The interview was really casual. They asked about the things written on my resume, plus the usual ones like why do you want to work for us, what are your expectations, etc. etc
Online Application, then got called back for a video interview. The video interview gave you questions with a short time to prepare answers for each before you recorded yourself. Final step was a super day with four back to back interviews then a case study with other candidates.
I applied online. The process took 8 weeks. I interviewed at WTW (Londres, Inglaterra) in Nov 2017
Interview
The process consisted of doing three different types of tests in which you were tested on your numerical, analytical and cognitive skills. In addition to this in the interview you were given two different questions for which you had to prepare answers. Time was allocated for preparation.