very long process, 4 Rounds, Classical questions ( prob, stats,medium leet code). 1st more focused on code, probability, second more on stats. third with a senior quant, Didn't make it further.

Incredibly kind interviewer. 50mins interview. Interviewer introduced the company and about themselves. Then I introduced myself. Then coding task - leetcode medium. Then 1 easy probability question, then 1 hard. Gave helpful hints for the 2nd probability question. Then gave me time to ask any questions.