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BISTEC Global Services (Pvt) Ltd

Senior Flutter Developer

BISTEC Global Services (Pvt) Ltd Colombo, Western Province, Sri Lanka

IT System Custom Software Development · 51-200 employees

8 h ago
Remote flutter Senior (5-10 yrs) Full-time Contractor Sri Lanka
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About the role

Build and maintain production-ready Flutter applications for iOS and Android by migrating existing native apps and implementing new requirements. Collaborate with the client's engineering team to define architecture, state management, and module structures while ensuring high code quality through testing and CI/CD.

What they look for

Flutter Dart Mobile Development iOS Android Architecture State Management REST APIs Authentication Unit Testing Widget Testing Integration Testing CI/CD App Store Google Play Swift

Requirements

Requires 5+ years of mobile development experience with at least 3 years specifically in Flutter/Dart. Candidates must have a proven track record of shipping apps to the App Store and Google Play and possess strong communication skills in English.

Full description

Remote

Full-Time

Contract

At BISTEC, we build engineering teams for global clients. We are looking for an experienced Flutter developer to join a mobile programme for a UK transport technology client, rebuilding a suite of native iOS and Android apps in Flutter. You will work directly with the client’s engineering team and help shape the architecture the rest of the team builds on.

What You’ll Do

  • Build production Flutter apps for iOS and Android from existing native apps and new requirements.
  • Agree architecture, state management and module structure for a shared multi-app codebase.
  • Integrate REST APIs, authentication, local storage and offline sync.
  • Write unit, widget and integration tests and keep CI builds green.
  • Publish and maintain releases on the App Store and Google Play.
  • Work directly with the client team in UK-overlapping hours.

What You’ll Bring

  • 5+ years in mobile development, with 3+ years of Flutter/Dart in production.
  • Apps you have shipped to both the App Store and Google Play.
  • Strong grasp of Flutter architecture patterns and state management.
  • Solid testing discipline and experience with mobile CI/CD.
  • Clear written and spoken English — this is a client-facing role.

Bonus Points

  • Native iOS (Swift) or Android (Kotlin) experience, especially migrating native apps to Flutter.
  • Platform channels, maps, location services, Bluetooth or offline-first apps.
  • Experience working with UK or European clients.

#LI-DNI

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