Senior Software Engineer - mobile (All Genders)

Job description

Hey! Imagine grassroots football finally had the platform it deserves. Every weekend, millions of people write their own personal football stories – on pitches, in clubs and on the sidelines. We believe this passion deserves a digital home too. That's exactly what we're building every single day. tl;dr We’re looking for a Senior Mobile Engineer to take end-to-end ownership of our Flutter app and drive its technical evolution. Main information Start: Immediate (flexible) Location: Cologne, Berlin or London Workload: Full-time Area of responsibility: Tech Is this a match? The most important basics – so we both know if it could work. 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. What you'll do - your playing field This is how you move our mission forward every day.​ Feature development in our Flutter mobile app and across our stack with AI Senior enough to work autonomously in a product squad and contribute significantly to the quality of our code Code reviews and maintaining code quality standards across the mobile codebase Collaborate with Product and Design to translate requirements into technical solutions Performance optimization and stability of the mobile app Contributing to mobile architecture decisions Mentoring of Junior engineers Improving CI/CD pipeline for mobile releases What you bring to the team We're not looking for a perfect CV. But you should recognise yourself in these points. 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…