Jakub Jastrzebski - Director Of Engineering at OLX

Jakub Jastrzebski

Director Of Engineering at OLX

Greater Poland Voivodeship

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Summary

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Senior

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Top School

Jakub Jastrzebski is a Director of Engineering at OLX Group with nearly a decade of experience building scalable web platforms and leading cross-functional teams. He progressed through technical roles from senior frontend engineer to Head of Engineering, driving React migrations, design system adoption, e2e testing, and microservice decoupling for high-traffic sites. Jakub combines hands-on front-end craftsmanship—evident in contributions to large projects like the Wikia codebase—with strategic leadership that emphasizes mentorship, empowerment and innovation. He has worked at global scale (serving hundreds of millions of users at Fandom) and brings practical expertise in caching, deployment (Docker/Kubernetes) and modern front-end stacks. Fluent in translating product needs into robust engineering roadmaps, he also teaches and mentors, reflecting a passion for growing talent alongside systems. Based in Greater Poland, he pairs technical depth with a track record of turning legacy monoliths into maintainable, testable architectures.

9 years of coding experience

10 years of employment as a software developer

Inżynier (Inż.) Informatyka, Inżynier (Inż.) Informatyka at Collegium Da Vinci

Magister inżynier (Mgr inż.) Informatyka, Magister inżynier (Mgr inż.) Informatyka at Poznan University of Technology

Studia magisterskie: Prawo Prawo, Studia magisterskie: Prawo Prawo at Uniwersytet SWPS

Polish, English, szwedzki

Stackoverflow

Stats

31reputation

4kreached

1answer

0questions

Github Skills (5)

css10

mediawiki9

php7

javascript6

react6

Programming languages (4)

JavaShellJavaScriptPHP

Github contributions (5)

Wikia/app

May 2017 - Mar 2019

Wikia Application Code

Role in this project:

Front-end Developer

Contributions:404 commits, 106 PRs, 335 pushes in 1 year 10 months

Contributions summary:Jakub appears to be making front-end UI improvements, modifying the page header, specifically the use of CSS styles. The commits show the addition and refinement of classes, titles, and separators. These changes suggest a focus on enhancing the visual appearance and structure of a specific component.

wikiphpwikiamediawiki

JamesHawking/CityBoard

Apr 2017 - May 2017

Contributions:18 pushes, 2 branches in 20 days

ionic-frameworkionic-appionicangulartypescript

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