Szymon Czapracki
Junior Software Engineer at Codecoup
Leszno, Greater Poland Voivodeship
Summary
🤩
Rockstar🎓
Top SchoolSzymon Czapracki is a Junior Software Engineer with eight years of practical experience focused on embedded systems and Bluetooth/IoT stacks, based in Leszno, Poland. At Codecoup he’s moved from summer trainee to engineering roles since 2017, applying hands-on firmware and networking fixes that improve mesh provisioning and Bluetooth audio subsystems. An active contributor to prominent open-source RTOS projects such as Apache Mynewt and Zephyr, he’s tackled real-world interoperability issues—fixing public key mismatches, reworking PACS notifications, and expanding Bluetooth testing capabilities. Trained in electrical engineering at Politechnika Wrocławska, he pairs hardware-aware thinking with software pragmatism, often finding subtle protocol-level bugs others miss.
8 years of coding experience
Elektrotechnika, Elektrotechnika at Politechnika Wrocławska
English, German, Polish
Github Skills (16)
c1710
mesh-network10
embedded-language10
embedded10
zephyr-rtos10
bluetooth-le10
rtos10
btle10
c1110
bluetooth-low-energy10
n10
bluetooth10
realtime9
sys9
provisioning9
Programming languages (2)
Github contributions (5)
zephyrproject-rtos/zephyr
May 2019 - Aug 2023
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:396 reviews, 29 PRs, 356 comments in 4 years 3 months
Contributions summary:Szymon primarily contributes to the Zephyr RTOS project, focusing on Bluetooth audio features. Their work includes implementing configurable support for Packet Audio Control Service (PACS) contexts, including modifications to the shell module for configuration. Additionally, the user addressed inconsistencies in Volume Control Service (VOCS) location settings and expanded testing capabilities, adding support for Volume Control Profile (VCP) and Immediate Alert Service (IAS) in the Bluetooth tester. Furthermore, they reworked the PACS notification system for improved efficiency.
bluetooth-lereal-timezephyrsecuregit-repository
apache/mynewt-nimble
Sep 2017 - Jan 2020
Apache mynewt
Role in this project:Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:76 reviews, 6 commits, 37 PRs in 2 years 3 months
Contributions summary:Szymon contributed to the Apache mynewt repository, specifically focusing on the nimble mesh implementation. Their work involved fixing errors in provisioning, handling public key mismatches, and adding support for toggling reporting features. These changes included modifications to the prov.c and cmd.c files, indicating a focus on improving the stability and functionality of the mesh networking protocol.
javamynewtapache
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