I applied through university. The process took 2 months. I interviewed at Susquehanna International Group (Dublin, Dublin) in Jan 2014
Interview
Process started off with a telephone interview, which was followed by a face to face interview with two traders, and then a final face to face interview with a senior trader.
All interviews followed a similar structure - around 1/3 HR / motivation questions, and 2/3 problem solving. The telephone interview lasted around 30 minutes, the first face to face was around 90 minutes and the second was close to two hours. The difficulty of the problem solving questions increased from the telephone interview to the face to face, but I'd say the second face to face interview was no harder than the first.
All interviewers were very friendly, easy to talk to and in a way it felt more like a friendly chat than a formal interview - the interviewers all wore casual clothes so I did feel a bit over dressed in a suit!
Interview questions [2]
Question 1
A king wants to hold a party, for which he has 8 kegs of wine, one of which he knows is poisoned. If someone consumes any of the poisoned wine, he will drop dead in exactly one months time.
The king has 3 servants who have volunteered their lives to test the kegs of wine. What is the shortest amount of time in which the king can identify which keg of wine is poisoned and dispose of it so he can hold the party.
After many of the questions, the interviewer would ask "How sure are you on your answer? If you had to give a percentage what would you give?"
Then say you said 90% sure, he would ask "So if I made a 10 euro bet with you, would you give me 9 to 1 odds? What about a 10000 euro bet?"
I interviewed at Susquehanna International Group (Sydney)
Interview
After passing online assessment will be a phone interview. The interview is ard 30mins, after checking ur personal information and WAM, the hr asked me 4 math questions. U r required to solve it manually (no calculator) and when u do it u need to say aloud how u think.
I interviewed at Susquehanna International Group (Bala Cynwyd, PA)
Interview
screen with hiring manager with mostly behavioral one probability
then two rounds of technical and just probability stuff
final round with some group interview stuff some individual interview stuff, tour of trading floor
I applied online. The process took 3 weeks. I interviewed at Susquehanna International Group in July 2025
Interview
Did an OA, was 15 questions with some probability questions and what not. lots of EV calcuations and got progressively harder towards the end. Some systems of equations and other topics that were easier.