
Android Developer
For the past six years, he has specialized as a native Android apps engineer, developing apps in Kotlin. Piotr has worked on a diverse range of apps featuring video playback and recording, Bluetooth connection, and VoIP capabilities. He led a team that built an app with over 10 million downloads on Google Play.
Piotr uses industry-standard Android libraries such as Kotlin Coroutines, Material Components, Dagger, Koin, Retrofit, Room, SqlDelight, Firebase, LeakCanary, AndroidX, and JUnit.
Wrote articles about Android programming — primarily focusing on Jetpack Compose — to share knowledge with the community.

Working on personal projects for fun, learning, and experimenting with new approaches to developing Android applications. Technology stack: Jetpack Compose, Material Components, Coroutines, Flow, SqlDelight
Remember the pill: The application helps users who take medicines daily - shows reminders, and allows tracking of whether the medication was accepted or not. https://play.google.com/store/apps/details?id=net.chmielowski.pill
Random choice: Straightforward open-source application with one functionality - the user can enter a few options, and the app will choose using a random generator. Play Store: https://play.google.com/store/apps/details?id=net.chmielowski.randomchoice Github: https://github.com/pchmielowski/RandomChoiceApp

Development of the Android application for managing calls generated by the CallPage system.

Developing the mobile app for the client for the Pega7.

Working in Scrum methodology on the Titansim - the framework used to perform load tests on 4G IP Multimedia Subsystem networks.
Engineering excellence
Piotr’s overall performance in a 90-minute live technical assessment ranks in the top 5% of vetted Android Developers at Proxify.







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