I applied online. The process took 3 weeks. I interviewed at Jump Trading (London, England) in Nov 2016
Interview
CV online, then a face-to-face interview on campus with a trader. Followed up a few weeks later with onsite interviews, including with a developer, a quantitative researcher, and two further researchers later on.
Everyone very nice and friendly throughout, seemed like a nice place to work and the offices were really cool - great views!
Interview questions [1]
Question 1
Pseudocode to calculate standard deviation. How would you optimize it? Where might it go wrong?
HR screening, casual chat, followed by technical phone interview and another HR chat. Then Onsite interview consisting of four rounds, 3 technical and one technical and behavioral. Mostly on statistics, probability, coding and data analysis.
I applied through a recruiter. I interviewed at Jump Trading (London, England) in Oct 2025
Interview
I was contacted by the firms internal HR directly.
HR were nice and made the process seamless.
After my first conversation I had a 3 hour interview with 2 quants and a trader (all separate, approx 1hr each).
Interview questions [1]
Question 1
1 hr of python coding ability being assessed, data structures and how would you solve a problem.
1 hr discussing microstructure and answering trading specific questions (assessing knowledge of HFT strategies, backtesting)
1 hr of conditional probability and stats questions
I applied online. I interviewed at Jump Trading (Chicago, IL) in Oct 2025
Interview
First round was probability/brainteasers, next set was 5 interviews in a row with a mix of stats/probability/data science and leetcode plus one behavioral round. Interviews were around 30 mins long each.