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Krzysztof Serocki

@krzysztofserocki

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Senior Android Engineer at Tilt, leading cross-platform launches and building custom Compose UI seen by 550k+ users.

Poland

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What I'm looking for

I’m looking for a senior Android role at a product company that cares about craft. I want a remote-native role working across time zones with a distributed team.

At Tilt, I lead cross-platform launches for a live-shopping marketplace, including Buy It Now, live-stream tipping, and the notification centre. I built the Android tip jar as a JBox2D physics simulation drawn on Canvas, later recreated from scratch as the open-source GravityJar.

I also co-own the Kotlin Multiplatform data layer and build custom Compose UI for live auctions and collectible box openings. Before Tilt, I worked on Android apps at Bright Inventions and built Android, backend, web, and admin-panel features at Quick Ride. I’m looking for a senior Android role at a product company that cares about craft, remote-native and working across time zones with a distributed team.

Experience

Work history, roles, and key accomplishments

Current

Senior Android Developer

Current

Tilt

Mar 2025 - Present (1 year 7 months)

Project lead for multiple cross-platform features including Buy It Now and Bless the Chat, with hands-on Android development and Kotlin Multiplatform work. Re-architected navigation and built custom Compose UI, while also creating Claude Code tooling and convention guides for the mobile team.

Kotlin Jetpack Compose Kotlin Multiplatform Apollo GraphQL Koin Box2D Canva Amplitude Sentry Navigation 3 CI CD Claude Code

Android Developer

Bright Inventions

Feb 2021 - Mar 2025 (4 years 1 month)

Developed Android apps for various clients, including Relevo, HS Baumappe, VCare, and TMS, with responsibilities spanning offline-first sync, passkey login, and CI/CD pipeline setup. Promoted to Senior Android Developer in 2024.