Holger Hees
Wissenschaftlicher Mitarbeiter at Deutsches Elektronen-Synchrotron DESY
Zeuthen, Brandenburg, Germany
Summary
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Rockstar🎓
Top SchoolHolger Hees is a seasoned full-stack engineer and technical lead with 12+ years of experience building mobile, web and embedded systems, now working as a Wissenschaftlicher Mitarbeiter at DESY. He progressed from Linux administrator and full-stack developer roles into mobile team leadership and lead architect positions at Visual Meta, combining hands-on coding with cross-team delivery and architecture responsibilities. A passionate smarthome enthusiast and active open-source contributor, he has improved core bindings and stability in the widely used openHAB 1.x ecosystem (notably the ComfoAir binding and MySQL persistence fixes). Holger brings deep practical expertise in iOS/Android, backend services and Linux operations, enabling end-to-end ownership from hardware connectors to consumer apps. Based in Zeuthen, Germany, he pairs academic training in Wirtschaftsinformatik with a pragmatic approach to engineering complex systems. Colleagues describe him as a pragmatic technician who enjoys untangling tricky integration and reliability problems.
12 years of coding experience
2 years of employment as a software developer
Diplom, Wirtschaftsinformatik, Diplom, Wirtschaftsinformatik at Technische Hochschule Wildau
German, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (7)
javas10
debug10
openhab10
serial-communication10
java10
mysql9
iot8
Programming languages (21)
Github contributions (5)
openhab/openhab1-addons
Nov 2013 - Aug 2014
Add-ons for openHAB 1.x
Role in this project:
Back-end Developer
Back-end DeveloperContributions:9 commits, 10 comments, 2 issues in 8 months
Contributions summary:Holger primarily focused on improving the `org.openhab.binding.comfoair` binding, adding features and resolving bugs. They added new command types and read values related to EWT (exhausted warmth transfer) parameters. Furthermore, they addressed duplicate key exceptions in the MySQL persistence service and implemented fixes for the `isRaining` functionality. Additional contributions include improving serial data reading in `ComfoAirConnector.java`.
add-onsopenhabaddononsinternet-of-things
HolgerHees/semanticdetection
Dec 2017 - Apr 2021
Contributions:28 commits, 25 pushes, 1 branch in 3 years 5 months
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