Does telling the model 'you are an expert' actually work?
The most repeated trick in prompt engineering, and the evidence for it is much thinner than the folklore. A screening question for whether you measure your prompts or inherit them from a thread of screenshots.
Updated Sep 2026 · Grounded in real GenAI, LLM, and AI/ML engineering interview loops and written to a senior-engineer editorial bar.
The most repeated trick in prompt engineering, and the evidence for it is much thinner than the folklore. A screening question for whether you measure your prompts or inherit them from a thread of screenshots.
Lead with where the obvious approach breaks, because that is the judgment they are screening for — most candidates jump straight to the happy path and lose the room.
Then walk the failure back through the pipeline in order, naming the one metric the customer's exec sponsor actually cares about before you propose the fix.