Quant Researcher
Finds and tests ideas in data, with interviews on probability and statistics.
The interview process
- 1Online testOnline · typically 8 to 45 min per partProbability, statistics, light coding or a small data task.
- 2Technical roundsVideo · typically 1 to 3 rounds of 30 to 60 minProbability and statistics, solved out loud.
- 3Take-home taskOnline, not always · typically 6 to 48 hoursA research task you defend later; an honest out of sample test counts most.
- 4Final roundOn site or video · typically 3 to 5 interviewsResearch discussion and the defense of your own work.
Rounds typically 4 to 6 stagesTotal often more than a month
Question categories
Sorted by how often they come up for this role, my own estimate from public reports.
01ProbabilityVery commonEasy7Medium7Hard702BrainteasersVery commonEasy7Medium6Hard603StatisticsVery commonEasy7Medium6Hard604Finance TechnicalsCommonEasy5Medium5Hard505Coding (Python)CommonEasy6Medium6Hard606BehavioralCommonEasy5Medium5Hard507Questions about your projectsCommonEasy5Medium5Hard508Stochastic CalculusSometimesEasy5Medium5Hard509Mental MathSometimesPractice generator10Market Making and Betting GamesSometimesEasy6Medium6Hard6