A customer wants Jev to 'control' their support agent: pick the tool, decide when it is done, escalate when stuck. What do you build?
The pitch is a model that runs the loop. The design that survives production is a loop that code runs, with the model answering three narrow questions inside it: which tool, is this done, does this need a stronger model.
Updated Sep 2026 · Grounded in real Forward Deployed Engineer interview loops and written to a senior-engineer editorial bar.
The pitch is a model that runs the loop. The design that survives production is a loop that code runs, with the model answering three narrow questions inside it: which tool, is this done, does this need a stronger model.
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.
