Concepts

Courses

Software engineering, told in video. Start with system design.

system design

Fundamentals

Learn to pick the right architecture — not too much, not too little.

1 chapters · 7 lessons · facil Start ▸
system design

System Design 101

Learn how real systems handle traffic — by choosing, and watching what happens.

2 chapters · 3 lessons · medio Start ▸
Concepts in this lesson
Load balancer Horizontal scaling Replicas Single point of failure Cache Latency (p99) Bottleneck Database
system design

System Design · Campaign

Climb the scaling ladder one incident at a time — pick the right fix, watch the cost, keep the SLO green.

0 chapters · 0 lessons · avanzado Start ▸
databases

Indexes & queries

Why your query is slow — and how one index changes everything.

Coming soon