RejectedTechnical Screen

An Unfamiliar IoT Log-Platform Design Question

OpenAISoftware Engineer · Technical Screen · Sep 2026

Coding: KV store. System design: This seemed to be a new question. I don't think I'd seen it in interview reports. Design an IoT log platform: Large numbers of devices continuously collect logs both online and offline, and upload them in batches when online. The platform can also send requests to devices asking them to record particular types of logs. The platform needs to receive and store logs…

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