How do you version, test, and roll out prompt changes like code?
Prompts are production code that nobody treats like code, until an innocent one-line tweak tanks accuracy. The version-eval-canary-rollback pipeline that AI-native interviewers expect by default.
Updated Aug 2026 · Grounded in real Forward Deployed Engineer interview loops and written to a senior-engineer editorial bar.
Prompts are production code that nobody treats like code, until an innocent one-line tweak tanks accuracy. The version-eval-canary-rollback pipeline that AI-native interviewers expect by default.
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.
