I applied online. The process took 1+ week. I interviewed at State Street (Luxembourg) in Jul 2016
Interview
Basic, fit questions and some technical about financial markets (with an average knowledge you can do it).
They want you to be flexbile and mobile. If you are mobile, they want you, they can hire you for the job in any of their desks.
Interview questions [1]
Question 1
What is a bond ? How do you price it ?
Where is the DowJones/S&P/FTSE
What it the duration ?