Senior Software Engineer - mobile

Hey, You! Nice to meet you! As the super-platform for non-professional soccer in Europe, we bring pro-level experiences (news, data, gamification) to the mega-community of +190 million footballers and soccer fans. We are a startup founded in 2021 in Cologne, Germany - our team consists of 35+ smart and "hungry" members working on Prematch in our offices in Cologne and Berlin (Marketing & Business Team) or remotely across Europe (Tech & Product Team). We are supported by partners like adidas, Krombacher, Flaschenpost and Scalable Capital, but there are still some bangers in the pipeline that you can be excited about! Furthermore, we are supported by successful investors like Ralf Reichert, the CEO of ESL or the entrepreneur Verena Pausder. Already a good match if you.... Location: you’re excited to work either from one of our offices (Berlin Mitte, London, Cologne) or fully remote - whatever suits you best. Experience: you have at least 8 years of relevant experience and feel confident in your role. Mobile expertise and full-stack approach: you have hands-on experience building and maintaining mobile apps (iOS, Android, or cross-platform), understand the specific challenges of mobile development, and you want to build full-stack using agentic engineering. Startup mindset: you enjoy working in a growing team and dynamic environment – and ideally, you’ve already gained experience in a startup or similarly fast-paced setting and like building things from the ground up. Main information Start: Immediate (flexible) Workload: Full-time Area of responsibility: Tech Fast, easy & transparent application process Your mission Product Thinking: You develop with a clear product focus and make technical decisions with user experience, business value and long-term scalability in mind. Feature Development: You build new features for our Flutter app and our entire stack – using a modern, AI-driven development approach . Ownership: You work independently within a product team , take ownership and actively contribute your experience to technical development. Engineering Excellence: You help raise code quality within the team and set high standards for maintainability, structure and technical excellence. Review Culture: Through thorough code reviews , you ensure that our mobile codebase remains consistent, robust and of high quality. Product & Design Collaboration: You work closely with Product and Design , constructively challenge requirements and translate them into robust technical solutions. App Performance: You continuously improve the performance, stability and reliability of our mobile application. Mobile Architecture: You actively shape architectural decisions in the mobile domain and contribute to a scalable technical vision. What do you need AI-First Development: You use AI not as an add-on, but as an integral part of a modern development workflow. Flutter Expertise: You have strong knowledge of Dart and Flutter and develop high-performance, high-quality mobile applications. Architecture & Code Quality: SOLID principles , clean structures and sustainable code quality are second nature to you. Mobile UX: You understand how good m