All individual.
First to receive a HR call, which is the basic question and strength and weakness.
Then to interview with Senior manager
Finally interview with Partner
The questions are mainly on work experience and a few technical questions.
I interviewed for a position that's slightly out of my expertise. They took the time to understand why and was engaging to explain what the role requires. There were 3 of them.
Softball questions. Technical questions were nothing difficult and so weren't memorable. Interviews were more of a soft skills check than anything else. The decision was already made once my resume was seen.