The overall process was fairly humiliating. For an experienced candidate, a question like, "How is Quicksort different than Mergesort?" is, in my opinion, insulting.
I had an initial call with the recruiter who convinced me to consider a career in finance, then a phone interview. The interviewer couldn't care less and felt significantly entitled. The questions were from an undergraduate CS book.
It's good that you're working for a top company, but a little humility goes a long way.
Difference between Quicksort and Mergesort
How would you calculate the mean on a continuous stream?
The following metrics were computed from 71 interview experiences for the Two Sigma Software Engineer role in New York, New York.
Two Sigma's interview process for their Software Engineer roles in New York, New York is extremely selective, failing the vast majority of engineers.
Candidates reported having good feelings for Two Sigma's Software Engineer interview process in New York, New York.