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Piotr C.
Android Developer
Piotr is a professional software developer with eight years of commercial experience. Passionate about technology, he consistently seeks to enrich his skill set.
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.
Main expertise
- Android 8 years

- Kotlin 5 years

- Material-UI 7 years
Other skills
- Firebase 7 years

- JUnit 7 years
- Java 2 years
Selected experience
Employment
Android Developer
AIDDITIVE INC. - 11 months
- Developed the Android application for the Solve.Care healthcare platform.
- Integrated Bluetooth devices for health monitoring.
- Rendered a dynamic, server-driven user interface for interacting with healthcare providers.
Writing articles about Android Programming
Articles about programming - 4 years
Wrote articles about Android programming — primarily focusing on Jetpack Compose — to share knowledge with the community.
Personal projects
Personal projects - 4 years 8 months
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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
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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
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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
Technologies:
- Technologies:
Open source
-
Android developer
Ready4S Mobile Apps & iBeacons for Business - 2 years 2 months
- Worked on Portable North Pole, a multimedia application targeting children that allowed users to watch personalized, interactive videos.
- Led a team of 3 developers responsible for developing the Android applications.
- Developed features including video playback and recording, as well as dynamically built, server-driven user interface components.
Android developer
CallPage - 1 year 7 months
Development of the Android application for managing calls generated by the CallPage system.
Technologies:
- Technologies:
Realm
Sentry
Mobile app developer
Pegasystems - 3 months
Developing the mobile app for the client for the Pega7.
Software Developer and Scrum Master
Ericpol - 1 year 11 months
Working in Scrum methodology on the Titansim - the framework used to perform load tests on 4G IP Multimedia Subsystem networks.
Education
MSc.Acoustic Engineering
AGH University of Science and Technology · 2009 - 2014
Portfolio
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