Chat Buddy is a modern real-time messaging application built for Android using Expo and React Native. The app was designed to provide a fast, secure, and user-friendly communication experience with email-based authentication and seamless real-time messaging capabilities.

Users can create accounts using email authentication or Google OAuth through Clerk, connect with friends using email discovery, and communicate through direct or group conversations. The platform also supports media sharing, profile customization, and scalable real-time interactions powered by Convex.

One of the primary challenges was building a real-time chat experience that remains responsive, reliable, and scalable while handling live conversations, group messaging, and media sharing. Ensuring low-latency synchronization across users required a robust backend architecture.

Another challenge involved implementing a smooth mobile-first experience with secure authentication flows, intuitive navigation, and responsive UI components optimized specifically for Android devices. Managing real-time updates alongside performance optimization and clean state management also required careful development planning.

A scalable mobile architecture was developed using Expo and React Native to streamline development and ensure maintainability. Clerk authentication was integrated to support secure email sign-up and Google OAuth login flows.

Convex was implemented as the real-time backend and database solution, enabling instant message synchronization, live group conversations, and efficient data handling. The application allows users to search for friends via email, create group chats, and exchange files and images seamlessly.

NativeWind was used to build a clean and responsive mobile UI with reusable styling patterns, while optimized component structures and real-time data handling ensured smooth performance throughout the application.

The final product is a fast, scalable, and user-friendly Android chat application that delivers a smooth real-time messaging experience.

Users can securely authenticate, connect with contacts, create group conversations, and share media in an intuitive and responsive environment. The app successfully combines modern mobile UI/UX with reliable real-time functionality, creating a strong foundation for future expansion and cross-platform support.

The development process focused on creating a maintainable and scalable mobile architecture using modern React Native technologies. Reusable components, structured state management, and optimized real-time data workflows were implemented to improve performance and long-term flexibility.

Additional features such as profile updates, avatar management, and group chat functionality were integrated to enhance usability and overall user engagement.

Expo

React Native

NativeWind

Clerk Authentication

Convex

JavaScript / TypeScript

Google OAuth