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Sr Flutter App Developer

SunCore Digital London, England, United Kingdom · $165K–$200K/yr

Aug 11
Remote flutter Senior (5-10 yrs) Full-time United Kingdom
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About the role

Build and maintain high-performance, cross-platform mobile applications using Flutter and Dart. Collaborate with backend engineers to integrate APIs and optimize performance across iOS and Android platforms.

What they look for

Flutter Dart Mobile development API integration RESTful APIs Firebase State management Provider Riverpod Bloc CI/CD Performance profiling Debugging UI/UX design Cross-platform development Software architecture

Requirements

Requires 7+ years of mobile development experience with at least 2 years specifically in Flutter. Candidates must possess strong knowledge of Dart, state management, and mobile architecture principles.

Benefits

Deferred compensation Equity Performance bonuses Milestone bonuses Health insurance Dental insurance Vision insurance Annual paid offsite

Full description

Sr Flutter App Developer

Location: Remote (Global) HQ: Bellevue, WA

Team: Engineering

Type: Full-Time Deferred Compensation + Bonuses

We’re looking for a Sr. Flutter App Developer who can build high-performance, cross-platform mobile apps using Flutter and Dart. The ideal candidate has 7+ years of experience, strong API integration skills, and a passion for clean, scalable architecture. This is a remote-first role with deferred compensation until 60 days post-MVP launch, plus equity, bonuses, and annual offsite perks. We value speed, ownership, and collaborative energy.

What You’ll Do

  • Build and maintain cross-platform mobile applications using Flutter and Dart
  • Collaborate with backend engineers to integrate RESTful APIs and real-time data streams
  • Optimize performance, responsiveness, and accessibility across iOS and Android
  • Participate in sprint planning, code reviews, and product discussions
  • Contribute to UI/UX decisions and ensure pixel-perfect implementation
  • Write clean, testable code and maintain CI/CD pipelines for mobile releases
  • Help shape mobile architecture and tooling as we scale

What You Bring

  • 7+ years of experience in mobile development, with 2+ years in Flutter
  • Strong knowledge of Dart, Flutter widgets, and state management (e.g., Provider, Riverpod, Bloc)
  • Experience integrating APIs, Firebase, and third-party SDKs

•Familiarity with mobile performance profiling and debugging tools

  • Understanding of mobile design principles and accessibility standards
  • Bonus: Experience with automated testing, analytics, and release automation

Compensation & Benefits

  • Competitive pay range: Annually depending on experience, location, and portfolio strength
  • Deferred compensation model: All development team compensation is deferred until 60 days post-MVP launch to align incentives—everyone is focused on shipping fast
  • Annual performance bonus (significant portion of total comp)

•Milestone bonuses tied to product delivery

  • Health, dental, and vision plans for U.S.-based hires
  • Annual paid offsite (Caribbean, Hawaii, ski destinations)

Why Join Us

You’ll be joining a lean, driven team at a pivotal moment—helping shape the product, culture, and engineering standards from the ground up. If you’re energized by ownership, speed, and building something that matters, we’d love to meet you.

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