Steffen Liebergeld
Senior Operating Systems Engineer
Greater Dresden Area Germany
Summary
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Top SchoolSteffen Liebergeld is a Senior Operating Systems Engineer with 12 years of experience specializing in secure OS and microkernel-based designs, hypervisor and virtualization technology, and embedded Linux kernel development. Based in the Greater Dresden Area, he leads design and development of L4Re microkernel and hypervisor solutions at Kernkonzept while also acting as key account manager and solution architect for highly secure appliances. His background includes research and prototyping of smartphone security (L4Android/SiMKo3) during a doctoral stint at TU Berlin, bridging academic security research and deployable systems. He contributes to open-source projects such as Gadgetbridge, where he enhanced cross-device music-control integration on Android, showing practical expertise in device communication and notification handling. Known for turning research into products, he also acquires and manages research projects and represents technology at industry events. Colleagues rely on him for pragmatic system designs that balance stringent security requirements with embedded and virtualization constraints.
12 years of coding experience
Diplom, Informatik, Diplom, Informatik at TU-Dresden
German, English, Spanish
Github Skills (10)
android-application10
notification10
pebble10
android-app10
android-applications10
notify10
android-development10
java9
javas9
api-design8
Programming languages (4)
Github contributions (5)
Freeyourgadget/Gadgetbridge
Jun 2016 - Jun 2016
We are on codeberg.org now! https://codeberg.org/Freeyourgadget/Gadgetbridge - Gadgetbridge - A free and cloudless replacement for your gadget vendors' closed source Android applications. Supports Pebble, Mi Band, Liveview, HPlus and more.
Role in this project:
Mobile Developer
Mobile DeveloperContributions:9 commits, 1 PR, 8 comments in 2 days
Contributions summary:Steffen's contributions primarily focused on enhancing the music control functionality within the Gadgetbridge application. They implemented support for handling media session notifications from Android, retrieving and displaying metadata such as artist, track, album, duration, and play state. Furthermore, they introduced and refined the `MusicStateSpec` class and related functionalities for controlling music playback on connected devices, particularly for Pebble smartwatches, by enabling communication of music state. Their work demonstrates a solid grasp of Android notification handling and device communication protocols to synchronize media playback across different platforms.
bandmi-bandandroid-applicationgadgetbridgehplus
stepardo/config
Oct 2016 - Dec 2022
Contributions:96 pushes, 1 branch in 6 years 2 months
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