Build a small tool to a loosely defined, shifting spec: clarify, structure for change, adapt mid-session.

Google's 'vibe coding' screen: the spec is deliberately vague and changes mid-interview. The signal isn't the algorithm, it's whether you clarify before coding, structure for change, and keep tests green while the requirements move. Here is how to run that loop.

Updated Aug 2026 · Grounded in real Applied AI Engineer interview loops and written to a senior-engineer editorial bar.