Frontend Software Engineer (React, TypeScript or JavaScript)
$80-$120 / hr
$80-$120

Mercor is hiring experienced frontend engineers to support a variety of high-impact research collaborations with leading AI labs. Freelancers will help improve AI systems through work extending coding benchmarks that reflect real-world development across diverse languages and domains.
This is a unique opportunity to apply your engineering expertise toward shaping the next generation of intelligent systems.
Key Responsibilities
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Develop and validate coding benchmarks in React, TypeScript, or JavaScript by curating issues, solutions, and test suites from real-world repositories
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Ensure benchmark tasks include comprehensive unit and integration tests for solution verification
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Maintain consistency and scalability of benchmark task distribution
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Provide structured feedback on solution quality and clarity
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Debug, optimize, and document benchmark code for reliability and reproducibility
Ideal Qualifications
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3–10 years of experience as a frontend engineer
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Degree in Software Engineering, Computer Science, or a related field
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Strong proficiency in React, Typescript or Javascript
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Experience with debugging, testing, and validating code
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Comfortable with technical writing and attention to detail
Project Timeline
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Start Date: Immediate
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Duration: 1 month
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Commitment: Part-time (15–20 hours/week)
Compensation & Contract
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$90 per hour plus lucrative bonus per approved task (1 task takes approximately 1 hour to complete)
- Median average pay inclusive of bonuses is $200/hr
Application & Onboarding Process
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Upload your resume
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AI interview: A short, 15-minute conversational session to understand your background, experience, and interest in the role
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Brief assessment testing real-world coding ability, technical depth, and debugging approach
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Follow-up communication within a few days with next steps and onboarding details
Apply today and leverage your software engineering expertise to help build the future of AI-driven systems!
We consider all qualified applicants without regard to legally protected characteristics and provide reasonable accommodations upon request.
Contract and Payment Terms
- You will be engaged as an independent contractor.
- This is a fully remote role that can be completed on your own schedule.
- Projects can be extended, shortened, or concluded early depending on needs and performance.
- Your work at Mercor will not involve access to confidential or proprietary information from any employer, client, or institution.
- Payments are weekly on Stripe or Wise based on services rendered.
- Please note: We are unable to support H1-B or STEM OPT candidates at this time.
About Mercor
Mercor partners with leading AI labs and enterprises to train frontier models using human expertise. You will work on projects that focus on training and enhancing AI systems. You will be paid competitively, collaborate with leading researchers, and help shape the next generation of AI systems in your area of expertise.
Earn up to $480 by referring
Posted 8 months ago
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