Senior Flutter Developer (Hybrid - UK)

We're looking for a Senior Flutter Developer to lead the development of our core mobile app. You'll be the Flutter expert on the team, shaping architecture, mentoring others, and driving quality across our iOS and Android releases.

What you'll do

• Lead end-to-end delivery of new features using Flutter and Dart.
• Build performant, scalable, and maintainable mobile applications.
• Collaborate with product, design, backend (Laravel & APIs), and QA to ship clean, tested code.
• Mentor other devs and raise the bar on engineering excellence.
• Drive CI/CD and app store release processes.

Do you have experience in iOS?, * Flutter & Dart (essential) - commercial experience required.

• REST/GraphQL APIs (you'll integrate daily).
• Familiarity with native modules (Swift/Kotlin) is a bonus.
• Git, testing frameworks, CI tools.

Must-have

• 3+ years commercial experience building Flutter apps (not just side projects).
• Strong understanding of mobile UX and performance trade-offs.
• Clean code practices and solid test coverage experience.

Nice-to-have

• Experience with backend APIs (Laravel, Node, etc).
• Experience launching apps in App Store/Play Store.
• Knowledge of modern state management (Bloc/Riverpod/etc).

• Competitive pay + performance bonus.
• Flexible/hybrid work from anywhere in the UK.
• Training budget and conference attendance.
• Tech-forward culture and autonomy.
• 20 days holiday + bank holidays, pension, health benefits.

Why join us You'll have a real voice in the product direction, not just coding tasks. We value autonomy, quality, and ownership - if you care about building great software and growing your career, you'll thrive here.

We're Sector Global - a fast-growing event-tech company building the next generation of mobile experiences for global brands and large-scale live events. Our products power millions of user interactions every year, and we're scaling our apps to meet global demand.