Hi, I’m Sahn
I have decades of experience building large-scale distributed systems.
We make popular YouTube videos on system design with 500K subscribers.
We publish a popular weekly system design newsletter with 600K subscribers.
System Design Interview Book Series
I co-authored with Alex Xu the best-selling book “System Design Interview - An Insider’s Guide: Volume 2”.
It has 13 chapters covering wide-ranging and interesting system design topics. It is available in paperback and online.
System Design 101 GitHub repo
We launched a System Design 101 repo in Oct 2023, and it reached 18,000 stars in 4 days. It’s probably one of the fastest-growing repos in history.