Informal, 3 stage process, this is the one in which the team members all contribute and then the interview sis taken to the next stage which means you have gone through it, then the last second stage is just a meeting with a manager to determine how you fit the tole you applied for

Went smooth and easy. Two rounds of interviews. Questions concentrated on the experience. The interview took about a week. Met with two different people who worked there. They were attentive and kind. Did not receive the offer.