Series of in-person interviews over two days... Day 1: one-on-one dinner interview -- introduction to company and description of the work. Day 2: similar breakfast interview, then formal one-on-one interviews at the office. Candidate provides a group presentation before lunch. This is proceeded by a group lunch and then a final set of interviews in the afternoon.

Full interview day with multiple in person on site interviews with staff and managers, a presentation on a technical topic of your choice, and a meeting with HR to review the hiring process and benefits.