The screen is whether you build for your own replaceability or your own indispensability. Strong answers treat the handoff as a deliverable with a graduation criterion, not a final week of doc-dumping. Here is what to leave behind, how to transfer it, and the trap that sounds generous.
Updated Aug 2026 · Grounded in real Forward Deployed Engineer interview loops and written to a senior-engineer editorial bar.
The screen is whether you build for your own replaceability or your own indispensability. Strong answers treat the handoff as a deliverable with a graduation criterion, not a final week of doc-dumping. Here is what to leave behind, how to transfer it, and the trap that sounds generous.
Interviewers use this to separate the FDE who scales the company from the one who becomes a permanent dependency. The answer that sounds good but fails is 'I wrote great documentation and gave them my number for anything urgent' (the open phone line is the tell that the handoff didn't actually transfer ownership). The held-back follow-up is 'three weeks after you leave, they hit a failure mode you never saw, walk me through what happens' (they want the runbook plus escalation path to carry it, not you).
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