Andre Lengwenus
Team Lead at ROSEN
Wietmarschen, Lower Saxony, Germany
Summary
🤩
Rockstar🎓
Top SchoolAndre Lengwenus is a team lead and physicist with 9 years in software engineering and a long tenure at ROSEN where he progressed from development engineer and workgroup manager to Head of Sensor & Algorithm Design and now Team Lead. He combines deep academic rigor—a Dr. rer. nat. in physics—with hands-on experience in algorithms, sensor systems and data science to deliver production-grade solutions in industrial settings. Andre is also an active full‑stack open-source contributor to the widely used Home Assistant project, notably implementing and refining the LCN integration across backend and frontend. Based in Wietmarschen, Germany, he brings a rare mix of scientific discipline and practical product leadership, often bridging low-level signal processing with user-facing configuration and tooling.
9 years of coding experience
9 years of employment as a software developer
Technischen Universität DarmstadtDr. rer. nat., Physics, summa cum laude, Dr. rer. nat., Physics, summa cum laude at Leibniz Universität Hannover
Github Skills (11)
iot10
home-assistant10
internet-of-things10
python10
home-automation10
asyncio10
testing9
front-end-development9
websocket9
mqttnet7
mqtt7
Programming languages (5)
Github contributions (5)
home-assistant/core
Dec 2018 - Jan 2023
:house_with_garden: Open source home automation that puts local control and privacy first.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:137 reviews, 63 commits, 98 PRs in 4 years
Contributions summary:Andre primarily worked on the LCN (Local Control Network) integration for Home Assistant, contributing to both the backend and frontend aspects. They fixed issues related to LCN variable values and added a custom panel for LCN configuration, involving interactions with a frontend module. Further contributions included implementing LCN actions/services and refining unit handling, indicating a deep understanding of the system and its integration with Home Assistant.
raspberry-pipythonhouseprivacy-firstasyncio
alengwenus/lcn-frontend
Dec 2023 - Feb 2025
Home Assistant Panel for configuring the LCN integration.
Contributions:11 releases, 71 PRs, 144 pushes in 1 year 2 months
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