Jan Kowalewski
Software Development Specialist at Samozatrudnienie
Greater Poland Voivodeship
Summary
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RockstarJan Kowalewski is a Software Development Specialist with seven years of hands-on experience in embedded systems and IoT development, based in Greater Poland Voivodeship. Operating as a self-employed engineer, he specializes in bringing new hardware platforms to life within real-time operating systems, notably contributing board support, device trees, and documentation to the widely used Zephyr RTOS. His work adding support for CTHINGS.CO connectivity cards (nRF52840 and nRF9161), introducing I2C timeout configurations for SAM0 SoCs, and modernizing examples to MCUmgr demonstrates a practical blend of low-level firmware expertise and system-level integration. He combines independent consultancy agility with open-source collaboration, ensuring his contributions are production-ready and well-documented. Colleagues value his ability to translate hardware constraints into reliable software support and clear developer guidance.
7 years of coding experience
Github Skills (12)
embedded-language10
embedded10
device-tree10
zephyr-rtos10
nrf5284010
microcontroller10
boot9
i2c9
rtos7
bluetooth7
documentation7
bluetooth-le7
Programming languages (9)
Github contributions (5)
zephyrproject-rtos/zephyr
Feb 2019 - Feb 2025
Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.
Role in this project:
Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:46 reviews, 11 PRs, 74 comments in 6 years 1 month
Contributions summary:Jan's primary contributions involve adding support for new hardware platforms, specifically the CTHINGS.CO Connectivity Card nRF52840 and nRF9161, within the Zephyr RTOS. They have added board definitions, device tree configurations, and documentation. Furthermore, the user introduced I2C timeout configurations for SAM0 SoCs and updated example applications. The user also updated existing documentation and examples to use MCUmgr.
bluetooth-lereal-timezephyrsecuregit-repository
cthings-co/zephyr
Sep 2021 - Feb 2025
Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.
Contributions:51 pushes, 9 branches in 3 years 5 months
architecturesscalablegit-repositorysecuresoftware-defined-radio
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