Applied online. Had a phone screen in a week or so. Interviewer was friendly and professional. Problems are open-ended; the main concern of the interviewer is how you approach it.
Immutable data structures.
The following metrics were computed from 21 interview experiences for the Jane Street Software Engineer role in London, United Kingdom.
Jane Street's interview process for their Software Engineer roles in London, the United Kingdom is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for Jane Street's Software Engineer interview process in London, United Kingdom.