David Vávra is a Google Developer Expert for Android and founder-CEO who combines 14 years of hands-on mobile engineering with product leadership. As CEO & Dev Lead at Step Up Labs he built and leads the team behind Settle Up (200K monthly active users across Android, iOS, Windows and web) while previously developing flagship Android apps at Avast (Mobile Security 100M+ installs) and leading Android teams for enterprise and automotive projects like My Škoda and Android Auto. He balances running a US-based startup with day-to-day engineering—maintaining open-source libraries (notably backporting Material dialogs, migrating projects to Gradle and adding dark-theme support) and driving Kotlin/DI/MVVM and CI/CD transformations. Based in Prague, he pairs strong academic grounding in software engineering with a proven track record of scaling mobile products and developer relations globally.
15 years of coding experience
16 years of employment as a software developer
Master's, Software Engineering and Interaction, GPA 3.536, Master's, Software Engineering and Interaction, GPA 3.536 at Czech Technical University in Prague Faculty of Electrical Engineering
Graduate, Computer science, GPA 3.679, Graduate, Computer science, GPA 3.679 at Kansas State University
general, general at Gymnázium Joachima Barranda Beroun
Backport of Material dialogs with easy-to-use API based on DialogFragment
Role in this project:
Mobile Developer (Android)
Contributions:7 releases, 58 commits, 12 PRs in 2 years 7 months
Contributions summary:David primarily focused on updating and refactoring the Android-based dialog library. Their contributions included migrating the project to Gradle for build management, unignoring the Gradle wrapper, and merging pull requests. They also addressed conflicts and updated demo activities, including the implementation of new dialogs and UI elements while refactoring code to support dark themes.
Android app which simplifies buying and using tickets for public transportation using SMS
Contributions:2 releases, 16 commits, 5 PRs in 2 years 6 months
transportationsmsandroidandroid-appkotlin
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