Jan Klesnil
Senior Developer at Seznam.cz
Prague, Czechia
Summary
👤
Senior🎓
Top SchoolJan Klesnil is a Senior Developer based in Prague with 11 years of hands-on experience designing software architectures, optimizing performance, and building full-text search and distributed storage systems. He has been a core engineer at Seznam.cz since 2011 after earlier roles at Jyxo and the Czech Technical University, bringing deep C/C++ roots to large-scale production systems. Jan combines low-level systems expertise with pragmatic architecture design, frequently operating at the intersection of search relevance, storage efficiency, and distributed reliability. Colleagues would note his longevity at a major Czech internet company as evidence of sustained impact and the ability to evolve solutions over long product lifecycles.
11 years of coding experience
4 years of employment as a software developer
Gymnázium Jakuba ŠkodyMaster, Master at Charles University
English
Github Skills (19)
rust9
compiler8
grpc8
standard-library8
rust-lang8
crate7
rust-language7
garbage-collection6
gnome6
gnome-shell6
allocator5
kde-plasma5
tray5
xfce5
system-tray5
Programming languages (4)
Github contributions (5)
pepp-cz/fastrpc
Jan 2017 - Aug 2022
FastRPC library
Contributions:14 pushes, 2 branches, 2 tags in 5 years 7 months
grpc
seznam/fastrpc
Jan 2017 - Nov 2021
FastRPC library
Contributions:7 reviews, 22 commits, 3 PRs in 4 years 10 months
grpc
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