Stefan Oltmann
Software Engineer at Open Source Engineer
Oldenburg, Lower Saxony, Germany
Summary
👤
Senior🎓
Top SchoolStefan Oltmann is a seasoned Software Engineer with 11 years of experience specializing in Kotlin and Compose Multiplatform, focused on modern UI/UX and maintainable, clean code. Based in Oldenburg, Germany, he brings practical expertise in crafting cross-platform user interfaces that prioritize developer ergonomics and polished user experiences. Trained as a Fachinformatiker in application development, Stefan pairs solid vocational grounding with a decade-long practice of shipping production-quality software. He emphasizes readable architectures and design patterns that make complex front-end logic easier to test and evolve. While active on GitHub as a Kotlin developer, he blends attention to UI detail with pragmatic engineering, often favoring solutions that reduce long-term maintenance overhead.
11 years of coding experience
Fachhochschulreife Gymnasiale Oberstufe, Fachhochschulreife Gymnasiale Oberstufe at Cäcilienschule OldenburgFachinformatiker Anwendungsentwicklung Fachinformatiker Anwendungsentwicklung, Fachinformatiker Anwendungsentwicklung Fachinformatiker Anwendungsentwicklung at BBS Haarentor, Oldenburg (Oldb)
Github Skills (200)
metadata10
kotlin-extensions10
java-bytecode10
compose10
xmp10
kotlin-android10
groovy10
kotlin-jvm10
swing10
icc10
modern-ui10
keras10
mp410
png10
codec10
Programming languages (15)
Github contributions (5)
StefanOltmann/PokerGame
Apr 2016 - Nov 2020
Contributions:12 pushes, 1 branch in 4 years 7 months
StefanOltmann/smart-home-server
May 2021 - Oct 2024
Stefans Smart Home Server
Contributions:5 releases, 11 PRs, 38 pushes in 3 years 5 months
mqttknxhome-serversmart-homeiot-application
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