Contributors will design and implement multi-file coding tasks across bug fixing, feature development, refactoring, and testing
Write clear natural-language specifications and reference implementations
Develop and extend unit and integration test suites
Review peer-generated tasks for correctness, clarity, and realism
Identify edge cases, ambiguities, and potential failure modes
Ensure alignment between specifications, code, and expected outputs

🎯 Requirements

Advanced professional English proficiency
3–7 years of professional software engineering experience
Proficiency in Python and JavaScript/TypeScript; working knowledge of Java, C#, or Go
Backend or full-stack development in production systems
Experience with testing frameworks (pytest, Jest, JUnit, xUnit)
Experience with code reviews, refactoring, and production migrations

🎁 Benefits

Part-time, project-based expert evaluation work
Remote work with flexible schedule and own tools

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