GeneralBackendDevOps/CloudTable-stakes
IoT
Also written as Internet of Things, IIoT, Industrial IoT, Connected Devices, MQTT
Networks of physical devices (sensors, meters, trackers, smart appliances) that send data to the cloud and receive commands back. Real IoT work covers the device, the connection and the backend that manages thousands of devices at once.
Think of it like
A fleet of delivery vans that all report where they are and can be sent new instructions from head office.
Junior or senior?
A broad label, so find out which layer they worked on: firmware on the device, the cloud backend, or the dashboard.
Senior sounds like
Has dealt with pushing updates to devices already in the field.
Ask them
“Which part did you build: the device, the cloud side, or the app? How did you update devices that were already deployed?”