I reached a phone interview.
I was asked a single, fairly non-LeetCode question, but it was harder than most LeetCode hard questions.
There were then three follow-up questions to it.
I completed two, but could not complete the third one, so I did not advance and did not receive an invitation to the final round.
The interviewer was kind and supportive.
I was asked not to say anything about it.
The following metrics were computed from 3 interview experiences for the Jane Street Software Engineer (Internship) role in Poland.
Jane Street's interview process for their Software Engineer (Internship) roles in Poland is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for Jane Street's Software Engineer (Internship) interview process in Poland.