Hleb Valoshka
DevOps Engineer at Self-employed
Belarus
Summary
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RockstarHleb Valoshka is a seasoned DevOps engineer with 16 years of experience building and operating resilient infrastructure across consulting and product environments, now working independently from Belarus. He combines deep systems engineering roots from roles at EPAM and ITRex with hands-on DevOps practice since 2019, focusing on reliable automation, observability, and performance optimization. Beyond infrastructure, Hleb has contributed to open-source graphics and rendering work—improving shader management and memory use in the Celestia real-time 3D visualization project—demonstrating a breadth that spans low-level graphics programming to cloud-native operations. Known for pragmatic problem solving, he brings both legacy systems know-how and modern DevOps toolchains to help teams ship stable, efficient services.
16 years of coding experience
9 years of employment as a software developer
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (13)
rendering10
visualization10
c-language10
glsl10
cprogramming-language10
visualizations10
opengl10
shader10
graphic10
render10
3d10
astronomy9
open-source8
Programming languages (18)
Github contributions (5)
CelestiaProject/Celestia
Jan 2023 - Mar 2023
Real-time 3D visualization of space.
Role in this project:
Back-end Developer & Graphics Programmer
Back-end Developer & Graphics ProgrammerContributions:9 releases, 1022 reviews, 40 commits in 2 months
Contributions summary:Hleb primarily contributed to improving the Celestia project's rendering and shader management. They fixed a bug related to sampled orbits within the core simulation. Additionally, the user updated the shader manager to load GL3 shaders and added support for geometric shaders, enhancing the project's OpenGL capabilities. Further contributions included optimization of memory usage in texture generation and rendering, and fixing issues related to galaxy rendering.
real-timeopengl-es3d-visualizationwebglplanetarium
CelestiaProject/www
Sep 2020 - Jul 2022
Contributions:21 reviews, 11 commits, 31 PRs in 1 year 10 months
celestia
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