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Frontend Software Engineer (React, TypeScript or JavaScript)

MERCOR

$90 - $200
Dec 1, 2025
San Francisco, CA, US
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Mercor is looking to support high-impact research collaborations with leading AI labs by improving AI systems through work extending coding benchmarks that reflect real-world development across diverse languages and domains

Requirements

  • Strong proficiency in React, Typescript or Javascript
  • Experience with debugging, testing, and validating code

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

Other

  • 3–10 years of experience as a frontend engineer
  • Degree in Software Engineering, Computer Science, or a related field
  • Comfortable with technical writing and attention to detail
  • Independent contractor
  • Part-time (15–20 hours/week) commitment