1. Initial Phone Screen 2. 45 min chat with 1 product manager. Asking general background questions about career, why twosigma, etc. As well as an overview of the P&E org 3. Final round consisting of 5 1 hour long interviews, 1 engineering leader, 2 product mangers, 1 client side / experience manager and 1 quant engineer. This seemed extremely disorganized as all 5 interviewee's asked variations of the exact same questions as the previous interviewer (including from the prior round). I felt like I was giving repetitive answers for all five interviews. Everyone was polite and respectful and most interviewers did seem engaged. All in all, spending nearly 6 hours evaluating a candidate especially when there doesn't seem to be a goal with any particular interview (each person is just giving feedback on the same question/answer) seems like a huge waste of time for both parties.

HR screen -> Behavioral/case with a single PM -> "Onsite" with multiple interviewers and mini-cases. The interviews all went great and then I got dinged with no explanation. Basically a waste of time. The information on how the process would be run was not particularly clear either.