Cezary Bartoszuk
Senior Software Engineer at Snowflake
Podkowa Leśna, Mazowieckie, Poland
Summary
🤩
Rockstar🎓
Top SchoolCezary Bartoszuk is a Senior Software Engineer with 14 years of experience building and leading teams that deliver reliable, large-scale backend systems across companies like Snowflake, Sourcegraph, Twitter and Google. He combines deep distributed-systems expertise—working on Tweet Service, large-scale storage, Kafka and indexing—with hands-on backend and database fixes evidenced by contributions to Sourcegraph’s code-search and repo-cloning tooling. As an engineering manager at Sourcegraph and a long-time individual contributor, he balances shipping practical fixes with improving platform reliability and developer productivity. Trained in computer science (MSc/BSc, University of Warsaw) and with a BA in Philosophy, he brings both technical rigor and a thoughtful, value-driven approach to software delivery.
14 years of coding experience
14 years of employment as a software developer
MSc, Computer Science, MSc, Computer Science at University of WarsawBachelor of Arts - BA, Philosophy, Bachelor of Arts - BA, Philosophy at University of London
English, Polish
Github Skills (7)
database-management10
go10
apidoc9
api9
code-search8
database-design8
code-intelligence8
Programming languages (4)
Github contributions (5)
sourcegraph/sourcegraph-public-snapshot
Nov 2022 - Jan 2023
Code AI platform with Code Search & Cody
Role in this project:
Back-end Developer
Back-end DeveloperContributions:421 reviews, 126 commits, 294 PRs in 2 months
Contributions summary:Cezary contributed to the Sourcegraph project by addressing issues related to the raw endpoint and repository cloning functionality. They implemented a fix for a 404 error in the raw endpoint when cloning a repository and modified code to handle cloning repository states. Furthermore, they added indexing features to `RepoListOptions` improving the filtering functionality related to repository indexing by Zoekt. Their work involved modifying backend code within the command-line interface and internal database components, suggesting a focus on backend development and database interactions.
sourcegraphcode-generationrepo-type-maindeveloper-toolslsif-enabled
cbart/magnify
Aug 2012 - May 2013
Contributions:87 commits in 9 months
software-analysispythondata-visualizationvisualization
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