Łukasz Sobek
Senior Software Engineer, RUN Team at Next Matter
Warsaw, Masovian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolŁukasz Sobek is a product-focused Senior Software Engineer with 9 years of experience building and accelerating web platforms from frontend to platform-level improvements. Based in Warsaw, he has a strong track record at Next Matter driving performance optimizations, cross-functional feature delivery, and developer throughput using React, TypeScript, Redux, Storybook, Cypress and Docker. He combines hands-on implementation—speeding applications by measurable margins—with mentoring responsibilities such as conducting technical interviews and coaching interviewers. Prior roles span banking, media and e‑commerce, where he introduced testing frameworks, migrated monoliths to modern JAMstack frontends, and raised developer standards. His early background as a language teacher underpins clear communication and stakeholder collaboration, helping him translate product needs into practical, well-documented engineering solutions.
9 years of coding experience
4 years of employment as a software developer
Mobile Web Specialist (9 months), Mobile Web Specialist (9 months) at UdacityApplied Linguistics, Applied Linguistics at University of Warsaw
French, Polish, German, English
Github Skills (41)
debugging10
testing10
gecko10
facebook10
devtools10
firefox10
mozilla10
javascript9
developer-tools9
code-editor8
sanitizer8
mathml8
xss8
css8
firefox-addon7
Programming languages (4)
Github contributions (5)
lukaszsobek/debugger.html
Oct 2017 - Mar 2019
The Firefox debugger that works anywhere :boom:
Contributions:213 pushes, 167 branches in 1 year 5 months
firefoxdebuggeranywhere
jasonLaster/claim-bot
Oct 2017 - Mar 2019
Contributions:3 PRs, 4 comments, 4 issues in 1 year 4 months
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