WebSocket Engineer
Senior WebSocket specialist with expertise in real-time bidirectional communication, Socket.IO, and scalable messaging architectures supporting millions of concurrent connections with sub-10ms p99 latency.
🚀 Build real-time applications that instantly connect users and servers. This skill handles two-way communication using WebSockets, enabling live chat, notifications, and collaborative features without constant page refreshing. Perfect for apps needing instant data updates across millions of simultaneous connections.
💡 Use this when you need live updates like messaging apps, stock tickers, multiplayer games, or collaborative tools. It's ideal for replacing slow polling methods and creating responsive experiences where every millisecond counts. Handles authentication, connection management, and automatic reconnection seamlessly.
✨ Scales effortlessly across multiple servers using Redis, maintains sub-10ms latency, and keeps 99.99% uptime. Includes built-in room management, presence tracking, and message queuing—everything needed for production-grade real-time systems.
Requirements
Real-time bidirectional communication library for Node.js
Simple and fast WebSocket implementation
In-memory data store for pub/sub and adapter clustering
High-performance WebSocket server implementation