Stefan Lobbenmeier
Senior Software Entwickler at ista
Oberhausen, North Rhine-Westphalia, Germany
Summary
🤩
Rockstar🎓
Top SchoolStefan Lobbenmeier is a Senior Software Entwickler with seven years’ experience building full-stack and backend systems, currently developing Spring Boot + Vaadin automation for certificate management. He has a strong background in secure authentication and integrations—implementing FIDO2 on Android, Microsoft Graph document workflows, and introducing GitLab CI at enterprise scale. His M.Sc. work and bachelor thesis focused on applied AI and data-quality assurance using Python, Keras, and TensorFlow, and he has hands-on ML experience like document classification with ResNet50. An active open-source contributor, he has improved tooling from Electron-based GUIs to yt-dlp extractors and IntelliJ LaTeX parsing, demonstrating comfort across front-end, tooling, and platform compatibility fixes. Based in Oberhausen, he pairs product-focused engineering with practical automation and testing experience (Selenium) gained during an industry placement in Birmingham.
7 years of coding experience
4 years of employment as a software developer
Master of Science - MS Angewandte Informatik, Master of Science - MS Angewandte Informatik at Fachhochschule SüdwestfalenBachelor of Science (BSc) Wirtschaftsinformatik Software Engineering, Bachelor of Science (BSc) Wirtschaftsinformatik Software Engineering at Fachhochschule der Wirtschaft (FHDW)
Japanese, French, German, English, Portuguese
Stackoverflow
1reputation
0reached
1answer
0questions
Github Skills (26)
kotlin10
git10
intellij10
github10
python10
electron10
youtube-dl10
git-repository10
extraction10
video-download10
latex10
intellij-plugin10
nodejs10
extractor10
filesystem9
Programming languages (23)
Github contributions (5)
StefanLobbenmeier/youtube-dl-gui
Dec 2021 - Feb 2023
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:1 release, 15 reviews, 40 commits in 1 year 1 month
Contributions summary:Stefan primarily contributed to the front-end and configuration of the YouTube-dl GUI. They fixed tests related to platform compatibility. The user implemented the use of a progress template for download output, replacing the existing human-readable format. They also updated the application's links and settings references. Finally, they modified code style and updated file path management.
electronelectron-buildernode-jsyoutubeyoutube-dl
yt-dlp/yt-dlp
Jun 2022 - Jun 2022
A feature-rich command-line audio/video downloader
Role in this project:Back-end Developer
Back-end DeveloperContributions:61 reviews, 2 commits, 12 PRs in 1 day
Contributions summary:Stefan primarily focused on improving the functionality of the `yt-dlp` project, a command-line audio/video downloader, through bug fixes and feature enhancements. Their contributions include fixing issues related to MacOS legacy versions, rewriting an extractor for the servus.com platform, and adding thumbnail support for ARDBetaMediathek. The user also contributed to adding support for age-restricted content and implementing cookie functionality to verify age restrictions, along with extracting more metadata from the ZDF platform.
pythonvideo-downloaderfixesyoutube-dlcsponsorblock
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