Witold Baryluk
Senior Systems Engineer at IMC Trading
Zurich, Zurich, Switzerland
Summary
👤
Senior🎓
Top SchoolWitold Baryluk is a Senior Systems Engineer in Zurich with 26 years of experience building high-performance, distributed and fault-tolerant systems across finance, cloud, and web domains. He blends deep systems programming (C/C++, Go, Erlang, Python) and OS/kernel expertise with HPC techniques and low-level optimization to squeeze performance and reliability out of large-scale storage and streaming systems. At Google he focused on replicated storage, caching, and overload protection; today he drives reliability, automation and speed in trading systems at IMC. An active open-source contributor, he improved performance and stability of the popular MangoHud Vulkan/OpenGL overlay by eliminating data races and startup issues. Trained in physics and strong in numerical methods, he favors mathematically rigorous, practical solutions to handle massive datasets safely and efficiently.
26 years of coding experience
7 years of employment as a software developer
Mathematics, Computer Science, Mathematics, Computer Science at Liceum Ogólnokształcące nr 2Physics, Physics at Jagiellonian University
Stackoverflow
1reputation
0reached
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Github Skills (12)
vulkan10
c-language10
cprogramming-language10
opengl10
performance-optimization10
system-programming9
linux9
debug9
debugging9
benchmark8
benchmarking8
monitoring8
Programming languages (35)
Github contributions (5)
flightlessmango/MangoHud
Nov 2020 - Oct 2022
A Vulkan and OpenGL overlay for monitoring FPS, temperatures, CPU/GPU load and more. Discord: https://discordapp.com/invite/Gj5YmBb
Role in this project:
Software Engineer (Performance & Optimization)
Software Engineer (Performance & Optimization)Contributions:8 reviews, 20 commits, 11 PRs in 1 year 10 months
Contributions summary:Witold primarily focused on improving the performance and stability of the MangoHud overlay. Their contributions include optimizing code by using smart pointers and removing goto statements, ensuring proper initialization of file pointers to prevent errors, and implementing atomic updates to the `gpuInfo` struct to avoid data corruption. Additionally, they addressed issues related to Mesa Zink, preventing infinite recursion and enhancing startup speed, and disabled lsof warnings to reduce console spam. These changes collectively enhance the overlay's reliability and efficiency.
cpubenchmarkingfpsvulkandiscord
baryluk/erljs
Apr 2010 - Dec 2011
Contributions:246 commits in 1 year 8 months
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