We are looking for an experienced React Native Developer to build high-quality, scalable, and performant mobile applications for Android and iOS platforms. The ideal candidate should have strong expertise in React Native, mobile architecture, and deep experience integrating with high-performance backend APIs built using FastAPI and microservices architecture.

Key Responsibilities

• Design, develop, and maintain cross-platform mobile applications using React Native
• Integrate mobile applications with asynchronous, high-performance RESTful APIs built using FastAPI
• Consume and handle APIs documented via OpenAPI / Swagger
• Implement secure authentication and authorization using OAuth2, JWT, and token-based mechanisms
• Work with backend teams to integrate MongoDB-based services, including efficient data handling and performance optimization
• Ensure smooth API communication, error handling, caching, and offline support
• Optimize application performance, memory usage, and UI responsiveness
• Implement reusable components and scalable mobile architecture
• Participate in code reviews, debugging, and performance tuning
• Collaborate closely with product managers, designers, and backend engineers
• Support CI/CD pipelines, build automation, and deployment processes
• Assist in publishing and maintaining applications on App Store and Play Store

Required Skills

Mobile Development

• Strong experience with React Native
• Proficient in JavaScript (ES6+) and TypeScript
• Deep understanding of React Hooks, Context API, and component lifecycle
• Experience with Redux / Redux Toolkit or other state management solutions
• Strong knowledge of Android and iOS platform fundamentals

API & Backend Integration

• Strong experience consuming RESTful APIs
• Hands-on experience with FastAPI-based backend services
• Understanding of asynchronous API communication
• Familiarity with OpenAPI / Swagger documentation
• Experience implementing OAuth2, JWT, and secure API access

Databases & Data Handling

• Experience working with MongoDB-backed APIs
• Understanding of data modeling, aggregation, and performance considerations
• Ability to manage large datasets efficiently in mobile applications

Good to Have

• Experience writing native modules using Swift / Kotlin
• Knowledge of GraphQL
• Experience with Firebase (Push Notifications, Analytics, Crashlytics)
• Familiarity with CodePush / OTA updates
• Experience with testing frameworks (Jest, React Native Testing Library)
• Exposure to clean architecture / MVVM patterns