Backend Developer (Colombia)

📋 Description

• Design and implement multi-file coding tasks across bugs, features, refactoring
• Write clear natural-language specs and reference implementations
• Develop and extend unit and integration test suites
• Review peer submissions for correctness, clarity, realism
• Identify edge cases, ambiguities, and potential failure modes
• Ensure alignment between specs, code, and expected outputs

🎯 Requirements

• Advanced professional English writing
• 3–7 years of software engineering experience
• Proficient in Python and JavaScript/TypeScript; knowledge of Java/C#/Go
• Backend or full-stack experience in production systems
• Experience with testing frameworks (pytest, Jest, JUnit, xUnit)
• Ability to debug large multi-file codebases
• Experience with code reviews, refactoring, and migrations

🎁 Benefits

• Part-time, project-based engagement
• Remote work with flexible schedule
• Control your own tools and may work for other vendors