First, there is an online application form to complete. Then there is a numerical online test, if you are successful through these stages then you are invited to their Enfield offices for a first interview which consists of several challenging problems. If you are successful through this stage then you are invited for a final 2 day interview which is an extensive and tie ring experience.

They have an online interview with maths and puzzle questions and some coding in Ruby. Later their is an in person interview that includes more puzzle/logical questions and then a pseudo programming test with a discussion about answers and scalability of solutions.