I went with a story about switching data storage approaches mid-project.
Use the STAR method to structure your answer, focusing on a specific technical decision you made. Highlight the trade-offs you considered, the data or reasoning behind your choice, and the measurable impact on the project. Emphasize how you balanced technical constraints with business needs, aligning with Amazon's customer obsession and ownership principles.
Pro tip: Quantify the impact whenever possible (e.g., reduced latency by 30%, saved $X in costs) and be prepared to discuss what you would do differently if given the chance, showing humility and a growth mindset.
Briefly describe the project, your role, and the problem that required a technical decision. Keep it concise but provide enough background for the interviewer to understand the stakes.
Clearly state the technical decision you made and the alternatives you considered. Discuss the trade-offs (e.g., performance vs. cost, speed vs. scalability) and the criteria you used to evaluate them.
Outline how you executed the decision, including any challenges you faced and how you overcame them. Highlight your technical skills and collaboration with others.
Share the measurable outcomes of your decision, such as improved performance, cost savings, or increased customer satisfaction. Use metrics to make the impact concrete.
Summarize what you learned from the experience and how it has influenced your subsequent work. Show self-awareness and a commitment to continuous improvement.
AI-generated suggestions, not part of the candidate's original notes. May be inaccurate — verify before relying on them.