Posted Sep 29, 2026

App Developer (C#, Flutter) – Remote (Germany) (m/f/d)

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About the position As an App Developer (Flutter & C#) at NeuroNation, you will play a central role in our mobile technology transition. You’ll help shape the future of our platform by building new features with Flutter, maintaining existing systems in C#, and contributing to an engaging, smooth user experience for millions of users worldwide. This is a chance to combine technical expertise with purpose-driven work that improves lives. Responsibilities • Build and maintain mobile app features using Flutter and C# • Drive our mobile technology transition with your Flutter expertise • Collaborate with product, design, and engineering teams to deliver seamless solutions • Monitor app health and performance to ensure reliability and user satisfaction • Contribute ideas and improvements that reach millions of users Requirements • Proven experience in Flutter mobile development • Strong knowledge of C# and object-oriented programming • Experience developing games with complex logic (e.g., state machines, deep rule sets, dynamic gameplay mechanics) • 3+ years of professional experience in software development • Degree in Computer Science or related field • Located in Germany (remote within Germany or hybrid in Berlin) Nice-to-haves • Familiarity with Xamarin.Android or Xamarin.iOS • Background in Unity or game development • Experience with quality management systems (e.g., ISO 13485, MDR) Benefits • Flexible working hours (core hours: 9:30–16:30 CET) • BVG ticket • Urban Sports Club membership