Mistakes, Failures and What You Would Do Differently

BehavioralAmazonLast reported October 2026High Frequency
Reported
11× across candidate reports
First seen
October 2025
Last reported
October 2026
Reported outcome
mixed

Problem Overview

A mistake or failure, and what you learned: 11 reports from October 2025 to October 2026, from intern, new-grad, SDE II and applied-scientist loops among others. Hiring managers asked it in two of them. Reported wordings - "Describe a past experience where you made a mistake that had real consequences,…

  • 3 candidate-reported follow-ups — the exact probes interviewers asked, with the trigger for each
  • The rest of the problem statement — full requirements, constraints, and edge cases
  • Approach and trade-offs — what passing candidates did, and the mistakes that sink people
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Verified Source
Every question is reconstructed from multiple independent candidate reports. Verbatim follow-ups, not invented ones.
Codex Fact-Checked
Technical claims, formulas, and scale numbers are reviewed against primary sources.
Interviewer Follow-ups
The exact follow-ups reported by candidates, with the trigger that prompts each one — plus the mistakes that sink people.
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