I applied through a recruiter. The process took 2 weeks.
The interviewer was very helpful throughout the interview and did hint me some ideas when I was stuck. I thought I did pretty well, but the competition is tough. Sadly I was rejected, but it was a nice experience.
The following metrics were computed from 1 interview experience for the Jane Street Software Engineer (Swe II) role in London, England.
Jane Street's interview process for their Software Engineer (Swe II) roles in London, England is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for Jane Street's Software Engineer (Swe II) interview process in London, England.