I applied through an employee referral. The process took 2 months. I interviewed at Two Sigma (New York, NY) in Oct 2014
Interview
Several Steps:
1) Phone interview with HR where they ask about interests, explain the company etc.
2) Coding interview. Two hours for two questions.
3) Online interview with the potential future manager. Technical questions.
4) Onsite - was there from 9am to 6pm straight. Wide variety of interview from technical to lunch to HR.
5) Background check and references
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Other Quantitative Researcher Interview Reviews for Two Sigma
I interviewed on zoom with three different interviewers. The first was talking to a recruiter about interview processes and why I am applying and going over my resume. The second was with a quant researcher about my resume, past research and domain knowledge and technical questions. The third round was with another quant researcher about past research and some more technical questions. I didn't proceed after that.
Interview questions [1]
Question 1
statistics and regression questions and some math brainteasers
The interview process typically starts with conversations with team members, followed by three rounds of technical interviews focused on data analysis, coding, and statistics. Each round includes follow-up questions that probe deeper into the candidate’s reasoning, methodology, and ability to apply concepts under realistic problem-solving scenarios.
Interview questions [1]
Question 1
one question about citi bike problem, one about correlation
Interview mostly consisted of conceptual ML questions and general experience, with no coding. The interviewer was super nice, but they were looking for more experienced candidates, which my years of experience didn’t quite qualify me for.