Apply online, get past the screening process. Then notified of first round interview. If you pass that you move on to the second round interview. Some questions are technical in nature
I applied through university. I interviewed at Crowe LLP (Chicago, IL) in Oct 2019
Interview
First round was just getting to know my interests.
2nd round was in Chicago for a full day event and 2 back to back interviews (technical and behavioral). All interviews were very conversational on my end.