Senior Android developer at Tonsser

Berlin·7h ago

SeniorFull-timeAI

Salary Range

€65,000 - €80,000 /year

<div> <p>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.</p> <div> </div> </div> The Role You'll join a small, focused team building a best-in-class companion app for the next generation of athletes. This starts as a 6-month freelance engagement with the clear intention of moving into a full-time position. What we're looking for 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. Please be precise in your application about: • Your experience with KMP • Your potential start date

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About Tonsser

Tonsser is a leading digital platform dedicated to empowering young athletes and sports enthusiasts. Specializing in the sports technology sector, the company provides a comprehensive ecosystem designed to connect players, coaches, and clubs. Founded in Sweden, Tonsser has grown into a global platform that leverages technology to enhance sports development and engagement. Its mission is to create a seamless digital experience that supports athletes in their journey from grassroots to professional levels, fostering a community-driven approach to sports growth. Tonsser offers a suite of innovative products and services tailored to the needs of young athletes, including performance tracking, training plans, and communication tools. The platform’s key features include personalized player profiles, match analysis, and a social network for sports communities. Targeting youth athletes, coaches, and sports organizations, Tonsser aims to streamline the management of sports activities while providing valuable insights to improve performance. Its user-friendly interface and data-driven approach make it a preferred choice for both individuals and teams seeking to optimize their training and development. With a strong presence in multiple countries, Tonsser has established itself as a trusted partner in the sports technology industry. The company’s unique value proposition lies in its ability to combine technology with a deep understanding of sports dynamics, creating a holistic environment for athlete growth. By fostering collaboration between players, coaches, and clubs, Tonsser has successfully bridged the gap between grassroots and elite sports, positioning itself as an essential tool for the future of sports development.