Senior Flutter Developer

Industry: IT

Rate: up to 165 PLN/h

Location: 100% remote

Form of cooperation: B2B

ROLE SUMMARY :

We are seeking a highly skilled Senior/Lead Mobile Developer with a strong background in Flutter to join a leading logistics and parcel delivery company. The ideal candidate will have over six years of mobile app development experience with hands-on work in Flutter and Dart. You will play a critical role in the design, development, and maintenance of cross-platform mobile applications, contributing to efforts that emphasize innovation and user experience.

MAIN RESPONSIBILITIES:

• Design and develop cross-platform mobile applications using Flutter.

• Implement best practices for clean, reusable, and maintainable code.

• Optimize app performance for various devices and screen sizes.

• Collaborate with product managers, designers, and backend engineers to define app requirements.

• Integrate APIs for seamless data flow with backend teams.

• Utilize third-party libraries, tools, and SDKs as required.

• Apply SOLID principles and best practices in software development.

KEY REQUIREMENTS:

• 6+ years of experience in mobile app development.

• 3+ years of hands-on experience with Flutter and Dart.

• Strong understanding of mobile design patterns (BLoC, Provider, Riverpod, MVVM, etc.).

• Experience with State Management, asynchronous programming, and app lifecycle.

• Knowledge of mobile app architecture, RESTful APIs, and JSON.

• Experience with app distribution and publishing to App Store and Google Play.

NICE TO HAVE:

• Experience integrating with Firebase, GraphQL, or cloud services (AWS, GCP, Azure).

• Knowledge of native Android (Kotlin) or iOS (Swift) development.

• Experience in performance optimization and mobile security.

• Familiarity with modular app architecture or multi-package projects.

• Previous experience as a tech lead or team mentor.