GUIDED PRACTICE
Amazon preparation guide
Build evidence of ownership and technical judgment.
6:00Self-guided practice timer
The timer resets when you leave this page. Save your design separately.Your challenge
Prepare follow-ups on a mistake, a disagreement, and a production failure.
Your design draft
Clarify assumptions, explain your approach, and test the difficult cases. Save your draft, then compare it with the study notes.
Self-review checklist
Self-guided practice. Automated AI feedback and code execution are not connected.