Jane Street

First round: Excel exercise (formulas) and write-ups to answer questions. Second round: phone interview asking market sizing and brain teaser (math) - didn't pass the second round. Interview process was pretty quick; always heard back within a week

Multiple Rounds: * Online Assessment * Phone Interview #1 * Phone Interview #2 (got cut after #1) * Final Round I was asked not to disclose specific questions, but they asked Fermi estimation problems and difficult probability questions. If you are

Completed a simple data analysis written task. I was then called in for an interview where they asked some typical consulting-style market sizing questions and another problem-solving type question. No questions about personal information were asked.