It was a first-round technical interview which had an unspecified amount of time. Mine took around 45 minutes to an hour.
Interviewer was super nice.
I made some mistakes along the way, though, and did not pass.
It was a class design and dictionary type of question, not really algo-heavy.
The following metrics were computed from 12 interview experiences for the Jane Street SWE Intern role in New York, New York.
Jane Street's interview process for their SWE Intern roles in New York, New York is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for Jane Street's SWE Intern interview process in New York, New York.