Stephan Kulow
Senior Softwarearchitekt at Siemens
Fürth, Bavaria, Germany
Summary
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Rockstar🎓
Top SchoolStephan Kulow is a seasoned senior software architect with 29 years of experience designing and shipping Linux and open-source infrastructure, currently driving architecture at Siemens from Fürth. He spent two decades at SUSE leading release process modeling, automotive Linux initiatives, Open Build Service integration, and team leadership—bridging development, testing, and community collaboration. A pragmatic back-end specialist and test-automation engineer, Stephan has contributed performance and stability fixes to prominent projects like libsolv, PackageKit, osc and os-autoinst, often focusing on tricky package-management and build-system edge cases. His work shows a consistent bias for optimization and robustness—introducing performance modes, safer concurrency, and better image-processing test tooling. Trained in medical informatics, he brings a systems-thinking approach that pairs rigorous process modeling with hands-on code-level problem solving. Colleagues rely on him to translate complex product requirements into practical, reproducible release and integration solutions.
29 years of coding experience
Abitur, 2, Abitur, 2 at Jugenddorf-Christopherusschule RostockDiplom, Medizinische Informatik, 2, Diplom, Medizinische Informatik, 2 at Universität zu Lübeck
Stackoverflow
66reputation
523reached
4answers
0questions
Github Skills (52)
ruby-rails10
opencv10
c-language10
back-end-development10
package-management10
image-processing10
python10
testing10
command-line-interface10
rails10
c1110
perl10
opensuse10
ruby10
c1710
Programming languages (17)
Github contributions (5)
openSUSE/open-build-service
Oct 2009 - Jul 2022
Build and distribute Linux packages from sources in an automatic, consistent and reproducible way #obs
Role in this project:
Back-end Developer
Back-end DeveloperContributions:42 reviews, 3346 commits, 550 PRs in 12 years 11 months
Contributions summary:Stephan primarily focused on back-end development within the project, particularly in the web user interface part. Their contributions involved implementing features, refactoring existing code and addressing various issues. The user's work concentrated on controllers in various files.
pkgbuildrpmarchlinuxkiwideb
os-autoinst/os-autoinst
Mar 2013 - Mar 2021
OS-level test automation
Role in this project:Back-end & Test Automation Engineer
Back-end & Test Automation EngineerContributions:20 reviews, 1176 commits, 844 PRs in 8 years 1 month
Contributions summary:Stephan primarily contributed to test automation and back-end logic within the os-autoinst/os-autoinst repository, likely focused on the "OS-level test automation" aspect. Their work involved refactoring the code to use symbolic links instead of hardlinks for image duplication. They also made changes in the code to utilize OpenCV for image processing and implemented several functions for image manipulation like checksum, average colour, etc.
test-executiontest-automationtestingvirtualizationautomation
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