Ralf Biedermann
Lead Senior Engineer Technology (Group Photovoltaics) at VON ARDENNE GmbH
Dresden, Saxony, Germany
Summary
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Senior🎓
Top SchoolRalf Biedermann is a Lead Senior Engineer with 13+ years driving process-to-production delivery of heated PVD manufacturing tools for solar cells, currently leading a team of 10 research engineers at VON ARDENNE in Dresden. He combines deep process technology and R&D expertise with advanced analytics and Six Sigma rigor to commission, ramp up and optimize complex production equipment. Comfortable in roles from hands-on design and CAD to SAP-driven operations and minor project management, he bridges science and manufacturing execution. An accomplished experimentalist (Dr. rer. nat., summa cum laude) with a background in in situ X‑ray diffraction and thin film coatings, he also contributes to open-source projects—improving user experience and audio/video functionality in the long-running enigma2 project—reflecting a practical software interest alongside his hardware focus.
13 years of coding experience
7 years of employment as a software developer
Dr. rer. nat. Dipl.-Chem., Chemistry, Summa cum laude, Dr. rer. nat. Dipl.-Chem., Chemistry, Summa cum laude at Universität Leipzig
Github Skills (9)
od10
configuration-management10
ose10
python10
enigma210
audio-processing9
user-interface9
embedded8
sys8
Programming languages (6)
Github contributions (5)
openatv/enigma2
May 2013 - Jul 2017
openatv-gui
Role in this project:
Back-end Developer
Back-end DeveloperContributions:110 commits in 4 years 2 months
Contributions summary:Ralf primarily contributed to the openatv/enigma2 repository by modifying core system files related to the user interface and system settings. Their work includes adding features like AAC transcoding, 3D surround sound configurations, and auto-volume controls within audio settings and video mode. Additionally, they improved the service info display by adding videomode. These modifications indicate a focus on enhancing the user experience and expanding the functionality of the openatv-gui.
oe-alliancegui
Kat-CeDe/oe-alliance-plugins
Sep 2015 - Nov 2018
required oe-alliance plugins
Contributions:4 pushes in 3 years 2 months
ethereumallianceoe-alliance
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