WebSocket Optimization in REST API using Java Spring Boot

We are looking for an experienced Java Spring Boot developer to optimize WebSocket connections in our REST API. The goal is to handle up to 5000 concurrent users, with connections scaling up every second.

Project Requirements:

> Implement and optimize WebSocket connections for real-time communication.
> Ensure efficient handling of up to 5000 concurrent users.
> Optimize performance and scalability to industry standards.
> Optimize API services for real-time message broadcasting to all connected users.
> Provide comprehensive documentation for the implementation.
> Offer maintenance support post-completion.

Technology Stack:
> Backend: Java 17, Spring Boot
> API: REST API
> WebSockets: Persistent connection handling