Backend Developer (Peru)

📋 Description

• Design multi-file coding tasks across bugfix, feature, refactor, 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 written English proficiency
• 3–7 years of professional software engineering experience
• Strong Python and JavaScript/TypeScript; working knowledge of Java, C#, or Go
• Backend or full-stack production systems experience
• Experience with testing frameworks (pytest, Jest, JUnit, xUnit, Go testing)
• Proven ability to debug and navigate large multi-file codebases
• Experience with code reviews, refactoring, and migrations

🎁 Benefits

• Part-time, project-based expert evaluation work
• Remote work
• Paid per project; hourly estimates
• Control over schedule and tools
• May work for multiple vendors (subject to allowances)