Doświadczenie

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Starszy Inżynier Android

Kaszuby, Polska · LinkedIn

Android Developer z ponad 11-letnim doświadczeniem w dostarczaniu produktów end-to-end. Kierowałem rozwojem 4 komercyjnych aplikacji Android od zera, od architektury przez development po wydanie w sklepie Play.

Principal Android Developer | Team Leader

Dec 2024 – Jul 2026

Intellias · Kraków, Poland · Remote

Leading a team of 5 Android engineers building an Android-based in-car voice assistant using gRPC and WebRTC for real-time AI communication.

  • Owned architecture, delivery, sprint planning, code reviews, mentoring, stakeholder communication, and security handling.
  • Reduced average weekly meetings per developer from 10 to 5, increasing focus time for delivery.
  • Built an OWASP-based dependency review script that identified 3 vulnerable dependencies and helped remediate 2 critical issues.

Founder | Android Engineer

Jan 2024 – Present

Evento!Kids · Poland · Remote

Co-founded and launched Evento!Kids, a map-based app helping parents find places and events for kids. 10k+ downloads, 3.5k+ places in Poland.

  • Own Android product design and implementation end to end.
  • Implemented custom Google Map logic supporting rotation and camera movement across screens.
  • Shipped to Google Play Store, growing to 10k+ downloads.

Senior Android Developer | Team Leader

Dec 2018 – Dec 2024

Hemmersbach / Fieldcode · Wrocław, Poland · Hybrid

Led a mobile team of up to 6 engineers, owning technical direction, mentoring, and delivery quality for Android and iOS apps used by 500–1,000 field engineers.

  • Built a Kotlin Multiplatform dynamic forms library that enabled backend-driven form changes without app releases, reducing duplicate implementation.
  • Implemented GitLab CI and Azure DevOps workflows with automated unit tests, UI tests, static analysis, and lint/Detekt checks.
  • Ran regular 1:1s and career reviews, contributed to hiring, and conducted about 30–40 technical interviews.

Android Developer

Mar 2018 – Oct 2018

10Clouds · Warszawa, Poland · Remote

Designed the solution for a GIF keyboard and marketplace where users can sell their art while using GIFs from others, like GIPHY.

  • Implemented a custom-animated swipeable cell for RecyclerView.

Android Developer

Feb 2017 – Feb 2018

RST-IT / Software Brothers · Wrocław, Poland

Implemented OCR-based recipe extraction to parse recipe data and store it in the app, supporting a food-waste reduction product.

Android Developer

Jan 2014 – Jan 2017

appreal.net · Łódź, Poland

Supported PhotoMix+, an Android photo-editing app with over 1 million Play Store downloads, implementing sticker features, shipping updates, and fixes.

  • Reduced integration test runtime by 50% using Robolectric.
  • Created reusable sticker UI components that allowed adding the feature to another app in 1 day.