Bernd Sitzmann
Fort Collins, Colorado Area United States
Summary
🤩
Rockstar🎓
Top SchoolBernd Sitzmann is a seasoned Android app developer with over a decade of hands-on experience building user-focused applications and enterprise software, grounded in strong Java expertise. Based in Fort Collins, he pairs UI craftsmanship and UX sensitivity with back-end fluency to deliver readable, testable, and maintainable code. His work spans mobile and PC consumer products to management systems, and he contributes to notable open-source projects such as the official Wikipedia Android app, focusing on stability, UI tweaks, and test reliability. Comfortable across the stack, he leverages tools like Git/Gerrit, Maven, and node.js while emphasizing clean refactoring and automated testing. Trained as a Dipl-Informatiker (FH) in Computer Science, he brings both technical depth and a pragmatic engineering mindset to product-focused teams.
12 years of coding experience
Abitur, Abitur at Gymnasium Bad KoenigshofenDipl-Informatiker (FH), Computer Science, Dipl-Informatiker (FH), Computer Science at Fachhochschule Würzburg-Schweinfurt
German, English
Stackoverflow
21reputation
2kreached
1answer
0questions
Github Skills (11)
android-developers10
android-developer10
javas10
android10
java10
wikipedia10
testing9
junit9
ui-design8
coroutines7
kotlin7
Programming languages (11)
Github contributions (5)
wikimedia/apps-android-wikipedia
May 2014 - Mar 2020
📱The official Wikipedia app for Android!
Role in this project:
Mobile Developer (Android)
Mobile Developer (Android)Contributions:493 commits, 4 PRs, 1 push in 5 years 11 months
Contributions summary:Bernd primarily contributed to the official Wikipedia app for Android, focusing on bug fixes and minor feature enhancements. The commits include adding imports, merging updates, fixing page-related issues, adjusting user interface elements, and addressing issues with image display and sharing. Several commits focused on improving the reliability of automated tests and ensuring correct behavior during language switching and after activity restarts.
commonswikipedia-androidwikimediamediawiki-apiandroid
berndsi/restbase
Mar 2018 - Mar 2020
Distributed storage with REST API & dispatcher for backend services.
Contributions:37 pushes, 29 branches in 2 years
apibackend-servicesdistributed-storagedispatcherbackend
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