All day, groups of 2 or 3 engineers at a time came into a windowless conference room and asked questions. Some of them involved solving logic problems, either by writing code on a whiteboard or creating a flowchart showing how you'd solve the problem. It was pretty grueling.

I was asked about projects I've worked on and apps I've made. In hindsight, I would have had my Xcode environment ready on my laptop. (I was not developing on my laptop at the time, so it had an older version of Xcode without code completion, which I use a lot now).

They sometimes said I could use my laptop rather than the whiteboard if I was more comfortable with that, and I am.

How much water does this building use in a week?

You can ask us any question about the building, such as how many people or bathrooms there are, etc.