Yaroslav Kolomiiets
Dublin, Ireland
Summary
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RockstarYaroslav Kolomiiets is a seasoned infrastructure-focused software engineer with 15 years’ experience building and operating large-scale systems, specializing in DNS and time synchronization. Based in Dublin, he blends deep systems knowledge with pragmatic engineering—shipping resilient, observable infrastructure components that keep distributed services accurate and discoverable. An active open-source contributor, he has improved peer-exchange and connection handling in the widely used anacrolix/torrent BitTorrent client, demonstrating expertise in peer discovery, throttling, and protocol efficiency. Colleagues rely on him for reliably scalable networking primitives and for translating low-level protocol work into production-ready services. Notably, his attention to time correctness and name resolution reveals a focus on the subtle, high-impact problems that often go unnoticed until they fail.
15 years of coding experience
Stackoverflow
164reputation
8kreached
4answers
0questions
Github Skills (17)
torrent10
networking10
implement10
go10
protocols10
bittorrent10
p2p10
concurrency9
shell6
kill6
linux6
bash6
perl6
grep6
regex6
Programming languages (6)
Github contributions (5)
anacrolix/torrent
Dec 2019 - Dec 2021
Full-featured BitTorrent client package and utilities
Role in this project:
Back-end Developer
Back-end DeveloperContributions:13 reviews, 16 commits, 17 PRs in 2 years
Contributions summary:Yaroslav contributed extensively to the `anacrolix/torrent` repository, focusing on enhancements to the PEX (Peer Exchange) functionality. Their work included adding periodic PEX message delivery, implementing connection tracking, integrating PEX with send throttling, and optimizing the generation of initial PEX messages. These improvements aimed to improve peer discovery and overall efficiency within the BitTorrent client.
full-featuredmagnet-linkbencodetrackerp2p
Plan9-Archive/rd
Mar 2016 - Jan 2019
Contributions:55 commits in 2 years 11 months
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