Full-Stack Developer - AI Trainer (UK)

📋 Description

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

🎯 Requirements

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

🎁 Benefits

• Part-time, project-based engagement
• Flexible schedule; you control your tools
• Work with multiple vendors (subject to agreements)
• Remote work; paid per project