Markus Kostrzewski
Software Engineer at Hetzner Online GmbH
Gunzenhausen, Bavaria, Germany
Summary
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Rockstar🎓
Top SchoolMarkus Kostrzewski is a software engineer with 11 years of experience, currently building production systems at Hetzner Online from his base in Gunzenhausen, Bavaria. He focuses on delivering reliable, scalable infrastructure and enjoys collaborating around GitLab, where much of his development activity happens. Comfortable across the stack, Markus brings steady, long-term operational experience to cloud and hosting environments. His background reflects hands-on engineering rather than formal tertiary credentials, highlighting a pragmatic path from secondary education to professional software work. Colleagues value his consistency and deep familiarity with hosting platforms and developer workflows. He pairs practical problem-solving with a preference for contributing directly in collaborative, repository-driven environments.
11 years of coding experience
Abitur, Abitur at Clemens-August-Gymnasium Cloppenburg
Github Skills (84)
security10
gcp10
visual-studio10
dns10
k8s10
monitoring10
dns-record10
linux10
android-tv10
external-dns10
route5310
jellyfin10
kernel10
kotlin10
ingress10
Programming languages (17)
Github contributions (5)
FabLab-Altmuehlfranken/NixOS-Workstation
Aug 2023 - Jan 2026
NixOS-configuration for our workstations
Contributions:38 reviews, 113 PRs, 133 pushes in 2 years 5 months
nixos-configuration
Hayajiro/nixpkgs
Feb 2024 - Aug 2024
Nix Packages collection & NixOS
Contributions:11 pushes, 1 branch in 5 months
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