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December 17, 2025

Senior Flutter Developer

Senior • Remote

$110 - $160/

Warsaw, Poland

About the Role: 

We are seeking an experienced Senior Flutter Developer to join a project for one of the largest foundations in the field of pre-school education in the US. You will play a key role in building a brand-new platform from the ground up, working closely with an international team.


Responsibilities

  • Develop and maintain mobile and web applications using Flutter (Dart, Flutter SDK). 

  • Implement design systems and component libraries in Flutter for both iOS/iPad and web platforms. 

  • Work with state management solutions (Provider, BLoC) and apply SOLID principles in daily development. 

  • Integrate REST APIs/JSON and work with CI/CD pipelines. 

  • Collaborate effectively in an agile, international environment.


Requirements

  • 4+ years of professional experience in mobile application development, particularly with Flutter. 

  • Proven portfolio of commercial projects targeting iOS (iPad) and/or web browsers in Flutter. 

  • Strong understanding of software design patterns. 

  • Experience with REST API/JSON integrations. 

  • Experience with CI/CD tools. 

  • Excellent communication skills. 

  • Fluency in English at C1 level.


Nice to Have

  • Experience with Flutter Web. 

  • Experience with AWS Cloud services (e.g., Amplify). 

  • Experience using GitLab.

 


Additional Information

  • You will collaborate closely with a US-based team. Availability for overlap with US Pacific Time working hours (10:00–14:00 PST).

  • Ability to provide a no-criminal-record certificate