Christopher Fenner
Software Engineer
Hamburg, Germany
Summary
🤩
RockstarChristopher Fenner is a software engineer in Hamburg with 11 years of experience building practical, user-focused solutions across both front-end and back-end stacks. He contributes actively to open-source home automation projects—most notably Home Assistant and the popular MagicMirror²—where he improves integrations, UI localization, and device control for real-world smart-home use cases. Comfortable tackling diagnostics, reauthentication flows, and configuration UX, he blends careful backend fixes with polished front-end enhancements. Colleagues know him as a hands-on developer who merges branches, tightens tests, and irons out edge-case file and type issues. Off-hours he balances code with family life and surfing, a detail that speaks to a pragmatic, steady approach to engineering under real-world constraints.
11 years of coding experience
Github Skills (22)
javascript10
python10
asyncio10
camera10
front-end-development10
magicmirror10
home-assistant10
home-automation10
internationalization9
css9
configuration-management9
localization9
iot9
html9
domoticz8
Programming languages (16)
Github contributions (5)
MagicMirrorOrg/MagicMirror
Mar 2016 - Jan 2022
MagicMirror² is an open source modular smart mirror platform. With a growing list of installable modules, the MagicMirror² allows you to convert your hallway or bathroom mirror into your personal assistant.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:2 reviews, 23 commits, 11 PRs in 5 years 10 months
Contributions summary:Christopher primarily focused on enhancing the user interface and expanding the capabilities of the MagicMirror² platform. Their contributions include adding localization features, integrating Font Awesome icons to improve visual representation, and modifying existing modules such as the calendar and clock to utilize the new features. They addressed typos and made adjustments to test cases, indicating a focus on code quality and user experience.
raspberry-piassistantjavascriptsmart-mirrordomotics
JurajNyiri/HomeAssistant-Tapo-Control
Oct 2022 - Nov 2022
Control for Tapo cameras as a Home Assistant component
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:8 reviews, 29 commits, 13 PRs in 1 month
Contributions summary:Christopher contributed to the Home Assistant component for Tapo cameras by modifying various files. Their work included updating camera and binary sensor functionalities and modifying configuration flows. They also implemented changes to the select and button functionalities, including adding and updating relevant components and services. The user also merged branches, indicating integration of code changes from different parts of the project.
tapocameraassistanthome-automationhacs
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