Backend Developer - AI Trainer (Netherlands)

📋 Description

• Design multi-file coding tasks across bug fixes, features
• Write clear specs and reference implementations
• Develop and extend unit and integration tests
• Review tasks for accuracy and clarity
• Identify edge cases and potential failure modes
• Ensure alignment between specs, code, and outputs

🎯 Requirements

• Advanced written English proficiency
• 3–7 years of software engineering experience
• Strong Python and JavaScript/TypeScript; knowledge of Java/C#/Go
• Backend or full-stack development in production systems
• Experience with pytest, Jest, JUnit, or xUnit
• Debug multi-file codebases; code reviews, refactoring, migrations

🎁 Benefits

• Remote work
• Part-time, project-based engagement
• You manage your schedule and provide your own tools
• Work with a leading AI lab