first interview was 60 minutes long with a leetcode hard question. second interview was 2 back to back 60 minute leetcode hard with emphasis on data structures. each interview had a 5 minute introduction and 10 minute at the end to ask questions
I applied online. I interviewed at Two Sigma in Jan 2019
Interview
I gave the online test at Hackerrank, and things went well on that. After few days, I got a call from the recruiter and a phone interview was set up.
Interview questions [1]
Question 1
Difference between a process and a thread
how process communicate
how threads communicate
difference between latency and throughput
Random generator,
follow up- new range in the old generator
Standard medium difficulty hackerrank. The question involved decoded an encoded string. It was not something I had seen on LeetCode before and I think was unique to the company. The question was not that difficult but I ran out of time right before I could finish answering.
Interview questions [1]
Question 1
Decode a string encoded using a specific encoding algorithm.
It started of with one phone screen, then if you pass you have 2 back to back technicals, then 3 1 hour behaviorals, hiring committee, and management committee. Standard Leetcode and behavioral questions.