Gaurav | Sen System Design

For the thousands of engineers who have typed “Gaurav Sen System Design” into YouTube or Google, his name has become synonymous with structured, visual, and deeply technical learning. But what exactly is the "Gaurav Sen method," and why has it become the gold standard for system design education?

This is the core of the course. He walks through designing famous systems. gaurav sen system design

A fan favorite. Here, Sen moves beyond simple request-response to and Long Polling . He addresses the "Last Seen" timestamp problem and how to handle presence detection across millions of concurrent connections. He famously contrasts REST APIs (Stateless) with WebSocket Servers (Stateful) and explains how to scale the latter using Redis Pub/Sub. For the thousands of engineers who have typed

It is an investment in your career. The "Building Blocks" section alone is worth the price of admission because it demystifies jargon that senior engineers use daily (e.g., "Should we use a Load Balancer with L4 or L7 proxy?"). He walks through designing famous systems

Most tutorials tell you what a load balancer is. Gaurav Sen shows you why you need one, and more importantly, the trade-offs you make when you pick one over another. What is System Design? | Gaurav Sen