We review code here, so we like to see our candidates do it too. Here's an exercise in code review, which we expect to take about 2 hours.
We spun up a small application that lets utilities sign up to control devices. A utility administrator fills out a form; then we track the utility name, the type of devices they can control, and the type of control they can exert.
This is very exciting! But to actually control these devices we need to actually have them in our system. So an enterprising junior developer, Alex, has written some code for us to track devices with.
They worked on this for a few weeks, then submitted the PR about a week ago with this description: