Flutter Developer

Zerothcode Pvt Ltd; Remote; GBP 40,000 - 70,000; Full time

Job summary

A tech company in the UK is seeking a Flutter Developer to build fast and reliable cross-platform apps. You will work collaboratively on features that enhance user accessibility and security while integrating with various payment APIs. The ideal candidate should have significant commercial Flutter experience, a strong grasp of Dart, and familiarity with CI/CD practices. This role offers an engaging work environment focused on innovation.

Qualifications

• 2–4 years of commercial Flutter experience for Mid-level; 4–6+ for Senior.
• Strong knowledge in Dart and state management techniques.
• Experience with REST/GraphQL APIs and JSON handling.

Responsibilities

• Deliver features in clean, testable Flutter code.
• Integrate various APIs and implement state management.
• Conduct code reviews and mentor juniors.

Skills

Flutter development

Dart programming

API integration

State management

CI/CD

Tools

Figma

GitHub Actions

Firebase

Job description

You’ll build fast, reliable cross-platform apps with Flutter, working from discovery → delivery. You’ll collaborate with Product, Design (Figma) and Backend to ship accessible, secure experiences, integrate APIs/payments, and publish to the App Store and Google Play.

Responsibilities

• Deliver features across iOS/Android with clean, testable Flutter code (Clean Architecture where appropriate)
• Choose and implement state management (Riverpod/BLoC/Provider); build reusable widgets/components
• Integrate REST/GraphQL APIs, Firebase/Push, deep links, analytics, and Stripe / Apple Pay / Google Pay (where needed)
• Handle performance, caching and offline-first sync; manage error/empty states and theming/localisation
• Write unit, widget, and integration tests; maintain CI/CD (Fastlane/Codemagic/GitHub Actions)
• Review PRs, mentor juniors, and contribute to coding standards & documentation
• App store delivery: signing, privacy labels, release notes, phased rollout, crash monitoring (Crashlytics/Sentry)
• Apply security best practices (secure storage, obfuscation, network hardening)

Requirements

• Commercial Flutter experience (Mid: 2–4 yrs; Senior: 4–6+ yrs) with at least one production app you can demo
• Strong Dart and state management (Riverpod/BLoC/Provider); layouts, animations, responsiveness
• API integration (REST/GraphQL), JSON handling, error handling, and offline data patterns
• Experience with CI/CD, code reviews, and Git workflows
• Comfortable collaborating from Figma to production, with accessibility awareness (WCAG)

Nice to have

• Native Android (Kotlin) or iOS (Swift) interop, platform channels, background tasks
• Flutter Web/Desktop, motion/animations, A/B testing & analytics (GA4/Amplitude)
• AWS/GCP/Firebase infra basics; Docker; Sentry/Crashlytics