I applied online. The process took 2 months. I interviewed at WorldQuant
Interview
Applied online to Worldquant at two different branches. First contact was almost immediate. Took a while for one branch to realize they couldn't hire internationally but only nationals of that country. The other branch offered me the written online test (2-3 hours). If you're directly out of university (undergrad), questions are definitely doable. Otherwise (if you really want it, think again and read all posts here and elsewhere!) prepare yourself.
After this two more phone "interviews" (i.e. exams). They're very rigid in the way the whole hiring process is conducted, not much respect for the applicant, people seemed intelligent without really understanding research, with this seemingly foreshadowing the working atmosphere and environment, it led me to decline the offer.
Interview questions [1]
Question 1
Questions are almost exclusively quizzes, brain teasers, some logic, some (fewer than expected) about programming or real science/research, no real opportunity to talk about the daily work/atmosphere etc. Always slightly pushy.
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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