Node.js for handling user interactions
Redis for caching frequently accessed data to improve response times
PostgreSQL for storing user preferences and shopping behavior
Socket.io integrated to enable real-time push notifications
MongoDB for dynamic storage of deals and user interaction data
React Native for a seamless cross-platform user experience
AWS S3 to store images, promotional content, and other media to ensure quick load times and a responsive user interface as users interact with the app in real-time.