Zurich, Zurich, Switzerland
* Linux Kernel Engineer/Developer * Linux Kernel Maintainer (mainline) of: ** SoC subsystem (ARM/ARM64) ** Devicetree and Devicetree bindings ** Memory controller drivers, 1-Wire subsystem ** Samsung S3C/Exynos ARM and ARM64 architectures ** Clocks, pinctrl, ASoC, PMIC and MUIC drivers for Samsung SoCs and Exynos based boards * In top Linux contributors and reviewers for almost every release in the past few years, 7700+ accepted contributions, see @LWN.net: v6.18, v6.17, v6.16, v6.15 ... v4.0 * Past background in network and system administration * Versatile Linux developer: ** Cloud kernels ** Embedded and Real-Time Linux Kernel ** Embedded Linux systems (Yocto/OpenEmbedded) ** Embedded FW ** Virtualization/QEMU * Highly efficient, organized and versatile software developer: ** Proficient use of Git ** Scripting and automating everything (including usage of continuous integration tools) ** Recently: C (user-space and Linux kernel), Python, Unix shell ** Deep experience with Agile Methodologies (also as Scrum Master, Product Owner) Always looking for interesting Linux kernel projects in all areas, including these completely new to me (I really like challenges!). Github account: https://github.com/krzk Kernel contributions: https://lwn.net/ksdb/developers/show?dev=549 krzk's samsung-soc Linux buildbot project: https://krzk.eu
Mainline Linux Kernel maintenance: - SoC subsystem (ARM/ARM64) - Devicetree and Devicetree bindings - Memory controller drivers, 1-Wire subsystem - Samsung S3C/Exynos ARM and ARM64 architectures - Clocks, pinctrl, ASoC, PMIC and MUIC drivers for Samsung SoCs and Exynos based boards Accepted contributions: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/log/?qt=author&q=kozlowski Maintenance of subsystem, sending pull requests, patch review, contributing. In top Linux contributors and reviewers for almost every release in the past few years, 7700+ accepted contributions, see @LWN.net: v6.18, v6.17, v6.16, v6.15, v6.14, v6.13, v6.12, v6.11, v6.10, v6.9, v6.8, v6.7, v6.6, v6.5, v6.4, v6.3, v6.2, v6.1, v6.0, v5.19, v5.18, v5.16, v5.15, v5.14, v5.13, v5.11, v5.10, v5.9, v5.6, v5.5, v4.8, v4.3, v4.2, v4.1, v4.0; Linux Kernel Development 2016 report.
- Upstreaming Qualcomm ARM64 SoCs -- Interconnects, power management -- Audio/ASoC/ADSP - Realtime Linux kernel / PREEMPT_RT -- Debugging and fixing realtime-specific bugs -- Latency analysis, Realtime evaluation - Code review - Speaker on OSSE 2025, Linaro Connect 2025, Linux Plumbers 2024, OSSNA 2024, EOSS 2024, Linux Plumbers 2023, EOSS 2023 (two talks), Linaro Connect 2023 and OSS 2022 - Mostly developed in/with: Linux Kernel, C
- Realtime Linux kernel - Cloud-optimized kernels - Mostly developed in/with: Linux Kernel, C, Python, Git, Ubuntu, Linux Test Project
- Development of: -- Yocto/Open Embedded Linux for embedded systems -- Linux kernel, BSP, U-Boot -- Encryption, authentication and signing solutions (OpenSSL) -- Safe and secure Firmware-upgrade Over The Air (FOTA) -- Wireless communication (hostapd, drivers, different devices) - System programming - Release and version management - Building and testing infrastructure (Continuous Integration), including testing on real HW (Buildbot, Gtest, Yocto image tests, Ansible) - Mostly developed in/with: Linux Kernel, C, Yocto/OpenEmbedded, Python, Git, Shell, Buildbot