Experienced (Python + React) Developer for a Swiss Customer

Freelance / Contract

To accelerate our internal developments, we are looking for a Full-Stack Developer (freelancer or contractor) with solid expertise in Python and React. You will work closely with our in-house team to build and improve web applications that integrate with our existing platforms.

📍 Location: Remote, collaborating with our in-house team in Milan
📅 Start: Ideally October (flexible)
📆 Duration: 3 months probation period and long term if the probation is successful
💼 Engagement Type: B2B Contract / Freelance

If the collaboration is successful, this temporary position may evolve into a longer-term partnership.

Responsibilities

Data Management Web App (React / MUI)

• Rebrand and refactor the existing application.
• Add new pages and components to expose API functionalities to users.
• Package core functionalities (e.g., login, page templates) for reuse across other web apps.

Customer Operations Web App (React / MUI / Python)

• Develop a base web app framework, leveraging work done on the Data Management app.
• Integrate existing API functionalities for device configuration editing.
• Extend APIs to support customer platform configuration.
• Build UI components for platform configuration management.
• Support deployment of configuration changes to the platform.

Required Skills

• React: Proven experience building user interfaces with React.
• Material UI (MUI): Skilled in designing responsive, modern web applications.
• Python / FastAPI: Strong backend development expertise.
• Test-Driven Development (TDD): Hands-on experience with testing best practices.
• High attention to detail and code quality.

Preferred Skills

• Experience designing and building web applications from scratch.
• Structured and organized approach to project work.
• Strong communication and collaboration skills.
• Experience creating and maintaining APIs for seamless integration

⭐️ Nice to Have

• Basic understanding of power systems
• Experience with Jupyter Notebooks
• Knowledge of Italian (helpful for collaboration with the Milan team)

If this sounds like something you could help with — we’d love to hear from you!