Designed and developed a real-time chat application using WebSocket for instant messaging and WebRTC for seamless video communication.

Built a scalable and fault-tolerant system, leveraging a pub/sub model for real-time communication, resulting in a 150% increase in application usage.

Utilized a modern tech stack including Redis, Kafka, GitHub Actions, OpenAPI, TypeScript, Docker, Docker Compose, Jest, MongoDB, ReactJS, Express, and Node.js.