Otto Šabart
Kernel Network Performance - Principal Software Engineer at Red Hat
Brno, South Moravia, Czechia
Summary
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Rockstar🎓
Top SchoolOtto Šabart is a Principal Software Engineer at Red Hat with 15 years of experience specializing in kernel network performance and reliability. He progressed through roles from intern to principal engineer within the same organization, blending deep Linux kernel knowledge with quality engineering and performance tuning. Otto contributes to open-source tooling and DevOps automation—his work on nix-bitcoin improved CI, linting, and packaging to make secure Bitcoin node deployment more reproducible. Based in Brno, he holds a Master's in Computer Systems Networking and Telecommunications and brings a research-informed approach to practical systems problems. Colleagues rely on him to translate low-level kernel behavior into testable, automatable workflows that scale across complex CI/CD environments.
15 years of coding experience
5 years of employment as a software developer
Master's degree, Computer Systems Networking and Telecommunications, Master's degree, Computer Systems Networking and Telecommunications at Brno University of TechnologyBachelor's degree, Bachelor's degree at Brno University of Technology, Faculty of Information Technology
Github Skills (12)
sh10
automation10
script10
automations10
bash10
shell10
nix10
scripting10
cicd10
nixos9
bitcoin8
bitcoins8
Programming languages (13)
Github contributions (5)
fort-nix/nix-bitcoin
Jun 2022 - Aug 2022
A collection of Nix packages and NixOS modules for easily installing full-featured Bitcoin nodes with an emphasis on security.
Role in this project:
DevOps Engineer & Automation Engineer
DevOps Engineer & Automation EngineerContributions:12 reviews, 9 commits, 13 PRs in 1 month
Contributions summary:Otto primarily focused on improving the build and testing infrastructure of the repository. Their contributions include adding and configuring shellcheck to lint shell scripts, fixing linting errors across various scripts, and enhancing build scripts for continuous integration and deployment. They also worked on scripts related to packaging and releasing the software, automating tasks like fetching dependencies and generating deployment artifacts.
full-featuredbitcoindinstallingsecuritynixos
seberm/phockup
Sep 2020 - Feb 2022
Media sorting tool to organize photos and videos from your camera in folders by year, month and day.
Contributions:86 pushes, 27 branches in 1 year 5 months
pythonorganize-photoscameraorganizevideos
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