Senior Flutter Engineer: Mobile Games & Platform Channels

NDA; Warszawa; On-site; PLN 150,000 - 190,000; Full time

Job summary

Enfint, a Warsaw-based game studio, specializes in developing and promoting mobile games. The role focuses on building advanced Flutter/Dart features for high‑quality mobile titles, maintaining polished UI, and delivering smooth animations and responsive interfaces.

You will integrate Firebase, analytics, in‑app purchases, and push notifications while leveraging platform channels to access native Android and iOS capabilities.

Qualifications

• 4+ years of Flutter/Dart experience.
• Deep understanding of widget lifecycle, state management, and animation systems.
• Strong Flutter SDK knowledge, including animations and performance optimization.
• Strong Dart skills, including asynchronous programming and isolates.
• Experience with Bloc/Cubit/Provider patterns and Clean Architecture.
• English at B1+ level.

Responsibilities

• Develop mobile game features with Flutter and Dart.
• Create user interface components, pixel-perfect layouts, and smooth 60/120 FPS animations.
• Integrate Firebase, analytics, in-app purchases, and push notifications.
• Integrate native Android/iOS functionality through platform channels.
• Write and maintain unit and integration tests.
• Profile and optimize application performance using Flutter DevTools.

Skills

Flutter/Dart

Widget lifecycle

Animations

Flutter SDK

Dart async

Bloc/Cubit/Provider

SOLID + Clean Architecture

Platform channels

English B1+

Tools

Firebase

Push notifications

Platform channels

Android/iOS ecosystems

Job description

Enfint, a Warsaw-based game studio, specializes in developing and promoting mobile games. The role focuses on building advanced Flutter/Dart features for high‑quality mobile titles, maintaining polished UI, and delivering smooth animations and responsive interfaces.

You will integrate Firebase, analytics, in‑app purchases, and push notifications while leveraging platform channels to access native Android and iOS capabilities.