Simon Spannagel
Group Leader Semiconductor Detectors (FH-ATL-SD) at DESY
Hamburg, Germany
Summary
🤩
Rockstar🎓
Top SchoolSimon Spannagel is a physicist-turned-technical leader with 15 years of experience building and leading teams at DESY and CERN, now heading the Semiconductor Detectors group in Hamburg. He combines deep experimental particle-physics expertise (PhD, University of Hamburg) with hands-on software engineering across front-end and back-end contributions to notable open-source projects like Nextcloud and darktable. His code work ranges from bug fixes and UI polish to backend data handling and test adaptation, reflecting a practical, user-focused approach to complex systems. At DESY he moves seamlessly between research, instrumentation, and software, translating detector requirements into robust tools and workflows. Colleagues describe him as a meticulous problem-solver who improves both usability and reliability—whether in lab hardware or calendar illustrations. He brings a rare blend of academic rigor and pragmatic engineering that accelerates experimental programs and open-source ecosystems alike.
15 years of coding experience
Doctor of Philosophy (PhD) Elementary Particle Physics, Doctor of Philosophy (PhD) Elementary Particle Physics at University of HamburgDiplom (Physik) Physics, Diplom (Physik) Physics at Karlsruhe Institute of Technology (KIT)Study Abroad Physics Physics, Study Abroad Physics Physics at KTH Royal Institute of Technology
English, German, French, Swedish
Github Skills (26)
javascript10
calendars10
css10
open-source10
c1110
c1710
php10
front-end-development10
vue10
html10
vue-jsx10
nextcloud10
webpages9
card9
gtk9
Programming languages (17)
Github contributions (5)
darktable-org/darktable
Jan 2011 - Nov 2015
darktable is an open source photography workflow application and raw developer
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:222 commits, 1 PR, 2 pushes in 4 years 10 months
Contributions summary:Simon primarily focused on updating and maintaining the darktable application's codebase. Contributions involved modifying the user interface (UI) by fixing display issues related to mask visibility, and updating the user interface for presets. Additionally, the user updated various URLs and packaging related to the application. This included updating code in various files and scripts used for darktable.
imagephotographyimage-processingapplication-workflowdarktable
nextcloud/calendar
Dec 2021 - Dec 2021
📆 Calendar app for Nextcloud
Role in this project:Front-end Developer
Front-end DeveloperContributions:16 commits, 1 PR, 1 branch in 1 day
Contributions summary:Simon primarily contributed to the Nextcloud Calendar app by adding illustrations to match various event types. Their work involved modifying the `src/utils/illustration.js` file to include new keywords and associated illustrations for events such as meditation, holidays, and banking. This suggests a focus on enhancing the user interface and improving the visual representation of calendar events within the Nextcloud ecosystem. The commits demonstrate a direct impact on the user experience of the calendar application.
contactscalendarowncloudnextcloudicalendar
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