Time When You Failed

Behavioral Interview Guide

Interview Question: Tell me about a time you failed. What did you learn from it?

Everyone fails. What separates great engineers is how they respond—taking ownership, learning deeply, and emerging stronger. This question tests self-awareness, honesty, and growth mindset.

What Interviewers Are Looking For

  • Honesty: Can you admit to a real failure?
  • Ownership: Do you take responsibility?
  • Self-Reflection: Did you analyze what went wrong?
  • Growth: What concrete changes did you make?

Choosing the Right Failure

✓ Strong Answer

"I pushed a change that caused a 45-minute production outage. I skipped the full test suite because I was confident. The bug only appeared under high load. I immediately owned the mistake in our incident review—no excuses. I learned that confidence isn't a substitute for process. Now I never skip tests, and I championed adding load testing to our CI pipeline. Haven't had a similar incident since."

💡 Pro Tip

Own the failure completely. Show genuine learning. Demonstrate how you've changed. The interviewer isn't looking to disqualify you—they're looking for evidence of growth.