Michal Vasko - DevOps Engineer at KAJOT

Michal Vasko

DevOps Engineer at KAJOT

Brno Metropolitan Area Czechia

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Summary

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Rockstar

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Top School

Michal Vasko is a DevOps engineer with 11 years of experience building and operating production infrastructure for gaming and enterprise environments from Brno, Czechia. He administers Kubernetes clusters, implements GitOps pipelines with Argo CD, and authors CI/CD automation that keeps latency-sensitive online games running securely and reliably. An experienced backend contributor and system architect, Michal has made notable open-source improvements to prominent networking and YANG tooling—libnetconf2, sysrepo and libyang—working on session management, notification delivery, binary formats and memory optimizations. He blends deep C-level library work with practical DevOps practices, enabling both low-level protocol robustness and high-availability deployments. Comfortable collaborating across backend and frontend teams, he also brings a testing-minded background from QA and software testing roles that improves observability and error handling across systems. Persistent about code quality and maintainability, he often focuses on refactors and tooling improvements that pay dividends in operational stability.

11 years of coding experience

5 years of employment as a software developer

Bachelor's degree, Information Technology, Bachelor's degree, Information Technology at Vysoké učení technické v Brně

Inženýr (Ing.), Systems Engineering, Inženýr (Ing.), Systems Engineering at Mendelova univerzita v Brně

Github Skills (21)

system-design10

c1110

data-structure10

c1710

data-structures10

xpath10

netconf10

yang10

ssh10

data-validation9

c-language9

git9

cprogramming-language9

logging9

version-control9

Programming languages (5)

ShellC++CAugeasPython

Github contributions (5)

CESNET/libnetconf2

Oct 2015 - Jan 2023

C NETCONF library

Role in this project:

Back-end Developer

Contributions:27 releases, 90 reviews, 1577 commits in 7 years 4 months

Contributions summary:Michal's commits primarily focused on implementing and refactoring features related to the NETCONF session management library, specifically within the context of the libnetconf2 repository. Their work included organizing macros for better compilation, changing the SSH options API, and introducing and implementing session getters. The user also implemented code to handle and manage error handling and logging in addition to the addition of capabilities.

dotnetcsharpliberouternetconf

sysrepo/sysrepo

Mar 2017 - Jan 2023

YANG-based configuration and operational state data store for Unix/Linux applications

Role in this project:

Back-end Developer & System Architect

Contributions:32 releases, 359 reviews, 3209 commits in 5 years 11 months

Contributions summary:Michal primarily focused on refactoring the sysrepo project to improve code quality and maintainability. Key contributions involved refactoring the codebase to remove temporary event sessions and updating data storage. Furthermore, they improved the underlying mechanisms used for notification processing, ensuring proper management of subscriptions and event delivery. The user also made numerous minor improvements to the overall system, including better error handling and formatting.

unixyangyang-modeldata-storelinux

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