Python Developer - Remote in Spain
Core
Independent consulting for experienced Python engineers to debug, develop, refactor, and test production systems for a leading AI lab.
Role type
Senior IC Python Software Engineer (Backend/Full-stack)
Builds
Production-quality code, backend functionality, and full-stack features for real-world codebases
Domain
AI / Software Engineering
Deliverable
production ML models | product features | infrastructure
Required skills
Python, JavaScript/TypeScript, backend/full-stack development, testing frameworks (pytest/Jest/xUnit), code review, refactoring, debugging large codebases
Preferred skills
Java, C#, or Go, advanced English technical writing
Technologies
pytest, Jest, JUnit, xUnit, Go testing
Responsibilities
Debug and resolve issues in complex codebases, implement new backend or full-stack functionality, refactor and migrate existing systems, develop and extend unit and integration test suites, write clear technical specifications and reference implementations, review code and technical submissions for correctness and quality
Seniority
Mid-Senior, hands-on IC
