anyone-ai - Python Developer - Remote in Spain

• 2–7 years of professional software engineering experience • Strong proficiency in Python • Professional experience with JavaScript or TypeScript • Working knowledge of at least one additional language such as Java, C#, or Go • Backend or full-stack experience with production systems • Experience with testing frameworks such as pytest, Jest, JUnit, xUnit, or Go testing • Ability to confidently navigate and debug large, multi-file codebases • Experience with code reviews, refactoring, and production migrations • Advanced professional written proficiency in English • Strong attention to detail and technical problem-solving skills • WHAT YOU’LL WORK ON • Depending on the project, you may: • Debug and resolve issues across complex, multi-file 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 • Identify edge cases, ambiguities, and potential failure modes • Validate that requirements, code, tests, and expected outputs are aligned • Projects are individually scoped, allowing contributors to take on work based on their availability and expertise. • ENGAGEMENT DETAILS • Work type: Remote • Engagement: Project-based consulting • Commitment: Part-time and flexible • Schedule: Contributors manage their own availability • This is an independent consulting opportunity rather than a traditional full-time position. Contributors are compensated on a per-project basis, with estimated hourly rates based on the expected time required to complete each project. • You can choose projects according to your availability, manage your own schedule, use your own equipment, and continue working with other clients or employers, subject to any applicable contractual restrictions. • WHAT SUCCESSFUL WORK LOOKS LIKE • Production-quality code and technical solutions • Complete and accurate project deliverables • Robust testing and validation • Clear technical documentation • Thoughtful and actionable code-review feedback • Reliable delivery against the requirements of each project