Location: France / Belgium / Remote in EU (French-speaking preferred) Start: January 2026 - 3 Months to Start With Contract: Part-time, with potential to grow Level: Medior to Senior We are looking for a Full Stack Developer to support a SaaS application built with Python and React. The role involves handling technical requests, implementing enhancements and small updates, fixing any issues, and ensuring smooth day-to-day operation of the platform. Key responsibilities Respond to technical queries and support requests related to the SaaS application. Implement enhancements, small updates, changes, and improvements. Troubleshoot and resolve bugs in both backend (Python) and frontend (React). Ensure high-quality and timely delivery of support tasks. Document fixes and updates clearly. Requirements Strong experience in Python development. Solid experience with React. Good understanding of modern web application / SaaS architecture. Ability to work independently and manage tasks efficiently. Strong communication skills; French speaking is preferred. Available for part-time work. Nice to have: Familiarity with cloud services and CI/CD. What we offer Flexible part-time arrangement. Opportunity to support and contribute to a growing SaaS product. Potential for long-term collaboration.