Bartosz Rajczyk
Senior Frontend Developer at Opera
Wrocław, Lower Silesian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolBartosz Rajczyk is a Senior Frontend Developer with nine years of experience building performant, maintainable web applications and full‑stack systems from Wrocław, Poland. He blends a strong academic background in big data analytics with hands‑on expertise in JS/TS, microservices, WebGL, and custom tooling, having shipped features across companies like Opera, Devbridge, Vewd and Capgemini. Known for a curiosity-driven approach, he has explored language interpreters, 3D engines and procedural games in personal projects, informing pragmatic, future-proof architecture decisions at work. He consistently prioritizes clean, extensible solutions and performance, and has delivered end-to-end products including static site builders, Flutter apps, and AR management tools. Comfortable collaborating with international teams, he brings both deep technical craft and a penchant for finding elegant, occasionally playful solutions to complex problems.
9 years of coding experience
6 years of employment as a software developer
Master of Engineering - MEng Big data analytics, Master of Engineering - MEng Big data analytics at Politechnika Wrocławska
English, German, Polish
Github Skills (24)
editor9
microsoft9
electron9
visual-studio-code9
typescript9
android-app6
web-components6
flutter5
dotnet5
opc-ua4
azure4
python3
iot3
iot-platform3
android3
Programming languages (8)
Github contributions (5)
Bartor/kompilator
Dec 2019 - Jan 2020
Contributions:59 commits in 1 month
Bartor/parkowa-nie
Apr 2021 - Sep 2021
Illegal parking report app for Android (iOS soon), Flutter.
Contributions:23 commits, 10 PRs, 24 pushes in 5 months
androidflutteriosandroid-appios-app
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