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Senior Engineering
Interview Handbook

Mistake Log Template

Printable practice resource: Mistake Log Template.

Communication and reflection ready
Open practice library

How to use this resource

Use this after mocks and drills. The goal is to identify repeated failure modes, not to collect blame.

Resource

Date Round Mistake Root cause Signal affected Next drill Re-test date

Common root causes: unclear constraints, weak timeboxing, hidden reasoning, missing tests, shallow failure analysis, vague ownership, defensive recovery.