Katkat
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Fault-Tolerant Queue Coding and Online Devbox Design Phone Screens

OpenAISoftware Engineer · Technical Screen · Oct 2026

I interviewed last week. After work I prepared on and off for over a month, and I went through basically all the questions on the forum. The phone screen was two rounds, one coding and one design. The coding question was a fault tolerant queue. I had to implement enqueue, reserve, fail and a DLQ, and they gave unit tests that all had to pass. The first part went fairly smoothly and all the tests…

Shared by a candidate · reported Oct 2026. Interview formats change; use it as a guide, not a script.