Jakub Czuchnowski
Senior Software Engineer at Ziverge
Warsaw, Masovian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolJakub Czuchnowski is a Senior Software Engineer with 13 years of experience, specializing in Scala backend development and currently based in Warsaw. He has a track record of technical leadership—co-founding Scalac, serving as its CTO, and transitioning into senior engineering roles where he spans hands-on development, architecture, and team mentoring. Jakub contributes to notable open-source projects like zio, enhancing duration and concurrency primitives, which reflects deep expertise in asynchronous and concurrent programming. His career includes full-stack and enterprise systems work across biotech, finance, and public-sector projects, showing comfort with shifting languages and domains as needed. Known for turning complex requirements into robust, test-driven solutions, he brings both strategic decision-making and practical implementation experience.
13 years of coding experience
17 years of employment as a software developer
Banking, Banking at Wyższa Szkoła Bankowa we WrocławiuMaster of Science, Computer Science, Master of Science, Computer Science at Politechnika Częstochowska
Polish, English
Stackoverflow
1reputation
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Github Skills (9)
asynchronous10
effects10
concurrent-programming10
zio10
functional-programming10
async10
concurrency10
scala10
testing9
Programming languages (8)
Github contributions (5)
zio/zio
Aug 2018 - Jan 2022
ZIO — A type-safe, composable library for async and concurrent programming in Scala
Role in this project:
Back-end Developer
Back-end DeveloperContributions:3 reviews, 20 commits, 12 PRs in 3 years 5 months
Contributions summary:Jakub primarily focused on enhancing the `zio/zio` Scala library by introducing and refining duration-related functionalities. Their contributions involved adding custom duration support, moving duration-related code to its own package, and correcting microsite configurations. They also modified existing test files and added additional tests, demonstrating a commitment to improving the robustness and functionality of the library. These changes showcase an understanding of asynchronous programming and concurrent data structures within the ZIO framework.
functional-programmingqueuesstreamsasynchronicityasync
ScalaConsultants/hyperdrive
Dec 2016 - May 2018
Contributions:26 PRs, 19 pushes, 21 branches in 1 year 5 months
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