Stanisław Barzowski
Software Developer at XTX Markets
London, England, United Kingdom
Summary
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Rockstar🎓
Top SchoolStanisław Barzowski is a seasoned software developer based in London with a decade of experience building robust back-end systems, currently contributing at XTX Markets. He spent several years at Google—first as an intern and later as a software engineer—working on language and tooling projects where he improved parsers, lexers, and interpreter features. An active open-source contributor to Google's Jsonnet and go-jsonnet repositories, he has focused on formatter improvements, UTF-8 handling, import sorting and string concatenation, demonstrating attention to developer ergonomics and correctness. His background blends research and product engineering from roles in R&D and technical leadership, and he holds a Master’s in Computer Science from the University of Warsaw. Colleagues would describe him as detail-oriented and pragmatic: he routinely closes subtle bugs and adds tests to harden language tooling. Beyond shipping features, he brings a knack for improving developer workflows and code readability in complex codebases.
10 years of coding experience
9 years of employment as a software developer
Master's degree, Computer Science, Master's degree, Computer Science at University of Warsaw
Stackoverflow
1reputation
0reached
1answer
0questions
Github Skills (17)
testing10
formatting10
text-formatting10
interpreter10
go10
jsonnet10
configuration-management9
parsing9
configuration-file9
parse9
functional-programming9
configurations9
lexical-analysis8
build-automation8
daemon6
Programming languages (11)
Github contributions (5)
google/go-jsonnet
Jul 2017 - Aug 2021
Role in this project:
Back-end Developer
Back-end DeveloperContributions:5 releases, 27 reviews, 167 commits in 4 years 1 month
Contributions summary:Stanisław implemented features and made enhancements within the `google/go-jsonnet` repository, focusing on adding string concatenation capabilities and fixing newline handling in the lexer. These changes involved modifying the interpreter and test files to support string additions and ensure correct parsing of string literals. The user also contributed to object-oriented features and command line functionality, enhancing the overall functionality of the Jsonnet language implementation.
google/jsonnet
Jul 2017 - Aug 2021
Jsonnet - The data templating language
Role in this project:Back-end Developer
Back-end DeveloperContributions:3 releases, 43 reviews, 69 commits in 4 years 1 month
Contributions summary:Stanisław primarily contributed to the Jsonnet project by addressing bugs and improving the formatting functionality. Their work included fixing spelling errors and enabling the reformatting of multiple files within the project. Furthermore, they added the feature for sorting import statements in fmt mode, enhancing code readability. They have also added several tests related to formatting, and added the functionality to decode and encode UTF8 strings.
configurationtemplatingscalaconfigtemplating-language
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