Mobile App Engineer (React Native) gesucht in Berlin

Founded in 2024, acemate has quickly become the leading AI learning platform for higher and further education, trusted by top-tier institutions across four countries, including University of Cologne, WHU and the German Chambers of Commerce and Industry (IHKs).

• Our Mission: Democratizing access to personalized learning. We don't believe that AI will replace educators. Instead, we empower them to design and deliver personalized learning experiences at scale.
• Our Growth: We've raised pre-seed funding and are growing rapidly. While we focus on higher and further education in the DACH area today, we're already expanding into new regions and markets.
• Our Culture: We're a young, driven team passionate about tackling the toughest challenges in education. We embrace builder culture and minimize scheduled meetings for ad-hoc discussions and maximized focus on coding and creating., Joining as an early-stage Mobile Software Developer, you'll take heavy ownership of the app's architecture and user experience. You will build out our mobile technical foundation from scratch, making the key decisions on UI architecture, state management, API integration, and performance monitoring.
• Own the product beyond the interface: You will take full accountability for your features from end to end. This means managing complex local state, building smooth user journeys, and ensuring native-level performance. You're going to write, ship, and iterate on your own code.
• Design scalable, smart architecture: You will build out a robust mobile foundation using patterns like MVVM or TCA to connect seamlessly with our Effect-based backend and AI systems. Expect to tackle tough engineering challenges involving real-time synchronization, offline-first capabilities, and streaming AI responses.
• Keep the technical bar high: You'll actively hunt down and fix performance issues like sluggish render cycles or slow app startup times. At the same time, you'll push for better maintainability, strict type safety, and a consistent UX throughout the codebase.

• Strong experience with TypeScript & React Native.
• End-to-End Ownership: You don't throw things over the wall. You own your features until they are running successfully in production and used by real learners.
• Startup experience: You're comfortable in fast-paced, evolving environments
• Balanced AI approach: You knew how to code before Cursor and Claude Code, but understand how to leverage them effectively
• Product passion: High identification with our mission to transform education

• Competitive salary package with equity component
• Fully covered Deutschlandticket
• BusinessBike (bike or e-bike via leasing, also for private use )
• Working in a small but driven team built around performance and learning
• Flexible environment with high degree of autonomy
• Frequent team events and acemate parties!