I applied through university. The process took 2 weeks. I interviewed at Susquehanna International Group (New York, NY) in Oct 2018
Interview
The whole process took about two weeks. Got selected for the on-campus interview at Columbia. The recruiter asked a few simple questions on the pricing of the option. The recruiter was also very friendly.
Interview questions [1]
Question 1
Suppose a stock has probability p to go up x dollars and probability (1-p) to go down y dollars. How much should the stock be traded today for?