It consists of three different parts
Research presentation: 10-15 min presentation about my research and Q&As
Relative field Q&A: Interviewer would ask questions related to your job. Such as general ML questions, Robotics questions, etc. They will also ask engineering questions about how you will design solution for some problems.
Coding interview: It also had coding interview. It is bit different from leet code style but also not domain specific questions. They will provide good help during the coding interviews.