I applied through a recruiter. The process took 5 weeks. I interviewed at WorldQuant in Sep 2016
Interview
An online test followed by 4 phone interviews of technical tests. Online test consists of 40 problems ranging from quick math, probability, and coding. Consists of 2 parts. First part is doable and some are just calculations. Second part is quite hard and the questions are individually timed so you should prepare for exact and fast calculations. Time goes way fast for just coming up with the idea. Phone interviews were also mostly math problems. 4 questions per interview. Some background check and explanation of the work.
I applied online. The process took 2 months. I interviewed at WorldQuant in Nov 2025
Interview
Screening -> Online tests in math (many problems on a variety of topics) and programming (3 easy problems on data parsing and filling in gaps) -> 3 technical interviews (math, programming, and DS/finance), usually a few simple warm-up questions and 2 more difficult problems to test the depth of knowledge -> interviews with teams, talk about your experience, scientific work, then questions related to the specifics of the team you are applying for, you need to come up with hypotheses about the data -> rejection
Interview questions [1]
Question 1
The team interview included questions from the Green Book. The questions from other stages were unique but fairly straightforward, with the exception of one that asked about knowledge of mathematical induction.
I applied online. The process took 2 months. I interviewed at WorldQuant (Thành phố Hồ Chí Minh)
Interview
There were 5 rounds in total. It began with a 30-question math assessment on HackerRank, followed by two face-to-face interviews focused on probability. Next, I completed a 24-hour take-home test and presented my findings. The process concluded with a final interview with a manager to assess cultural fit.
Very hard interview, I suggest you to study hard linear algebra statistics probability and more more more more because again it is hard very hard and I need to hit word qouata here
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