One phone interview, followed by two face-to-face interviews and a writing test on site, followed by final HR phone call. The whole process was very professional and all of the interviewers put me at ease, immediately. They didn't try to trip me up with any of their questions and really seemed more interested in what I could do rather than what I couldn't do. Even if I hadn't been offered the job I would have written an equally positive review. It was a brilliant interview process and I genuinely enjoyed it (which is amazing considering how nerve-racking interviews can be). If you're thinking of applying, just go for it and if you get rejected, apply again. I applied and got rejected twice before I got an interview.