Tobias Gesellchen
Head Of Platform
Bonn, North Rhine-Westphalia, Germany
Summary
🤩
Rockstar🎓
Top SchoolTobias Gesellchen is a pragmatic engineering leader with 17 years of hands-on software development and platform experience, currently heading Platform at Scopevisio AG from Bonn, Germany. He blends deep expertise in CI/CD, automation and container-based deployments with a strong Java/JVM and JavaScript background, and runs an independent web development consultancy. An active open-source contributor, Tobias has improved core tooling such as the Java Docker API client and enhanced testing via Robolectric, showing attention to cross-platform and Windows compatibility edge cases. Known for shipping reliable infrastructure and developer-friendly features—like infinite-scrolling improvements and efficient container file handling—he pairs managerial experience with day-to-day coding fluency. Colleagues would call him a thoughtful “senior hipster developer”: equally comfortable leading teams and diving into quirky technical fixes that make production smoother.
17 years of coding experience
16 years of employment as a software developer
Diplom (FH), Computer Science, Diplom (FH), Computer Science at Technische Hochschule Mittelhessen
German, English
Stackoverflow
3,064reputation
291kreached
48answers
0questions
namespaces
top-5%
docker
top-5%
Github Skills (29)
unit-testing10
docker10
twitter-bootstrap10
jquery10
testing10
test-framework10
robolectric10
dockers10
java10
javas10
api10
front-end-development10
android10
pagination10
wicket10
Programming languages (20)
Github contributions (5)
docker-java/docker-java
Jul 2017 - Jul 2017
Java Docker API Client
Role in this project:
Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:1 commit, 6 PRs, 89 comments in 1 day
Contributions summary:Tobias primarily contributed to the Java Docker API client, focusing on enhancing its functionality and stability. Their work included preserving executable flags in archive utilities and implementing image filtering based on Docker API documentation. Additionally, the user addressed Windows compatibility issues and improved the efficiency of file copying within containers. Furthermore, the user worked on adding and maintaining the Dockerfile to help with minimal build environments.
api-clientapidocker-javaclient-librarydocker
robolectric/robolectric
Sep 2012 - Sep 2012
Android Unit Testing Framework
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:14 commits in 6 days
Contributions summary:Tobias primarily focused on enhancing the Robolectric testing framework by adding and improving shadow implementations for various Android classes. Contributions include extending `ShadowProgressDialog` to enable testing of its properties, introducing shadows and tests for `Base64` and `LocalBroadcastManager`. These additions improve the framework's ability to accurately simulate Android behavior during unit tests, leading to more robust and reliable testing capabilities.
testing-frameworkrobolectrictestingunit-testing-frameworkandroid
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