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Mobile Developer (Remote)
About this role
A Nigerian company, Sage Grey Technologies Limited, seeks a Mobile Developer (React Native + Expo) for remote work from Lagos. The role involves building cross‑platform mobile apps for iOS and Android, collaborating with product, design and backend teams, and ensuring performance, security and maintainability. The employer operates as a venture studio focused on technology startups and investments. The position is contract‑based and remote, with responsibilities spanning development, integration, deployment and collaboration. Must have completed NYSC and be able to publish apps on app stores via Expo and related tools.
What you would do
- Design, develop and maintain cross‑platform mobile apps using React Native and Expo
- Build reusable, scalable mobile components
- Convert UI/UX designs into responsive interfaces
- Integrate RESTful APIs and third‑party services
- Implement authentication flows, push notifications, deep linking and navigation
- Manage application state with modern state management solutions
- Optimize apps for performance and reliability
- Debug issues on Android and iOS
- Handle builds and deployments using Expo Application Services (EAS)
- Publish and manage apps on Google Play Store and Apple App Store
What they are asking for
- Strong experience building mobile apps with React Native
- Hands‑on experience with Expo and Expo Application Services (EAS)
- Strong knowledge of JavaScript and TypeScript
- Experience with React Hooks and functional components
- Understanding of mobile app architecture and lifecycle
- Experience with navigation libraries (React Navigation)
- Experience with state management tools (Redux, Zustand, Context API)
- Ability to integrate REST APIs and third‑party SDKs
- Experience with local storage solutions (AsyncStorage, SQLite, SecureStore)
- Understanding of mobile authentication and security best practices
Listing details are summarised from the source. Always confirm the role and the employer on the original posting before applying, and never pay to apply for a job.