J'ai postulé en ligne. J'ai passé un entretien chez Jane Street
Entretien
Applied online through website. Got an email asking for a time to have a phone interview. Phone interview was pretty intense - interviewer was in a hurry and did not seem to be patient.
Questions d'entretien [1]
Question 1
How many times does the digit 1 appear in all numbers from 1-1000000 inclusive
They tend to examine the logical thinkers that can communicate clearly and concisely, and some problem-solving exercises intended to explore how you gather and apply new information, very different from other tech companies' interviews.
Initial application and online assessment. Had a first round behavioral interview where they asked me about myself, my experiences, and a couple of brain teasers. The interviewer was very nice.
J'ai passé un entretien chez Jane Street (Londres, Angleterre)
Entretien
Phone interviews (at least 3) - questions were of mixed difficulty (some pretty hard) but the interviewers were friendly and they gave helpful hints. Kind of fun - review probability and game-type questions.