I applied through a recruiter. The process took 4 weeks. I interviewed at Susquehanna International Group (Philadelphia, PA) in Sept 2015
Interview
Initial phone screen with HR. Probability questions, use of Bayes thm.
Phone screen with head of education department.
Onsite at Philly office, two technical interviews, asked probability questions. Asked to play (gambling) games and if you'd like to play the game - you had to give reasoning (why/why not) and what your strategy would be. One group interview during lunch, brain teasers.
I applied through a recruiter. The process took 3 weeks. I interviewed at Susquehanna International Group (Sydney) in Jan 2026
Interview
4 rounds of interview
1- recruiter background check
2- HR to screen candidate/ behaviour question
3- trader - technical questions
4- head of operation - heavy operational stuffs
Overall pretty good. Last round you really need to prepare they will ask you to solve issues on the spot under pressure by throwing a lot questions
Interview questions [1]
Question 1
A lot about options
A project give you tomorrow how will you finish it step by step
1. Finish a test, I think it is difficult and involves professional knowledge. The last part is mathematical questions
2. Some questions about the companies, industry knowledge.
3. Test your knowledge of the position
Interview questions [1]
Question 1
What do you think you have that qualifies you for this job
I applied online. I interviewed at Susquehanna International Group
Interview
Phone Call with Australia office HR (General motivational question) for screening purposes. Once you get through this round, interview with US HR(Motivational + Technical). The questions that I got for the technical interview can all be found on glassdoor.