Mateusz Kowalski
Principal Software Engineer at Red Hat
Zurich, Zurich, Switzerland
Summary
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Rockstar🎓
Top SchoolMateusz Kowalski is a Principal Software Engineer based in Zurich with 11 years of experience designing and operating large-scale, secure distributed systems across enterprises, research institutions and government projects. He blends deep hands‑on expertise in Go and Python with a strong SRE and release-engineering background, having driven OpenShift installer, release tooling and CI/CD improvements at Red Hat and contributed to well-known OpenStack and OpenShift projects. A former white‑hat and CERN contributor, he pairs network and web application security knowledge with practical platform engineering—optimizing dual‑stack networking, automated deployments and large-scale installer workflows. He also brings product and team leadership experience as a part-time Scrum Master, Product Owner and Tech Lead, which helps him align technical strategy with stakeholder needs. Outside of core engineering he mentors open source communities and has supported STEM outreach at CERN, reflecting a commitment to sharing knowledge beyond the codebase.
11 years of coding experience
9 years of employment as a software developer
Mathematics and Computer Science, Mathematics and Computer Science at University of Wroclaw
Polish, English, German, French
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (35)
kubernetes10
vsphere10
docker10
bare-metal10
python10
apidoc10
scripting10
django10
bash10
load-balancing10
containerization10
dockers10
networking10
cicd10
metal10
Programming languages (16)
Github contributions (5)
openshift/assisted-service
May 2021 - Jan 2023
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:362 reviews, 175 commits, 210 PRs in 1 year 8 months
Contributions summary:Mateusz's contributions focused on improving the functionality and reliability of the `assisted-service` repository. They fixed a bug in a helper function, enabling correct URL generation for deployments. Further, they implemented a feature that allowed overriding default configurations, resolving issues related to the service's behavior. They also contributed to the project's automation and deployment process by adding features and fixing issues within the CI/CD pipelines.
openshift/installer
Apr 2021 - Mar 2025
Install an OpenShift 4.x cluster
Role in this project:Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:14 reviews, 11 PRs, 87 comments in 3 years 11 months
Contributions summary:Mateusz primarily contributed to the OpenShift installer, focusing on dual-stack networking support and platform-specific configurations. Their work included adding kernel parameters for IPv6 on vSphere, and populating network configurations at install time, particularly for platforms like BareMetal, OpenStack, and vSphere. Furthermore, the user implemented changes to soften VIP validations for external load balancers. These changes indicate a focus on improving installation and configuration across multiple environments.
gcpvmsansiblelibvirtopenshift
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