Piotr Zierhoffer
Engineering Manager at Antmicro
Greater Poland Voivodeship
Summary
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Rockstar🎓
Top SchoolPiotr Zierhoffer is an Engineering Manager with 14 years of experience building and leading teams that improve testability and developer experience for embedded systems. At Antmicro he progressed from C/C# developer to team leader and now manager, driving Renode-based tooling and automated testing to make hardware emulation part of CI for complex IoT projects. His open-source work includes device tree fixes in the widely used Zephyr RTOS and deep integration of Renode with Google's CFU-Playground to enable emulated TFLite testing, showing a knack for bridging hardware, tooling and ML-on-edge workflows. With a background in distributed systems research and teaching at Poznan University of Technology, he combines rigorous academic grounding with practical platform engineering. Peers describe him as someone who surfaces subtle platform issues—like grammar edge cases and peripheral address bugs—and turns them into robust, testable solutions.
14 years of coding experience
4 years of employment as a software developer
Engineer's degree, Computer Science, Engineer's degree, Computer Science at Poznan University of Technology
English, Polish, German
Stackoverflow
5,053reputation
661kreached
106answers
36questions
Github Skills (35)
embedded-language10
microcontroller10
makefile10
zephyr10
device-tree10
dts10
sys10
dt10
renode10
embedded10
robotframework10
realtime9
embeddedresource9
rtos9
tflite9
Programming languages (20)
Github contributions (5)
renode/renode
Jul 2017 - Jan 2023
Renode - Antmicro's open source simulation and virtual development framework for complex embedded systems
Role in this project:
Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:32 releases, 15 reviews, 540 commits in 5 years 7 months
Contributions summary:Piotr primarily contributed to the Renode framework by addressing issues related to platform descriptions and the interaction of simulated components. They implemented support for strings containing special characters within the platform description grammar, adding unit tests to validate the new functionality. Further contributions focused on platform definition files for various embedded systems, including Tegra and SiFive-based architectures, as well as addressing compilation issues and formatting in the test projects.
risc-vsimulationx86development-frameworkembedded-systems
google/CFU-Playground
Apr 2021 - Dec 2022
Want a faster ML processor? Do it yourself! -- A framework for playing with custom opcodes to accelerate TensorFlow Lite for Microcontrollers (TFLM). . . . . . Online tutorial: https://google.github.io/CFU-Playground/ For reference docs, see the link below.
Role in this project:Automation Engineer / Build & Release Engineer
Automation Engineer / Build & Release EngineerContributions:15 reviews, 45 commits, 26 PRs in 1 year 8 months
Contributions summary:Piotr primarily focused on integrating Renode, a hardware emulation platform, with the CFU Playground project. They developed Robot Framework test scripts and targets for testing the TFLite-based project within the Renode environment. Their contributions involved adding Renode-specific build targets, integrating test automation with Renode, and modifying the project's build system to support the emulation environment, ultimately enabling automated testing of the project's functionality on emulated hardware. They also removed a submodule related to Renode.
machine-learningtflmfasteronline-tutorialtensorflow-lite
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