Aleksander Piotrowski
Freelance Android Developer at Grubhub
Warsaw, Masovian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolAleksander Piotrowski is a seasoned Android developer and technical lead with 11+ years of professional experience and a much longer history in software engineering dating back to the early 2000s. Based in Warsaw, he blends hands-on app development, architecture and team leadership—working as a freelance Android developer while leading Android teams at companies like Grubhub, stanwood and Tango Digital Agency. His background spans embedded and backend systems as well (VoIP, secure messaging, payment/white-label banking features), giving him rare end-to-end perspective when designing mobile clients and backend integrations. He has shipped SDKs and high-scale consumer services and is comfortable moving between prototyping and production-grade engineering. Notably, his career began in systems and platform roles (OpenBSD ports, telecom media servers) which informs a strong emphasis on reliability, security and performance in mobile projects. He combines multidisciplinary experience with a pragmatic, product-focused approach to delivering scalable mobile solutions.
11 years of coding experience
13 years of employment as a software developer
Faculty of Mathematics, Informatics and Mechanics, Faculty of Mathematics, Informatics and Mechanics at University of Warsaw
English
Stackoverflow
9,972reputation
1.2mreached
101answers
0questions
android-recyclerview
top-1%
gradle
top-5%
java
top-1%
android-studio
top-5%
arm
top-5%
gcc
top-5%
Github Skills (66)
spock10
android-recyclerview10
java10
android-app10
android10
push-notifications9
gcc9
arm9
kotlin9
gradle9
android-studio9
testing8
react8
ios8
react-native8
Programming languages (7)
Github contributions (5)
robospock/RoboSpock-tutorial
Sep 2014 - Dec 2015
Contributions:33 commits, 16 pushes, 6 branches in 1 year 2 months
pelotasplus/nasaneo-android
Jul 2020 - Aug 2024
Contributions:5 PRs, 2 pushes, 10 branches in 4 years 1 month
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