Qureos

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Senior Software Engineer (Mobile App Developer – React Native)

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We are looking for a hands-on Senior Software Engineer with strong expertise in mobile app development using React Native . The ideal candidate will lead the end-to-end development of our mobile application, ensure high performance and usability, and contribute to both real-time and offline features.


Key Responsibilities

  • Design, build, and maintain cross-platform mobile applications using React Native & Expo.
  • Implement advanced navigation, state management, offline support, and platform-specific customizations.
  • Integrate backend services for authentication, data syncing, real-time updates, and push notifications (Firebase) .
  • Develop reusable components , optimize performance (memoization, lazy loading, code splitting), and ensure top-tier responsiveness.
  • Establish and maintain CI/CD pipelines for automated building, testing, and deployment to app stores.
  • Conduct unit and integration testing , debugging, performance monitoring, and ensure accessibility compliance.
  • Collaborate on web support using React Native Web for maximum code reuse.
  • Manage the full mobile app lifecycle: prototyping → production → analytics → error tracking.


What We’re Looking For

  • 2–4 years of hands-on experience in hybrid mobile development.
  • Strong expertise in React Native, Expo, JavaScript/TypeScript, and the React ecosystem .
  • Familiarity with mobile features: geolocation, camera, background tasks, Firebase notifications .
  • Deep understanding of cross-platform challenges , performance tuning, and differences between iOS & Android .
  • Bachelor’s/Master’s degree in Computer Science or a related field.


Preferred Skills

  • Experience with React Native Web , GraphQL, animations, and app store deployment.

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