Krzysztof Krolczyk
Senior Embedded Engineer at JUCR
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolKrzysztof Krolczyk is a Senior Embedded Engineer based in Berlin with 11 years of experience building production-grade firmware and systems for automotive, industrial, and consumer devices. He designs and ships end-to-end embedded products—from SoC selection and low-level drivers to factory software and production rollout—with recent projects using Rust on STM32 and i.MX8/RPi2040 platforms. His background spans Linux kernel and Yocto/Buildroot work, real-time MCU development, and hardware diagnostics, reflecting a rare blend of software depth and hands-on electrical measurement skills. An active contributor to the embassy-rs embedded Rust framework, he focuses on practical system integration, I2C/Ethernet tweaks, DFU docs and code hygiene that improve real-world deployability. Colleagues rely on him for complex porting tasks, CI/CD automation for head units, and security incident analysis. He holds dual M.Sc. degrees in Civil Engineering and Electronics & Telecommunications, an unusual combination that underlines methodical engineering and systems thinking.
11 years of coding experience
10 years of employment as a software developer
Msc. Eng. Civil Engineering, Msc. Eng. Civil Engineering at Wrocław University of Science and Technology
polish (c2), english (c1), German
Github Skills (12)
i2c10
embedded10
rust10
driver10
stm10
sys10
async10
hal10
dfu9
ethernet9
docker4
dockers4
Programming languages (3)
Github contributions (5)
embassy-rs/embassy
Oct 2023 - Feb 2025
Modern embedded framework, using Rust and async.
Role in this project:
Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:4 PRs in 1 year 4 months
Contributions summary:Krzysztof primarily contributes to the `embassy-rs/embassy` repository, a modern embedded framework written in Rust. Their contributions include updates to linker files for STM32 bootloader examples, adding flexibility to I2C communication, and disabling multicast filtering in the Ethernet module. They also improved logging messages and addressed Clippy issues within the codebase, demonstrating a focus on code quality and system integration. Additionally, they added documentation strings for DFU.
driversrustembeddedhalasync
kkrolczyk/embassy
Mar 2024 - Feb 2025
Modern embedded framework, using Rust and async.
Contributions:13 pushes, 8 branches in 11 months
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