Describe an escaped defect that changed how you tested.

Instruction: Use a real example, identify your own contribution and distinguish verified outcomes from what you could not measure.

Context:

Tell the interviewer about a defect that reached users despite pre-release testing. Explain the customer impact, how you helped contain or investigate it, the specific coverage or process change and what evidence showed improvement. A real course, open-source or personal project is acceptable when clearly identified; do not invent commercial incidents or results. If you have not handled an escaped defect, say so and describe the closest real learning experience with its limits.

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In a fictional team example, a report export showed a date one day early for users west of UTC. I had verified exported rows against a fixture whose dates were all noon UTC, so my data avoided the boundary that mattered...

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