home-assistant/core
Sep 2025 – Sep 2025
1 Month active
Languages Used
Python
Technical Skills
Pythonbackend developmenttesting
Jan Čermák
PROFILE
Jan Čermák
Jan Cermak developed two key features for the Home Assistant ecosystem, focusing on device integration and user customization. In the home-assistant/core repository, he expanded the SmartThings climate integration to support all reported AC preset modes, updating both backend logic and integration tests to enhance user control and configurability. Later, in home-assistant/brands, he delivered an integration for the Fellow Stagg EKG Pro coffee maker, enabling automated discovery and control within Home Assistant. His work demonstrated depth in Python, backend development, and IoT integration, with a focus on robust testing and interoperability, though no major bug fixes were addressed during this period.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
2Total
Bugs
0
Commits
2
Features
2
Lines of code
1,896
Activity Months2
Your Network
1229 peopleWork History
January 2026
1 Commits • 1 Features
Jan 1, 2026January 2026 monthly summary for the home-assistant/brands repository. Delivered a new integration for the Fellow Stagg EKG Pro coffee maker, enabling discovery, control, and automation within Home Assistant. No major bugs fixed this month. Anchored by commit 6436bfe022e19355e6dbe511dbaf25fb217b5ccf (Add Fellow Stagg EKG Pro).
1 Commits • 1 Features
Jan 1, 2026January 2026 monthly summary for the home-assistant/brands repository. Delivered a new integration for the Fellow Stagg EKG Pro coffee maker, enabling discovery, control, and automation within Home Assistant. No major bugs fixed this month. Anchored by commit 6436bfe022e19355e6dbe511dbaf25fb217b5ccf (Add Fellow Stagg EKG Pro).
January 2026
September 2025
1 Commits • 1 Features
Sep 1, 2025September 2025 monthly summary for home-assistant/core: Delivered expanded AC preset mode support in the SmartThings climate integration, updated preset mode handling and tests for greater user control and customization. No major bugs fixed this month. Overall impact includes improved interoperability with SmartThings, richer user configurability, and strengthened test coverage. Technologies demonstrated include Python, Home Assistant core architecture, climate entity design, and integration testing.
September 2025
1 Commits • 1 Features
Sep 1, 2025September 2025 monthly summary for home-assistant/core: Delivered expanded AC preset mode support in the SmartThings climate integration, updated preset mode handling and tests for greater user control and customization. No major bugs fixed this month. Overall impact includes improved interoperability with SmartThings, richer user configurability, and strengthened test coverage. Technologies demonstrated include Python, Home Assistant core architecture, climate entity design, and integration testing.
Activity
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Quality Metrics
Correctness100.0%
Maintainability90.0%
Architecture90.0%
Performance90.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
Python
Technical Skills
Home AutomationIoT DevelopmentPythonbackend developmenttesting
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline
home-assistant/brands
Jan 2026 – Jan 2026
1 Month active
Languages Used
Python
Technical Skills
Home AutomationIoT Development