Pawel Kastelik
Senior Mobile Engineer at OLX
Krakow, Lesser Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolPawel Kastelik is a Senior Mobile Engineer based in Krakow with a decade of experience and six years focused on cross-platform Flutter/Dart development, building consumer apps used by 100k+ users. He has a strong track record of improving product quality and metrics—most notably raising an OLX app rating from 1.7 to 4.0 through UX improvements and guided tutorials—while systematically reducing technical debt and enforcing coding standards. Comfortable across the full mobile delivery lifecycle, he leads code reviews, testing, CI/CD and SonarQube-driven quality improvements, and has migrated large design systems to company UI standards. An AGH graduate and co-organizer of Flutter Cracow, Pawel pairs hands-on engineering with community leadership and a pragmatic “one code to rule them all” approach. Outside work he stays active in racket sports and cycling, which he credits for maintaining focus during intensive delivery cycles.
10 years of coding experience
7 years of employment as a software developer
Technican in Computer Science, Computer Science, Technican in Computer Science, Computer Science at Zespół Szkół Łączności w Krakowie // Upper Secondary School of CommunicationsMaster's degree, Management and Industrial Production Engineering, Faculty of Management, Master's degree, Management and Industrial Production Engineering, Faculty of Management at AGH University of Krakow
English, Russian, Polish, German
Stackoverflow
1,052reputation
167kreached
14answers
1question
flutter
top-5%
Github Skills (80)
mobile-development10
windows10
app-framework10
skiasharp10
skia10
dart10
cross-platform10
android10
mobile10
macos10
flutter10
ios10
mobile-game10
desktop10
material-design10
Programming languages (5)
Github contributions (5)
miquido/lint_quido
Mar 2022 - Oct 2022
Collection of Flutter lints that we use and follow in Miquido
Contributions:8 releases, 23 reviews, 8 commits in 7 months
linterlintfollowdartmiquido
paulkastel/JobShopPRO
Apr 2018 - Dec 2019
Program for managing orders, planning and scheduling in job shop production system using popular heuristics alghorithms.
Contributions:31 commits, 2 PRs, 4 pushes in 1 year 8 months
pythonheuristicsproduction-systemschedulingjob
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