I applied online. The process took 6 months. I interviewed at FDM Group (London, England) in Jun 2015
Interview
Simple Online Application, then standard phone interview and then Assessment Centre. In the Assessment centre, there was an IT competency test, a venn diagram test and a maths test and 3 one to one interviews. One should definitely prepare for the tests before had by mastering venn diagrams by using links from Youtube. If you did probability in S1 maths, that would be help. For the maths test, you don't have a calculator so make sure you can do mental maths. Revise topics such as Pythagoras. Also for the IT test, know what http, etc stands for.
For the first interview, the questions asked about our university degree and modules
the second interview, the questions are about IT
the third interview, the questions asked are the work environment
It is a four stage process first is a phone interview, a video interview, some psychometric tests that you do online attached to the video interview link and then the final stage is an assessment centre.
The interview process was extensive but overall a good test of my skills to see if I could handle the job. It was 3/4 individual interviews and aptitude tests for Maths & English.
Interview questions [1]
Question 1
An example of one was "Tell me a time when you had to work to a deadline"
Psychometric tests, video interview, face to face interview. Not difficult. Some sections are long and require concentration. That's to get in to FDM. Once you're in, you have to do the same to get in with clients.