Mobile App Developer (React Native / Expo)
Mobile App Developer (React Native / Expo)
📍 St Leonards, Sydney | Hybrid | Contract until June 2026
We are seeking an experienced Mobile App Developer to support and enhance a production mobile application used by a large public sector organisation.
This is an exciting opportunity to work on a cross-platform mobile app deployed to both iOS and Android, built using React Native and Expo, and integrated with enterprise APIs and identity platforms.
You will work closely with a Technical Development Lead, Product Owner and QA team, while acting as the dedicated mobile developer responsible for maintaining and improving the application.
The Role
In this role you will:
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Support and maintain a production mobile application
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Implement improvements, bug fixes and feature enhancements
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Ensure ongoing compatibility with mobile platform requirements
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Integrate mobile applications with backend APIs and enterprise authentication systems
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Troubleshoot and resolve mobile build and environment issues
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Contribute to mobile release management and app store deployments
Key Technical Skills
Core Mobile Development
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Strong experience with React Native and TypeScript
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Experience working with Expo (managed and native workflows)
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Experience developing and maintaining cross-platform mobile applications (iOS & Android)
State Management & Data
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Experience with React Query
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Experience with Zustand or similar state management libraries
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Strong understanding of mobile application architecture and lifecycle
API Integration
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Experience integrating mobile apps with REST APIs
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Understanding of secure API access using JWT tokens
Authentication
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Experience implementing OAuth / OpenID Connect
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Experience working with Azure AD B2C or similar identity platforms
Mobile Tooling & Deployment
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Experience with Node.js and Yarn
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Experience troubleshooting builds using Android Studio / Gradle and Xcode
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Experience deploying apps to Apple App Store and Google Play Store
Nice to Have
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Experience with mobile notifications
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Experience integrating with headless CMS platforms
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Experience working in government, healthcare, or regulated environments
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Experience with mobile analytics or Firebase
Work Environment
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Hybrid working model
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St Leonards office location (close to public transport)
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Set office day on Mondays, with additional in-office days as required.