Sébastiaan Versteeg
Data Engineer
Nijmegen, Gelderland, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolSébastiaan Versteeg is a data engineer with 12 years of software experience, blending production data work at Alliander with a decade-plus of independent product and consultancy development through his own studio, sebastiaan.app. He holds an MSc from Radboud University and has a strong Android and multimedia background, contributing notable enhancements to projects like ExoMedia and the Butter Android client, including streaming format support and TV-specific configurations. Comfortable across the stack, he moves between low-level media renderer work and higher-level data engineering tasks, demonstrating practical problem-solving and long-term maintenance skills. Based in Nijmegen, he combines academic grounding with entrepreneurial grit and a penchant for playful secrecy—his GitHub bio claims he’s “building a secret moonbase,” hinting at curiosity-driven side projects beyond day-to-day engineering.
12 years of coding experience
Master of Science - MSc, Master of Science - MSc at Radboud UniversityBachelor of Science - BSc, Bachelor of Science - BSc at Radboud University NijmegenBlariacumcollege
Dutch, English, French, latijn
Github Skills (13)
javas10
exoplayer10
hlsl10
mobile-development10
mpeg-dash10
android10
java10
vlc9
video-streaming9
media-player9
gradle8
ui-design8
gradlew8
Programming languages (20)
Github contributions (5)
butterproject/butter-android
Oct 2015 - Aug 2016
All the cool technical bits of what used to be Popcorn Time for Android
Role in this project:
Mobile Developer (Android)
Mobile Developer (Android)Contributions:30 commits, 19 PRs, 28 pushes in 10 months
Contributions summary:Sébastiaan made several changes focused on the Android mobile application. The commits include fixing a tab crash, adjusting the UI, solving list display issues within the application, and updating VLC related files. The user appears to be actively involved in improving and maintaining the application's functionality and performance. The user also was responsible for the TV versions and TV related configurations.
android-libraryandroidkotlinbitspopcorn-time
brianwernick/ExoMedia
Dec 2015 - Dec 2015
An Android ExoPlayer wrapper to simplify Audio and Video implementations
Role in this project:Mobile Developer (Android)
Mobile Developer (Android)Contributions:10 commits, 11 PRs, 62 comments in 3 days
Contributions summary:Sébastiaan primarily focused on enhancing the `exomedia` library, a wrapper for ExoPlayer. They added support for different streaming formats (HLS, DASH, and Smooth Streaming) by implementing `RenderBuilder` classes. Furthermore, the user refactored existing code to utilize the `EMMediaCodecAudioTrackRenderer` and updated the `EMVideoView` to use the new renderers, and improved the demo application with more video sources.
playerimplementationsexoplayeraudioplayerandroid
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