1. Build and maintain cross-platform mobile applications using React Native and JavaScript. 2. Integrate Firebase services, authentication systems, push notifications, and REST APIs into mobile applications. 3. Collaborate with the development team to create responsive UI components and improve application performance. 4. Debug, test, and optimize mobile applications for Android and iOS platforms. 5. Assist in backend integration using Node.js and participate in feature planning and deployment processes. 6. Work on real-world projects and contribute to scalable production-ready applications.