TWO Sigma Software Engineer Interview Questions & Reviews
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Updated May 14, 2012 – Interview questions and reviews posted anonymously by interview candidates.
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Difficulty Rating [?] Based on 20 ratings 
“Average” Interview
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Interview Experience [?] Based on 20 ratings
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| 1–10 of 20 TWO Sigma Interviews | Sort by |
Software Engineer at TWO Sigma
Posted May 14, 2012 — 1 of 1 people found this helpful
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3.0
Average Interview
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Overall Neutral Experience
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Interviewed and No Offer
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Interviewed May 2012 (took 2 weeks)
I submitted my application directly at their career web site. About one week later, an recruiter contacted me to schedule a first round phone interview. This was not a technical interview, just brief talked with a HR for some general behavioral questions. At the end of the interview, the HR scheduled an online code test with me. I chose to take the code test at the same day. The test contained two programming questions, sent through emails. I was asked to finished the questions using either C, C++ or Java and send the solutions back within two hours. They did not count the time you took to solve the problems. The correctness is the top priority.
The difficulty of the coding problems were average. My first problem is a mixture of string and integer sorting. My second problem is a simulation of data transfer between data centers. Personally I felt it was a big pressure to do this in two hours. I was able to get the correct output at the last minute.
One week later, I got their response, saying that I did not pass the code test.
Interview Questions
Other Details
The interview consisted of a Phone Interview and a 1:1 Interview.
Helpful Interview?
Yes |
No
View Comments (1)
Inappropriate?
Software Engineer at TWO Sigma
Posted May 3, 2012
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4.0
Difficult Interview
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Overall Negative Experience
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Interviewed and No Offer
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Interviewed Nov 2011 (took 3 weeks)
I interviewed with Two Sigma in November 2011. A recruiter contacted me and informed me that he was impressed with my profile and that I would be a good fit for Two Sigma. He informed me that the interview process consisted of one coding test that would be sent to the candidate over email. Once the candidate returns the test, it would be graded and the candidate would be informed of the result. If the candidate clears the coding test, then he/she would be called to interview with the team face to face. The first time I scheduled my coding test, the test email did not come as the HR had mismanaged the scheduler job that sends the test. The next time I scheduled it, it came on time and I finished it and turned it in on time. After that I have not heard back from the company or the recruiter. Prior to taking the test, the recruiter would call me often to persuade me to take the test even though I was not actively looking for a job. However, after the test, there was no sign of the recruiter or anyone from the company to inform me that I did not clear the test. Even an automated email would have sufficed. I am disappointed with the lack of professionalism on the company/recruiter's part.
Interview Questions
Other Details
I got the interview through a Recruiter.
Helpful Interview?
Yes |
No
Inappropriate?
Software Engineer at TWO Sigma
Posted Apr 22, 2012
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4.0
Difficult Interview
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Overall Neutral Experience
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Interviewed and No Offer
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Interviewed Apr 2012 in New York, NY (took 3 weeks)
Overall, the experience was good. They gave me a gift bag when I arrived at the hotel. The interview process was long. I was interviewed for four hours in the morning, and then went to to lunch with two of their employees. In the afternoon, I met another two people and then it was finally over after talking to HR. But the confusing part is some interviewers are not professional, which made me really want to leave as soon as possible since I have got an offer from another place.
Some of the interview problems are as follows:
1. how to compress a prefix tree?
2. roman to int and int to roman
Interview Questions
Other Details
I got the interview through a Staffing Agency and the interview consisted of a Phone Interview, a 1:1 Interview and a Skills Test.
Helpful Interview?
Yes |
No
Inappropriate?
Software Engineer at TWO Sigma
Posted Apr 21, 2012
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3.0
Average Interview
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Overall Neutral Experience
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Interviewed and No Offer
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Interviewed Feb 2012 (took a day)
Most of the interviewers are very polite and except one.
Interview Questions
Other Details
I Applied Online and the interview consisted of a 1:1 Interview.
Helpful Interview?
Yes |
No
Inappropriate?
Software Engineer at TWO Sigma
Posted Apr 18, 2012
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4.0
Difficult Interview
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Overall Positive Experience
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Received and Accepted Offer
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Interviewed Feb 2010 in New York, NY (took 2 days)
Two phone interviews, followed by a code test, followed by 2 full days of very technical on-site 1:1 interviews.
Interview Questions
Negotiation Details
I didn't negotiate.
Other Details
I got the interview through a Recruiter and the interview consisted of a Phone Interview, a 1:1 Interview, a Skills Test and a Background Check.
Helpful Interview?
Yes |
No
Inappropriate?
Software Engineer at TWO Sigma
Posted Mar 27, 2012 — 2 of 2 people found this helpful
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1.0
Very Easy Interview
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Overall Negative Experience
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Interviewed and No Offer
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Interviewed Feb 2012 in New York, NY (took 2 months)
This is the longest interview process I have experienced. I took a phone interview with one HR, and followed up with a code test. After that, I didn't get any response for almost one month. Until I contacted them, I was told that my test was forgotten to evaluate.
Three days later, I was told to have an on-site in-person interview. The interviews are easy and I got positive feedbacks from all interviewers. However, one week later I was rejected.
Then coming to the longest reimbursement process I have experienced. I mailed them several times to ask about reimbursement but get NO response. It seems that I beg them to give me money which make me feel frustrated. And they fail to send me check twice. After about one month communication, I finally got the check. What is ridiculous, they discount about $30 without any explanation before hand.
The whole process is really uncomfortable and disrespected.
Other Details
I got the interview through a Staffing Agency and the interview consisted of a Phone Interview, a 1:1 Interview and a Skills Test.
Helpful Interview?
Yes |
No
Inappropriate?
Software Engineer at TWO Sigma
Posted Mar 29, 2012 — 0 of 2 people found this helpful
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2.0
Easy Interview
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Overall Positive Experience
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Received and Declined Offer
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Interviewed Feb 2012 (took 6 weeks)
1. phone interview
2. inhouse interview followed by lunch
3. inhouse interview again
4. offer
Interview Questions
Inhouse: heavy duty technical coding test.
Other Details
The interview consisted of a Phone Interview.
Helpful Interview?
Yes |
No
Inappropriate?
Software Engineer at TWO Sigma
Posted Feb 29, 2012 — 1 of 1 people found this helpful
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4.0
Difficult Interview
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Overall Positive Experience
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Interviewed and No Offer
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Interviewed Feb 2012 in Houston, TX (took 4+ weeks)
Application facilitated by a recruiting firm. Initially screened by HR representative over the phone. The next step was a timed coding test: two simple problems sent via email. Acceptable programming languages were Java, C++, and C. Solution had to be emailed back within two hours. Feedback on code test came within two or three days, and I was invited to an on-site interview. I had one-on-one interviews with five different people and was taken to lunch by two others. Altogether, the interviews lasted 8.5 hours. The interviews were primarily technical in nature. I was asked on multiple occasions to write Java code on a provided laptop. Interview topics included features and syntax of Java and C++, data structures and algorithms, UNIX commands, databases, concurrency, software design. No brain teasers. Everybody that I interacted with was first class; there was no condescension, smugness, or rudeness of any kind. Everyone seemed extremely intelligent, highly competent, and laid-back. I received notice of their decision within a couple of days after the interview. I believe they are an outstanding company and will be highly successful for years to come. I was disappointed not to receive an offer.
Interview Questions
Other Details
The interview consisted of a Phone Interview, a 1:1 Interview and a Skills Test.
Helpful Interview?
Yes |
No
Inappropriate?
Software Engineer at TWO Sigma
Posted Nov 23, 2011 — 1 of 1 people found this helpful
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3.0
Average Interview
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Overall Positive Experience
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Interviewed and No Offer
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Interviewed Nov 2011 in New York, NY (took 2 weeks)
The process first starts with a two hour code test. They should both be pretty doable if you use Java and think through the problem.
The next stage is an on-site interview. I'm not too sure who everyone else has been interviewing with but my experience was pretty positive. I met with two engineers who asked me some simple interview questions and about my past experience. I didn't do too well and could tell when I was told I was done for the day. Overall though, everyone was pretty courteous.
Interview Questions
Other Details
The interview consisted of a 1:1 Interview and a Skills Test.
Helpful Interview?
Yes |
No
Inappropriate?
Software Engineer at TWO Sigma
Posted Apr 11, 2011 — 1 of 1 people found this helpful
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3.0
Average Interview
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Overall Positive Experience
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Received and Declined Offer
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Interviewed Apr 2011 in New York, NY (took 4+ weeks)
The interview begins with filing of my resume to three of the groups they have open positions.
An HR representative contacted me to further explain about their company and assist my choices on positions. Then I could schedule an email-based code test. The code test includes coding questions and lasts for two hours. Once passed the test, they invited me to their HQ at NY, NY.
Through the one-day on-site interview, they both questioned about my background and interests and some more coding questions.
The entire process took about one month in my case.
Interview Questions
Reason for Declining
As a PhD, I had more interest in research and paper writing than pure software development. I turned down the offer because I had another offer with R&D opportunity.
Other Details
The interview consisted of a Phone Interview, a 1:1 Interview and a Skills Test.
Helpful Interview?
Yes |
No
Inappropriate?
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