Citadel Quantitative Analyst interview experience

My first round was a one-hour technical interview over Zoom with a shared coding interface so I could work directly during the conversation. The focus was exactly the kind of math-and-probability thinking the role implied.

After that, the process leaned further into hard quantitative territory. I saw a pattern of probability and statistics questions that weren’t just formula checks: brain-teaser-style prompts mixed with probability distributions, statistical inference, and regression analysis, and I also ran into linear algebra concepts. One round felt especially heavy—multiple rounds in