Senior Flutter Engineer - High-Impact Mobile (Hybrid)

Itcharm; Warszawa; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Hybrid work in Warsaw

International product team

Competitive compensation

Opportunities for growth

Job summary

Itcharm, an international product technology company developing consumer-facing mobile applications for a global audience, is seeking an experienced Flutter Developer to join our mobile engineering team in Warsaw. You will build cross‑platform apps for iOS and Android with a focus on performance and pixel‑perfect UI.

You will collaborate with Design and Backend teams, design modular architectures, and apply testing and profiling practices to ensure quality code.

Qualifications

• 4+ years of commercial Flutter/Dart experience.
• Strong Flutter SDK knowledge: widget lifecycle, state management, animations.
• Advanced Dart skills including asynchronous programming, isolates, generics and mixins.
• Experience with custom UI components and pixel-perfect layouts with 60/120 FPS.
• Experience with Bloc, Cubit, or Provider.
• Knowledge of SOLID and Clean Architecture.
• Hands-on Flutter DevTools and performance profiling.
• Experience with Firebase, analytics, in-app purchases, and push notifications.
• Understanding of iOS/Android ecosystems and platform channels.
• Experience with unit and integration testing.
• Russian language level C1+.

Responsibilities

• Develop and maintain cross‑platform mobile apps using Flutter/Dart.
• Create adaptive, responsive interfaces with smooth animations.
• Design modular, scalable, and testable architectures.
• Resolve rendering, scrolling, rebuild, and memory perf issues.
• Collaborate with Design and Backend teams for a seamless UX.
• Improve code quality via reviews, refactoring, and automated tests.
• Integrate analytics, in‑app purchases, push notifications, and third‑party services.

Skills

Flutter / Dart expertise

Pixel-perfect UI

Architectural skills (SOLID/Clean)

Unit/integration testing

Russian (C1+)

Performance profiling

Firebase analytics and push

Tools

Flutter DevTools

Bloc/Cubit/Provider

Platform channels

Firebase

Job description

Itcharm, an international product technology company developing consumer-facing mobile applications for a global audience, is seeking an experienced Flutter Developer to join our mobile engineering team in Warsaw. You will build cross‑platform apps for iOS and Android with a focus on performance and pixel‑perfect UI.

You will collaborate with Design and Backend teams, design modular architectures, and apply testing and profiling practices to ensure quality code.