I applied through an employee referral. The process took 6 days. I interviewed at Optiver (New York, NY) in Aug 2022
Interview
OA very mentally taxing. No advanced math, simple raw mental math is needed. Be prepared for number sequence pattern finding and calculating numbers quickly and game of 24. Got the interview from referrals.
Interview questions [1]
Question 1
Given a number sequence, select the next number in line from the following choices. For example, one would have to observe that the sequence is given in the form that (i^2/(i+1))
First you send your CV and then you get different "challenges". One for sequences, one for probability and one for coding. All of them are quite hard, especially the probability one.
Interview questions [1]
Question 1
Roll one hundred dices, remove all possible groups of 1,2,3,4,5,6. Expected amount of dices left.
OA, phone, 3 interviews, each was a fun game that required risk taking and dealing with expectation. stay level headed and think about many cases. communicate clearly with your interviewer and explain everything.
a sequence of cognitive brainteasers requiring speed and accuracy, First round / online assessments consists of game-like rounds . Make sure to not hesitate in video rounds, as they are testing your confidence too.