Senior Flutter Developer w Gdańsk, Polska

We are seeking a Senior Flutter Developer to design, build, and maintain high‐quality, scalable enterprise grade mobile applications using Flutter. This role requires strong hands‐on development expertise, deep understanding of mobile application fundamentals, and the ability to deliver robust solutions while collaborating closely with architects, product owners, and cross‐functional https://jobeax.com/link/RNRmQdyRDALUziOe

• 7-10 years of experience in mobile application development
• 5+ years of hands-on Flutter experience in production environments
• Experience delivering enterprise-grade mobile applications deployed to app stores
• Hands-on experience implementing production offline-first mobile architectures with bi-directional data synchronization, conflict resolution strategies, and transaction queues.
• Strong experience working in Agile / Scrum environments
• Hands-on experience participating in technical design discussions
• Exposure to guiding or mentoring junior developers is preferred
• Exposure to AI/ML integration in mobile apps and enthusiasm for exploring AI-driven solutions is a strong advantage.

Required Skill Set

• Strong expertise in Flutter and Dart, with experience building scalable mobile applications
• Solid understanding of mobile architecture patterns (MVC / MVP / MVVM, Clean Architecture basics)
• Experience with state management solutions (BLoC, Riverpod, Provider, etc.)
• Proficiency in building modular Flutter applications and reusable UI/components
• Good understanding of Android and iOS fundamentals, lifecycles, and platform limitations
• Knowledge of and ability to leverage iOS and Android platform capabilities, including native features (rich push notifications, app shortcuts, deep OS integration), background tasks, automation, and device-level integrations (sensors, geofencing, NFC, Bluetooth).
• Experience with REST / GraphQL API integration and network handling
• Deep expertise in offline-first architecture: local relational/transactional databases (Drift, SQLite, Realm)
• Knowledge of secure coding practices and basic mobile security concepts
• Experience in performance optimization, memory management, and efficient rendering
• Familiarity with CI/CD pipelines, automated testing (unit, widget, integration), and build processes
• Experience with app store releases, versioning, rollout, and production support
• Strong collaboration skills with backend, QA, DevOps, and product teams

Responsibilities

• Design, develop, and maintain robust Flutter mobile applications
• Architect and maintain local data persistence and synchronization engines, ensuring data integrity across unreliable network conditions and complex offline user flows
• Translate functional and technical requirements into clean, maintainable code
• Collaborate closely with mobile architects to align with platform standards and best practices
• Participate in code reviews, ensuring quality and consistency
• Contribute to technical design and solution discussions
• Identify and resolve performance, stability, and usability issues
• Write unit, widget, and integration tests to ensure application quality
• Support release activities, bug fixes, and production issues
• Mentor junior developers and promote engineering best practices