I applied through university. The process took 2 weeks. I interviewed at Optiver in Nov 2014
Interview
first they take a test 8 min 80 questions then test of series then test your puzzles skill. after they interviewed the selected students from my college. the process is quite long and you have to performed at each and every step. they also have an interactive session after the third round in which they play us in a trading game. overall process is good and nice learning experience.
Interview questions [1]
Question 1
how you adapt yourself according to amsterdam and it's people.
The following proces:
1st round were games, including mental math, memory games
2nd round was hr interview, asking questions about motivation
3rd round: technical interview
4th round: technical interview
5th round: at office
I only got past the online assessment and got to the first round which was a HR interview. The online assessment involves 2 tests, probability questions and one with some form of games which test your reaction time, your thinking etc. it was quite fun to do
Interview questions [1]
Question 1
One thing they asked was my experience/what I did for trading. Unfortunately, I had no experience within trading.
80x8 Test : mental math exercise where I had to solve 80 short arithmetic problems in 8 minutes without using a calculator or paper. The questions are usually simple in structure—typically involving addition, subtraction, multiplication, or division of small numbers
Interview questions [1]
Question 1
80 short arithmetic problems involving addition, subtraction, multiplication, or division of small numbers but also fraction and small equations