Not "prompt wizard" — someone who can take an ambiguous, high-stakes problem (RAG on a genomics mobile app), choose the right technique, ship a thin reliable slice, measure it honestly, and iterate, while respecting the domain's real constraints (privacy, clinical risk).
In interviews, demonstrate: judgment about when to use RAG vs. alternatives the ability to scope an MVP a habit of measuring (faithfulness, task success) awareness that the hard parts here are privacy and being-wrong, not the embeddings Pair technical depth with product and risk sense.