System Design Classroom

What if this happens twice?

Why Just Publishing Events Isn’t Enough

A Good Diagram Is Worth More Than 1024 Words

The Architecture That Gets You Here Won’t Take You There

I used to think testing in production was a bad joke. I was wrong.

What Works in a Monolith Can Break a Microservice

Every Backend Engineer needs to know how to deal with payments.

Event Sourcing is like Time traveling

A survival kit to beat APIs interview.

Transaction Isolation only makes sense if you understand Read-and-Write Anomalies.

Nobody told me I would miss my JOINs when I started in microservices.

No matter what the books say, nobody likes making 20 requests to render a page.