Frontend Software Engineer (React, TypeScript or JavaScript)

• 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

Do you have experience in TypeScript?, * 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

• $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

• Independent contractor
• Daily payment via Stripe Connect, * 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

About MercorMercor is a San Francisco-based company specializing in connecting elite professionals with cutting-edge AI initiatives. Our investors include Benchmark, General Catalyst, Adam D'Angelo, Larry Summers, and Jack Dorsey. Thousands of professionals across engineering, research, and creative fields have partnered with Mercor on frontier projects shaping the future of AI.

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.