This list contains only the countries for which job offers have been published in the selected language (e.g., in the French version, only job offers written in French are displayed, and in the English version, only those in English).
Tonsser has spent 10 years building for young football players. Now we're expanding — and we're looking for a senior Android developer to help shape what comes next. If you care about craft, move fast, and want your work to matter to millions of athletes, keep reading. This starts as a 6-month freelance engagement with the clear intention of moving into a full-time position.
Job Responsibility:
Join a small, focused team building a best-in-class companion app for the next generation of athletes
Requirements:
Senior-level Android experience — you've shipped production apps and can own decisions end to end
Kotlin Multiplatform (KMP) — you've worked cross-platform (iOS + Android) and know where shared code helps and where it doesn't
Jetpack Compose — comfortable building modern declarative UIs at scale
Consumer app background — experience with video, animations, and the kind of polish that users actually notice
AI-integrated workflow — you've used AI tools in your day-to-day and can bring that mindset to the team