Susquehanna International Group Quantitative Researcher interview experience

After an initial HR call, I had multiple rounds that kept coming back to basic probability and math problem solving. I remember eventually being asked to do more structured steps like additional math problem rounds and then a final stage that included a data exercise plus tech and math elements.

I found the experience frustrating mainly because the early rounds didn’t feel tightly aligned with the later work—they leaned on brain-teaser-style thinking and basic probability, and I had the sense that the process was designed to test volume rather than depth. I withdrew after moving forward to