Ingo Fischer
Lead Developer Matter
Karlsruhe, Baden-Württemberg, Germany
Summary
🤩
Rockstar🎓
Top SchoolIngo Fischer is a pragmatic lead developer and architect with 11+ years of experience building scalable e-commerce, payment and smart‑home systems, now leading Matter development at the Open Home Foundation. He combines hands‑on Node.js and Java expertise with deep operational experience—PCI‑DSS Level 1 certified, veteran of large payment platforms and real‑time BI systems at Gameforge. A long‑time core contributor to ioBroker (80k+ installs) and maintainer on multiple Smart Home and IoT projects, he focuses on test automation, robust installation flows and resilient networking for constrained devices. Known for bridging product needs and engineering realities, he pairs distributed‑systems design with team leadership, coaching and process optimization. He often surfaces elegant, low‑risk solutions in complex integrations—from Zigbee and Tuya adapters to Matter test improvements—reflecting a curiosity for both embedded IoT and enterprise payment landscapes.
11 years of coding experience
14 years of employment as a software developer
Matthematisch-technischer Assistent, Matthematisch-technischer Assistent at Karlsruhe Institute of Technology (KIT)Mathematisch technischer Assistent Mathematik Informatik, Mathematisch technischer Assistent Mathematik Informatik at Forschungszentrum Karlsruhe
English, German
Github Skills (52)
debug10
javascript10
npm10
tuya10
python10
testing10
iobroker10
ip10
http10
bash10
proxy10
websocket10
networking10
cicd10
iot10
Programming languages (20)
Github contributions (5)
ioBroker/ioBroker.repositories
Apr 2017 - Jan 2023
Repositories for ioBroker project
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:7 reviews, 1278 commits, 1790 PRs in 5 years 10 months
Contributions summary:Ingo focused on enhancing and expanding the testing framework within the repository. Their commits involved adding new tests for package files and the repository's structure, including checks for version consistency. Furthermore, they added logging to tests to aid in debugging and fixed the order of repository entries, improving the overall quality of the testing process. These changes suggest a strong focus on ensuring the reliability and integrity of the ioBroker repository data.
iobrokerrepositoriessmarthome
ioBroker/ioBroker.zigbee
Mar 2019 - Dec 2022
Zigbee communcation with Hue, Xiaomi, Lighttify... via TI CC2xxx USB stick
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:3 reviews, 34 commits, 16 PRs in 3 years 10 months
Contributions summary:Ingo focused on improving the testing infrastructure of the ioBroker Zigbee adapter. They updated the testing setup, migrated tests to a new testing library, and enhanced the package file testing. These changes involved modifying test files, updating test configurations, and integrating a new testing framework, contributing to the overall quality and reliability of the project.
node-redstickcc2530hueusb
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