App Developer (C#, Flutter) Remote (EU, Switzerland, UK)

NeuroNation is a leading brain training platform used by over 30 million people worldwide. We collaborate closely with scientists and universities to deliver engaging, medically certified digital health solutions. Our mobile and web applications have been recognized by Apple 🍏, Google📱, and major health insurance companies. In Germany, our medical app is DiGA-listed and prescribed by doctors, with costs covered by public health insurance.

We are on a mission to help people lead healthier, more independent lives — and we're looking for passionate team members who want to make a real impact.

To support our transition to Flutter, we’re looking for an experienced App Developer (Flutter & C#) to help us shape the future of our mobile platform—impacting lives while building something meaningful.

• Build and maintain mobile app features using Flutter and C#
  
• Drive our mobile tech transition with your Flutter expertise 💡
  
• Work cross-functionally with product, design, and engineering teams
  
• Monitor app health and performance to ensure a smooth user experience 📊
  
• Contribute ideas and improvements that reach millions of users 🌍
  

• ✅ Proven experience in Flutter mobile development
  
• ✅ Strong knowledge of C# and object-oriented programming
  
• ✅ Proven experience developing games with complex game logic (e.g. systems requiring state machines, deep rule sets, or dynamic gameplay mechanics)
• ✅ 3+ years of professional experience in software development
  
• ✅ A degree in Computer Science or similar
  
• ✅ Located in Germany (remote within Germany or hybrid in Berlin)
  

• Familiarity with Xamarin.Android or Xamarin.iOS
  
• Background in Unity or game development
  
• Experience with quality management systems (e.g. ISO 13485, MDR)
  

• A product that improves people’s lives
  
• A remote-first setup within the european union, Switzerland & UK
  
• Flexible working hours ⏰ (core time: 9:30–16:00 CET)
  
• A collaborative, purpose-driven team 🤝
  
• Optional workspace in our Berlin office 🏢
  

We’re looking for developers who already work with Flutter. If you're passionate about building impactful products and want to be part of a mission-driven team—let’s talk! 🙌