I applied online. I interviewed at Jane Street in Oct 2014
Interview
I applied online and got the phone interview invitation within a few days. The online application is the simplest I've ever seen. I applied to both London and Hong Kong office and the interview is from London office. A trader interviewed me.
Interview questions [1]
Question 1
The interview is not very hard. But I made mistakes in very basic questions. It starts with calculating the sum of odd numbers within 100.
I applied through college or university. I interviewed at Jane Street
Interview
Applied through campus recruiting, and had interview on campus. Told me how the interview was going to work: technical questions, no behavioral questions. Very casual; wore khakis and a flannel. After a couple of probability questions, he let me go and told me I would get an email about the second round of interviews
Interview questions [1]
Question 1
Expected value of various binomial distributions, game theory
I applied through college or university. I interviewed at Jane Street
Interview
Applied through Career Fair. Offered phone interview shortly after.
Interview questions [1]
Question 1
The interview started and I was told to not use and pencil or paper. They asked me some squaring questions and some subtraction with large numbers. I was also asked how much I would pay to play a game where I get heads if I win a dollar, and how much I would be willing to pay if I was able to re-flip up to two more times.