I have had a few interviews in the process. The first one was with the recruiter in charge of the job. Pretty easy and straightforward. Then, I had a couple of interviews, in person, with people from the team: very kind and welcoming, they asked me quite a lot of questions about my current position and how I could fit the role. At the end of the third interview, I've had to take a couple of aptitude tests (quite difficult). The last interview was harder: in front of a panel of team members and the manager from the department, I was asked to give a presentation (topic of my choice). The choice of topic was of course not random, according to the recruiter, a previous candidate had failed at this stage of the process, as his chosen topic wasn't considered relevant enough to the role.