There was initial introduction by the HR representative, introduction to the team, and then must have been planned talk with CTO. The experience has been positive: I was introduced to the team in the office, where they asked about technologies I have been using, and what to expect in my new role. After that interview, there could have been CTO introduction, possibly with more detailed technical testing. But between the interview rounds, I have got another offer from established company with tradition, and accepted it, not proceeding to the next round.