Jacek Kwiecień
Senior Android Engineer at TechBrewery
Wieliczka, Lesser Poland Voivodeship
Summary
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Rockstar🎓
Top SchoolJacek Kwiecień is a Senior Android Engineer with 11 years of experience building mobile apps, AI-enabled features, and workflow automation from Poland. He has a long track record at product-focused teams including Schibsted Tech Polska and now Tooploox, and runs indie projects through TechBrewery. Jacek contributes to Android open-source tooling—most notably improving the EasyImage library by refactoring it to Kotlin and resolving scoped storage and permissions issues—demonstrating attention to platform evolution and developer ergonomics. He blends hands-on engineering with architectural thinking, especially around AI integration and automating repetitive flows. Comfortable across the mobile stack, he brings practical solutions for real-world constraints like Android 10+ storage changes. His background in production engineering management gives him a pragmatic approach to shipping resilient, maintainable apps.
11 years of coding experience
13 years of employment as a software developer
Mgr inż. Zarzadzanie i Inżynieria Produkcji, Mgr inż. Zarzadzanie i Inżynieria Produkcji at Politechnika Świętokrzyska w Kielcach
English, Polish
Stackoverflow
12,547reputation
2.2mreached
87answers
246questions
charts
top-5%
android
top-5%
android-intent
top-5%
Github Skills (14)
permission10
kotlin10
mobile-development10
android10
charts9
android-intent9
ios6
android-studio6
android-fragments6
google-app-engine6
uitabbar6
retrofit6
mpandroidchart6
java6
Programming languages (6)
Github contributions (5)
jkwiecien/EasyImage
Nov 2015 - Apr 2021
Library for picking pictures from gallery or camera
Role in this project:
Mobile Developer (Android)
Mobile Developer (Android)Contributions:38 releases, 119 commits, 63 PRs in 5 years 6 months
Contributions summary:Jacek primarily contributes to the EasyImage library, focusing on Android-specific features. Their work includes refactoring the library to use Kotlin, improving permissions handling, and addressing issues related to scoped storage on Android 10+. They updated the sample application, removing dependencies and streamlining permission requests. The user also fixed bugs and made adjustments to the chooser functionality.
sdk-androidpicturescamerakotlincamera2
jkwiecien/MPAndroidChart
Feb 2017 - Feb 2024
A powerful Android chart view / graph view library, supporting line- bar- pie- radar- bubble- and candlestick charts as well as scaling, dragging and animations.
Contributions:3 releases, 4 pushes, 3 tags in 7 years 1 month
supportingchartschartdraggingradar
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