There was a heavy focus around collaboration and team culture, rather than a focus on tricky technical questions. The EM, engineers, and Director of Engineering were very interested in the technical details of my past work and knew how to check my understanding, but not try to trick me.
Pair programming was making simple calls to an API in the language of your choice, but without using external libraries. This eventually built into several calls and the engineer was interested in refactoring, efficiency, and my thought process.