Karol聽Grabowski
Senior Frontend Engineer at OLX
Gdynia, Pomeranian Voivodeship, Poland
Summary
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Senior馃帗
Top SchoolKarol Grabowski is a Senior Frontend Engineer with 11 years of experience building user-focused web applications across legal, fintech, and adtech domains, now based in Gdynia, Poland. He has led frontend teams at companies like Atlassian, Adylic and Vernaio, driving migrations to monorepos, implementing design systems, and building complex data visualizations with Chart.js and HTML Canvas. Comfortable shipping at scale, Karol has hands-on experience with CI/CD pipelines, VS Code and Figma extensions, and integrating frontend work into large ecosystems such as Jira/Forge. His background as a trained legal professional gives him a rare ability to translate regulatory and business requirements into precise, auditable UI solutions. Currently contributing senior-level frontend leadership at OLX, he combines pragmatic engineering with a knack for optimizing performance and developer workflows.
11 years of coding experience
6 years of employment as a software developer
Radca Prawny, Radca Prawny at Aplikacja Radcowska w Okr臋gowej Izbie Radc贸w Prawnych w Gda艅skuHarvard's CS50, Harvard's CS50 at edXJavaScript Developer, JavaScript Developer at freeCodeCampMagister (Mgr), Magister (Mgr) at University of Gdansk
Polish, English
Stackoverflow
1,401reputation
364kreached
1answer
1question
dom-events
top-5%
addeventlistener
top-5%
javascript
top-5%
testing
top-1%
Github Skills (6)
testing10
addeventlistener9
javascript9
dom-events9
swagger6
nestjs6
Github contributions (2)
arcydemon/linear-sth
Feb 2018 - Feb 2018
Contributions:5 pushes, 1 branch in 1 day
allegro/allegro.tech
Mar 2015 - Apr 2015
Contributions:14 commits in 27 days
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