System Design
Learn how to design systems and prepare for system design interviews
...The materials are geared toward clarity and repeatability, making it useful both for self-study and for quick review before interviews. It emphasizes the why behind design decisions, not just a list of components, so you can explain tradeoffs under constraints like cost, latency, reliability, and growth. Overall, it functions like a practical playbook for learning how large systems are composed, where they fail, and how to reason about improvements.