I applied through a recruiter. The process took 1 week. I interviewed at Susquehanna International Group (New York, NY) in Jan 2017
Interview
Applied through a recruiter, and get a phone interview, asked about joint probability, delta hedging, random number generator and so on, didn't do well in the last problem, didn't meet any problem posted here, -_-
Interview questions [1]
Question 1
joint probability, delta hedging, random number generator and so on
I applied online. I interviewed at Susquehanna International Group (Dublin, Dublin) in Nov 2025
Interview
The interview was online over Zoom. Started with standard questions on why do you want to work here and why would you be a good fit. Then most of the interview was performing a maths problem.
Interview questions [1]
Question 1
A problem on Bayes theorem with multiple extensions. By the end (and under interview conditions) it got slightly tricky.
I applied online. I interviewed at Susquehanna International Group (New York, NY)
Interview
Just the paper test part, it's quite hard and need to be strong in math. You will need to do dozens of problem-solving math problems. Time is tight, and you need to be time sensitive, or you will miss several questions.
Interview questions [1]
Question 1
Like they just deep explore your resume and your advantages.
I interviewed at Susquehanna International Group (Philadelphia, PA)
Interview
The interview process was smooth, with clear communication. Technical questions were challenging but fair, and interviewers were friendly. Timely updates were provided, but waiting between stages felt a bit long.
