Susquehanna International Group Quantitative Researcher interview experience

It was pretty fun, but the timing pressure was real, so I had to stay fast rather than get too precious about any single problem. After that, I moved into Zoom-style interviews where probability and expected-value reasoning were front and center, with some behavioral questions threaded in.

The part that stood out to me was how aggressive the technical follow-ups became: I was asked multiple technical questions, and if I got far enough, they kept digging with additional questions that built on earlier answers. Even the behaviorals were followed up, which made the whole thing feel high-stakes