Piotr Lizończyk
Senior Software Engineer at Google
Zurich, Zurich, Switzerland
Summary
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Senior🎓
Top SchoolPiotr Lizończyk is a Senior Software Engineer based in Zurich with a decade of experience designing and operating large-scale systems in Python and C++ on Linux, currently ensuring reliable access to Google's Borg compute and ML infrastructure. He combines systems engineering and applied cryptography expertise with hands-on SRE work, having previously led teams building hybrid on-prem/cloud platforms and shipping resilient networking and proxy solutions. Piotr has a track record of improving observability, self-recovery, and incident reduction through practical tooling and services, and has refactored and open-sourced tooling during a CERN internship. Trained in automation and robotics (AGH University of Krakow), he brings a methodical, systems-first mindset and a penchant for turning legacy codebases into maintainable, production-grade systems.
10 years of coding experience
5 years of employment as a software developer
Master’s Degree Automation and Robotics, Master’s Degree Automation and Robotics at AGH University of Krakow
English, Polish, German, French
Stackoverflow
416reputation
30kreached
4answers
4questions
Github Skills (50)
ssrf10
scanner10
python10
cryptanalysis10
async10
http10
cryptography10
noise10
web-application9
sql-injection9
security9
methodology9
asgi9
public-key-cryptography9
vulnerabilities8
Programming languages (7)
Github contributions (5)
plizonczyk/noiseprotocol
Feb 2016 - Mar 2020
Noise Protocol Framework - Python 3 implementation
Contributions:84 commits, 29 PRs, 69 pushes in 4 years 1 month
pythonpython-3python-frameworknoisenoise-protocol-framework
CERN-CERT/WAD
Jul 2015 - Feb 2016
Web application/technology detection tool
Contributions:56 commits, 23 PRs, 53 pushes in 7 months
web-application
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