More details: What is the primary function of the mobile app? E-commerce Which platforms do you want the app to support? React Native and Flutter for Mobile App development Key Responsibilities Upgrade and enhance the existing mobile application to work with the latest version of React Native. Maintain and improve existing features while ensuring compatibility with updated frameworks. Integrate and manage REST APIs / backend services within the React Native application. Support integration with payment systems such as NACH and UPI. Ensure performance optimization and smooth functioning across mobile devices. Required Skills & Experience Strong understanding of React Native platform for mobile app development. Hands-on experience working with current and previous versions of React Native. Experience in API integration and RESTful services.