All Tracks
System Design
5 units to master
1
Databases
Every system starts with data. Master storage before anything else.
24 lessons
2
Caching & Performance
The fastest request is the one you don't make. Master caching to 10x performance.
14 lessons
3
Scaling & Load Distribution
One server is never enough. Learn to distribute load across thousands of machines.
15 lessons
4
APIs & Communication
Services don't exist in isolation. Master how they talk to each other.
27 lessons
5
Distributed Systems
The hardest problems in computer science. Master consensus, consistency, and failure.
22 lessons