Open-Ended System Design That Ran Fifteen Minutes Over

The interview was scheduled for 45 minutes. The interviewer gave me a question that was roughly: there is an application that has to call three to five dependency services, and how do you guarantee a specific target for a specific service, for example access latency under 10 seconds and availability above 99%. It didn't feel like a normal design round. It felt like a very open-ended discussion ab…

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