The three things every data engineering interview actually tests, and the three things you use every day. Optimization and interview questions throughout.
Hit Play, lock the phone. Narration is
written for the ear — it never says "as you can see here". Lock-screen and CarPlay controls work,
and the next session resumes at the second you stopped.
⌨️ At a keyboard
Read the lesson notes, then run
the module lab against a real AWS account.
📞 On a support call
Go to the runbooks. Each one
gives the quota, the exact error string, and what AWS Support needs from you.