Summary
Sebastian Schäf is an Android engineer with nine years of hands-on experience building and maintaining consumer and enterprise mobile apps, currently contributing to Zalando's Android platform from Berlin. He combines strong Kotlin and Java skills with practical knowledge of Jetpack, architectural patterns (MVI/MVVM/MVP), dependency injection, and common libraries like Retrofit and Dagger/Koin. His background spans freelance app publishing and analytics via Firebase, product-focused development at CHECK24, and an academic thesis at Max Planck where he implemented gesture-driven VR experiments in Unity—evidence of strong systems thinking and a knack for cross-disciplinary prototyping. Open to part-time roles now and full-time from December, he explicitly prefers mobile work over PHP or Java-enterprise positions.
9 years of coding experience
6 years of employment as a software developer
Bachelor of Science (B.Sc.), Medieninformatik, Bachelor of Science (B.Sc.), Medieninformatik at Universität Ulm
Master of Science (M.Sc.), Computer Science, Master of Science (M.Sc.), Computer Science at Humboldt-Universität zu Berlin
German, English, French, Spanish, Swedish