Paweł Zelmański
Backend Developer, F at TIMETOACT GROUP
Gdańsk, Pomeranian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolPaweł Zelmański is a pragmatic backend developer with 11 years of experience building and operating high-throughput distributed systems, currently working with F# at TIMETOACT GROUP. He has driven measurable improvements—such as increasing Rubrikk’s successful crawl rate by 15–40% while shrinking the crawler team from eight to two—by combining strong ownership, performance optimization, and automated testing practices. Comfortable across monoliths and microservices, Paweł brings deep expertise in .NET, C#, F#, SQL, cloud services and observability (Kubernetes, Azure, DataDog, ELK). He mentors engineers at all levels, leads projects end-to-end, and favors pragmatic functional programming patterns to solve hard problems. Pragmatic and process-minded, he not only delivers reliable software but also improves the development workflow to ensure teams ship the right features.
11 years of coding experience
9 years of employment as a software developer
Master's degree Computer Science, Master's degree Computer Science at Gdańsk University of TechnologyBachelor of Engineering - BE Computer Science, Bachelor of Engineering - BE Computer Science at Uniwersytet Warmińsko-Mazurski w Olsztynie
Polish, English
Github Skills (66)
quickcheck10
testing10
fscheck10
random-testing10
csharp10
computation-expressions10
javascript9
generic-programming9
monad-transformers9
unit-testing9
open-source9
jekyll-theme9
lenses9
jekyll9
discriminated-unions9
Programming languages (7)
Github contributions (5)
pzelmanski/pzelmanski.github.io
Apr 2020 - Jan 2023
Build a Jekyll blog in minutes, without touching the command line.
Contributions:2 PRs, 63 pushes, 4 branches in 2 years 8 months
jekyll-blogjekylljekyll-thememinutes
pzelmanski/configs
Mar 2020 - Jun 2023
Contributions:4 pushes, 1 branch in 3 years 3 months
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