Susquehanna International Group Quantitative Analyst interview experience

The topics mostly stayed in that lane—math, probability, and some reasoning, with only light calculus mentioned across the experience—and even when the individual problems seemed manageable, the time limit made it stressful.

After that, I had a call with HR. That conversation began with the usual setup (why I wanted the role and logistics like graduation timing), but it also included a couple of probability questions. The next step felt more technical: I ended up in interviewer rounds that mixed brainteasers with probability, where I was expected to justify my reasoning rather than just