Short process, one or two rounds on phone and then onsite for a whole day. The interviewers were very nice. Basically just some math, coding questions, nothing very different from other firms.
Interview questions [1]
Question 1
Some prob and stat questions and some combinatorics
Few hr calls prior, First round: Questions on regularizations, gradient descent, probability brain teasers, calculus, linear algebra and prob ineq. Final Onsite: 3 rounds in total, Leetcode coding problems, questions on higher math concepts, linear regression, rapid fire brain teaser problems, and my previous ml background.
I applied online. The process took 2 weeks. I interviewed at Jump Trading (London, England) in Sep 2025
Interview
First there was a 30 minute casual recruiter chat. Asked a bit about motivations and what you know about the firm. Then a 1 hour technical, covering programming and probability.
Interview questions [1]
Question 1
Expected time to hit all points on a simple random walk on a circle.