Your product embeds inside a customer's app. Design auth: SSO, SAML/OIDC, and row-level security.
Enterprise deals die in this design review. The answer has three layers most candidates blur together: who you are, what you can see, and how an embedded product proves both, plus the permission-staleness trap that fails Glean loops.
Updated Aug 2026 · Grounded in real Forward Deployed Engineer interview loops and written to a senior-engineer editorial bar.
Enterprise deals die in this design review. The answer has three layers most candidates blur together: who you are, what you can see, and how an embedded product proves both, plus the permission-staleness trap that fails Glean loops.
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.
