There are three rounds total: the first two are zooms with a mix of numerical problems and behaviorals (second round focuses a little more on your background); final round is in person at the nyc office.
I applied online. The process took 1 week. I interviewed at Jane Street (London, England) in Nov 2024
Interview
A 1-to-1 zoom meeting with an HR who had great knowedge of mathematics. Super nice and helpful. I did not pass but just getting to interview was enough for me
I applied online. I interviewed at Jane Street (Hong Kong)
Interview
First HR interview, middles ones a lot of situational questions with different people from the office. final round was in person and was more of a mix of the two, tour of the office