Work alongside senior developers on JavaScript applications
both web (React) and mobile (React Native)
Building and maintaining web applications using React, TypeScript, and modern tooling
Developing mobile applications using React Native for iOS and Android
Integrating with backend APIs and ensuring smooth data flow
Writing tests and ensuring code quality with Jest and Testing Library
Learning from senior developers through pairing sessions and code reviews
Working on real projects that impact healthcare in Germany
Contributing to open source projects , or collaborating with the team building fun projects during our Open Fridays (usually on a Wednesday) :)

3-4 years of hands-on JavaScript development experience
Solid experience with TypeScript and modern JavaScript
Working knowledge of React (components, hooks, state management)
Interest in or experience with React Native for mobile development
Familiarity with testing practices
Eagerness to learn and improve
Bonus: Native iOS or Android development experience
Bonus: Experience with Node.js backend development
Fluency in English is crucial for our international team. If you can sprinkle in some German, that's a delightful bonus we appreciate.

A competitive salary
Flexible working hours and hybrid work (mainly from home, with one office day per week in Berlin or Cologne)
Learning budget for conferences, courses, and books
Choose the gear you like
Relocation support if you're moving to Berlin or Cologne
Mentorship and growth opportunities with senior developers
Minimal meetings we take planning seriously and spend our time coding, not in meetings
Web and mobile apps don't build themselves, so we make sure to keep the office stocked with coffee, fruits, Club Mate & snacks
We hold regular team events
dinners, game nights, chess evenings, and board games at the office, plus seasonal whole-company events like go-kart racing and escape rooms.

Mid-Level JavaScript Developer – Web/Mobile

Key skills