Mobile Developer (Flutter) - Gauteng at Sun International

Sun International is looking for a Mobile Developer (Flutter), a developing technical contributor who builds and maintains features in cross-platform mobile apps using Flutter and Dart. Working under the Senior Mobile Developer and Team Lead, the role focuses on UI development, backend integration, and writing well-tested code within a regulated iGaming environment.

Job Description

• The Mobile Developer (Flutter) is a developing technical contributor who builds and maintains features within Sun International’s cross-platform mobile applications using Flutter and Dart. Working under the guidance of the Senior Mobile Developer and Team Lead, the role focuses on implementing UI components, integrating with backend services, and writing well-tested code, building proficiency in mobile development practices within a regulated iGaming environment.

Core behavioural & Technical / proficiency competencies:

• Flutter & Dart development (widgets, state management, lifecycle).
• Mobile UI/UX development (responsive layouts, animations, design systems).
• REST API integration (JSON parsing, async/await, error handling).
• Mobile testing (unit, widget, integration, device testing).
• Git version control and CI/CD pipelines for mobile builds.
• Firebase integration (crash reporting, analytics, performance monitoring).
• Mobile security (secure storage, HTTPS, token/auth handling).
• App deployment (Play Store/App Store build, release, and submission process).
• Problem-solving and debugging complex technical issues.
• Agile development experience with cross-functional collaboration.

Job Requirements

Qualifications:

• Bachelor’s degree or diploma in Computer Science, Software Development, or a related field (required)
• Relevant mobile development or Flutter certifications (advantageous)

Experience:

• 4+ years’ experience in mobile application development, with at least 2 years building Flutter applications
• Working proficiency in Dart and a solid understanding of the Flutter widget tree and lifecycle