Senior Flutter Engineer
First seen by Alion on Sep 25, 2026.
Senior Flutter Engineer - Fintech Mobile App
About the Role :
We are looking for an exceptional Senior Flutter Engineer to take significant ownership of a production fintech mobile application. Our application handles financial transactions and requires high standards of reliability, security and transaction handling. You will be the primary mobile engineer within a small, senior engineering team and will own the quality and architecture of our Flutter application.
Responsibilities :
- Own Flutter application architecture
- Develop new customer journeys and features
- Integrate backend APIs and financial services
- Implement secure authentication and biometric flows
- Build reliable payment journeys
- Handle transaction timeouts and delayed responses
- Handle interrupted payment sessions safely
- Implement secure local storage
- Integrate push notifications
- Implement deep links
- Maintain multilingual application support
- Optimize application performance
- Handle device and OS compatibility
- Implement analytics and crash reporting
- Build automated mobile tests
- Manage application releases
- Investigate production issues
- Participate in architecture and code reviews
Required Skills :
- Flutter, Dart, Mobile application architecture, State management
- REST APIs, Authentication, Biometrics, Secure storage
- Push notifications, Deep linking, Localization, Automated testing
- Git, CI/CD
- Strong understanding of both Android and iOS application behavior
Fintech Experience :
Experience developing financial applications (Wallets, Banking, Payments, Remittance, Payment gateways) is highly desirable.
The Type of Engineer We Want :
We are looking for someone who takes ownership of the entire mobile experience. You should be comfortable working directly with product, backend and engineering leadership and should be willing to challenge a proposed solution when you believe there is a safer or simpler approach.
Skills
Flutter, Dart, Android, iOS, Mobile App Architecture, Mobile App Designing, REST API