Senior Mobile Developer (Flutter) at Sun International

Job Description

• The Senior Mobile Developer (Flutter) is a hands-on technical specialist responsible for designing, building, and maintaining Sun Internationals cross-platform mobile applications using Flutter and Dart.
• The role owns the mobile application architecture, drives performance and quality standards, and ensures a seamless, engaging player experience across iOS and Android.
• Working within the Client & Mobile Experience team, this developer will deliver features spanning game lobbies, live betting, player wallets, promotions, and responsible-gaming controls, all within a regulated iGaming environment.

Core behavioural & Technical / proficiency competencies:

• Flutter & Dart (architecture, state management, widget design)
• Mobile UI/UX (animations, responsive layouts, accessibility)
• iOS & Android Platform Knowledge (platform channels, store policies)
• API Integration (REST, GraphQL, WebSockets, caching)
• Mobile Testing (unit, widget, integration, device matrix)
• CI/CD for Mobile (Codemagic, Fastlane, Azure DevOps)
• Crash Analytics & Performance Monitoring (Firebase, Sentry)
• Mobile Security (secure storage, certificate pinning, biometrics)
• Push Notifications & Deep Linking
• Understanding of localisation, multi-currency support, and regional compliance
• Problem-Solving & Analytical Thinking
• Collaboration & Communication
• Agile & Adaptable
• Customer-Centric Orientation
• Execution & Delivery Focus
• Innovation & Continuous Improvement
• Attention to Detail

Job Requirements

Qualifications:

• Bachelor’s degree in computer science, Information Technology, or a related field (required)
• Microsoft Certified: SQL Server Database Administration (MCSA/MCSE) (advantageous)
• Microsoft Certified: Azure Database Administrator Associate or equivalent (advantageous)

Experience:

• 8+ years’ experience in mobile application development, with at least 3 years building production Flutter applications
• Strong proficiency in Dart and deep understanding of the Flutter framework (widget tree, rendering pipeline, platform channels)
• Proven experience with state management solutions (Bloc, Riverpod, Provider, or equivalent)
• Hands-on experience with app store submission, review processes, and release management for both iOS and Android
• Solid understanding of RESTful API consumption, authentication flows (OAuth 2.0, JWT), and offline-first/caching strategies
• Experience with CI/CD for mobile (Codemagic, Fastlane, Bitrise, or Azure DevOps pipelines)
• Familiarity with Firebase services (Crashlytics, Analytics, Remote Config, Cloud Messaging)
• Working knowledge of native iOS (Swift) or Android (Kotlin) development for platform channel work
• Experience in iGaming, fintech, or other regulated industries (advantageous)
• Exposure to React Native (advantageous)
• Experience with C# / .NET (advantageous)