🧒 Explain like I'm 5
Imagine you built a sandcastle with a moat, but the tide came in and washed it away before you could show your friends. The interviewer wants to know if you can honestly talk about a time your project didn't work out, what you learned from it, and how you changed your approach next time. They're checking if you take responsibility and grow from mistakes.
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Senior-level deep dive: internals, pitfalls, and a self-interview ladder.
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