Flutter Developer

#flutter
Company: X-FLOW
Product : Happy Color

We are looking for a Flutter Developer.

Requirements:

4+ years of Flutter/Dart experience with solid understanding of widget lifecycle, state management, and animation system.
Strong knowledge of Flutter SDK (animations, adaptive UI, rendering, performance tuning).
Proficiency in Dart (async programming, isolates, generics, mixins).
Experience building custom UI components, pixel-perfect layouts, and smooth 60/120 FPS animations.
Deep understanding of Bloc / Cubit / Provider and clean architectural principles (SOLID, Clean Architecture).
Hands-on experience with Flutter DevTools for performance profiling and optimization (scroll, rebuilds, memory).
Ability to integrate Firebase, analytics, in-app purchases, and push notifications.
Understanding of Android/iOS ecosystems and platform channels for native integrations.
Experience writing and maintaining unit and integration tests.
Russian - C1/higher, English - B1+.

Reach out directly @iliasik