Sitemap - 2025 - System Design Classroom
Happy Teams Build Better Products
Performance Doesn’t Start at SELECT; It Starts at CREATE.
CDC Isn’t the Shortcut You Think It Is
What Uber’s Slackbot Taught Me About Building Smart AI Assistants
Most Engineers Want Both Consistency and Scalability.
Every repeated LLM call is money on fire
Retries Have an Evil Twin: Duplicates
Your Database Doesn't Trust the Server. That's Why It Writes Everything Twice.
High Availability Isn't About Luck
Distributed Transactions Are the Root of All Complexity
Dead Letter Queues Are Not Your Safety Net
You can learn System Design while waiting for your coffee.
Most Systems Get Consistency Wrong
Everything Started with the Promise of Loosely Coupled Systems
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.