Matěj Laitl
Software Engineer at tonari
Prague, Czechia
Summary
🤩
Rockstar🎓
Top SchoolMatěj Laitl is a pragmatic software engineer and architect with 16 years of experience building backend systems across C/C++, Python, Kotlin and Rust, currently based in Prague and working at tonari. He has led teams and architectures in startups and scale-ups—from backend team lead roles and Google Cloud-focused architecture to hands-on Rust development—and thrives on collaborative, idea-driven environments. An open-source-minded tester, he contributed QA and test automation fixes to the widely used Cython project, improving memoryview correctness and robustness around exception handling. Curious and methodical, he favors data-driven decisions and adopts new languages regularly, having been intrigued by Rust since 2018 and eager to validate it in production.
16 years of coding experience
11 years of employment as a software developer
Master of Engineering (M.Eng.), Engineering Informatics (Fakulta Jaderná a Fyzikálně Inženýrská), Master of Engineering (M.Eng.), Engineering Informatics (Fakulta Jaderná a Fyzikálně Inženýrská) at Czech Technical University in Prague
English, French, Czech
Stackoverflow
951reputation
193kreached
9answers
0questions
Github Skills (19)
python10
testing10
cython10
unit-testing9
cprogramming-language8
c178
c118
c-language8
performance-monitor7
performance-analysis7
cpp7
dockerhub6
rust6
gimp6
docker6
Programming languages (12)
Github contributions (5)
cython/cython
Nov 2012 - Aug 2013
The most widely used Python to C compiler
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:8 commits in 8 months
Contributions summary:Matěj primarily contributed to the Cython project by adding and modifying tests. Their work focused on testing memoryview functionality, including extension types and error propagation within memoryview-returning functions. They also addressed a bug related to the transpose operation on memoryviews and fixed an issue related to calling C++ exceptions within nogil functions, demonstrating a focus on ensuring code correctness and preventing potential errors.
cpython-extensionscpppythonpython-bindingsbig-data
strohel/strohel.github.io
Jun 2020 - Jan 2023
My personal blog and home page based on Reverie Jekyll theme from https://github.com/amitmerchant1990/reverie
Contributions:17 reviews, 5 PRs, 75 pushes in 2 years 8 months
jekylljekyll-thememy-personal-bloghome-pagereverie
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