The process is as usual: phone screen then onsite interviews where the panels split into 2 sessions (morning and afternoon). Pretty much focusing on SWE skills, leetcode hard questions, some modeling questions. They may also ask annoying brainteasers which is a surprise.
1
Other AI Researcher Interview Reviews for Two Sigma
The online assessment is through Hackerrank. The questions were not difficult, but the allotted time was not enough to complete the code that passed all the test cases. It was a take home test.