This is basically the whole round compressed into one question.
Select a project where you made significant technical decisions and can clearly articulate the trade-offs. Use the STAR method to structure your answer, focusing on the decision-making process and the measurable impact. Highlight how you navigated ambiguity and adapted to changes, aligning with Amazon's Leadership Principles.
Pro tip: Quantify the outcome with specific metrics (e.g., latency reduction, cost savings) and tie your decisions to Amazon's Leadership Principles like Customer Obsession and Ownership. Show that you consider both short-term and long-term implications of your choices.
Briefly describe the project, your role, and the business goal. Keep it concise to focus on the technical decisions.
Outline the key technical challenge, requirements, and constraints (e.g., scalability, latency, budget) that shaped your approach.
Detail the options you considered, why you chose a particular solution, and the trade-offs you accepted (e.g., consistency vs. availability, build vs. buy).
Explain how you executed the plan, any obstacles you encountered, and how you adapted to changes or new information.
Share the measurable results (e.g., performance improvements, cost savings) and what you learned or would do differently.
AI-generated suggestions, not part of the candidate's original notes. May be inaccurate — verify before relying on them.