start Date
  • Immediate
Compensation & Legal
  • Independent contractor
  • Daily payment via Stripe Connect
Application Process (Takes 20–30 mins to complete)
  • Upload resume
  • AI interview: A short, 15-minute conversational session to understand your background, experience, and interest in the role
  • Brief assessment testing real-world coding ability, technical depth, and debugging approach
  • Follow-up communication within a few days with next steps and onboarding details
Resources & Support
  • For details about the interview process and platform information, please check:
  • 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.
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Job Details

Company
Mercor
Location
Chelmsford, Essex, UK
Employment Type
Full-time
Posted