System design interviews are conducted on whiteboards. Follow his diagramming style to learn how to represent data flow visually. Conclusion
Gaurav doesn't just say "use a load balancer." He teaches the algorithms: Round Robin, Least Connections, and IP Hash (for sticky sessions). He explains that a load balancer sits between the client and the web server, distributing traffic to prevent any single server from becoming a bottleneck. gaurav sen system design
Beyond the code, Sen addresses the "why." System design is ultimately about human behavior. Whether it’s handling a "thundering herd" during a flash sale or managing data shards for a global user base, he frames technical problems as human problems. He focuses on —reminding engineers that a 500ms delay isn't just a metric; it's a frustrated person on the other side of a screen. 5. Mastery through Visualization System design interviews are conducted on whiteboards