Of Backend Engineering Better |work| - Udemy Fundamentals

Backend engineering is not linear. While your Udemy course likely teaches synchronous code (wait for the database, then send the email, then return the response), real-world backends must handle thousands of users simultaneously.

It explains the nuances between synchronous and asynchronous processing, including message queues and pub/sub models. udemy fundamentals of backend engineering better

When the course covers TCP or HTTP, open Wireshark and inspect your own local traffic to see the packets in real-time. Backend engineering is not linear