2 interviews. 3 and 4 persons. 1 person from HR on 1st interview, people from the division, and one higer up in 2nd interview. No catch-question. I felt an honest desire to find out if there was a good match or not. Lot of technical technical questions on first interview. I was wearing jeans and a t-shirt. They were more casually dressed than me. Nobody dresses formally there, really (Montreal). Nothing to complain about.