Trexquant Investment Quantitative Researcher interview experience

They asked resume-based questions with follow-ups and then gave me a LeetCode medium problem, but there was also room for probability or statistics questions depending on what came up from my experience.

For the coding part, it felt like a direct test of fundamentals—arrays, clean implementation, and being able to talk through decisions while I solved it. One of the questions that stood out was a more direct algorithmic angle like permutations and combinations, and the interview was essentially a sequence of resume discussion and then progressively more concrete problem-solving.

I didn’t