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Susquehanna International Group
www.sig.com Bala Cynwyd, PA 1000 to 5000 Employees
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Susquehanna International Group Interview Questions & Reviews

Getting the Interview  176 Interviews

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Interview Experience  148 Ratings

61%
28%
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176 interview experiences
Updated May 5, 2013
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Interview Outcome:   All No Offer Received Offer

Software Developer at Susquehanna International Group

No Offer – Reviewed May 5, 2013

Interview Details – Had initial phone screening with an HR rep focusing on basic questions like why I'm looking to make a move, my background, and to describe my most difficult technical challenge and how I overcame. The HR rep seemed satisfied with my answers and ended the call by saying next-level interviews with the potential hiring managers would be setup in 1-2 business days. 1 week later she called my recruiter to say they won't be proceeding because I didn't provide enough technical details in my answers. Very odd--one typically doesn't go into depth at an initial HR screening and you'd think they'd ask for more depth if they want it.

Interview Question – Describe your most difficult technical challenge and how you overcame it.   Answer Question

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Senior Software Developer at Susquehanna International Group

No Offer – Reviewed Apr 9, 2013

Interview Details – Process is very slow and can be drawn out over multiple weeks given the number of applicants SIG interviews regularly. Initial interview is a 30 minute phone screen with an internal recruiter. She uses that information to determine for which positions, if any, she will present you. Next is a 45 minute phone screen with the hiring manager. This will include behavioral and technical questions. If you get beyond this, you get to the hard stuff. The next interview is in-person over a 5 hour period. You will be interviewed by 4 pairs of developers (one after the other) and one or two senior managers. The developers will ask probing technical questions and might have you write code on a whiteboard. The senior managers will ask behavioral questions.

Interview Question – How would you design a word processor.   View Answer

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Trading Internship at Susquehanna International Group

No Offer – Interviewed in Philadelphia, PA Jan 2013 – Reviewed Mar 27, 2013

Interview Details – first a phone interview by HR. Mostly fit question like why SIG? why this position? Second round phone interview had more technical questions and lasted around 45 minutes. I didnt make it to the next round.

Interview Question – question about pricing a game involving dice.   Answer Question

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Assistant Trader at Susquehanna International Group

No Offer – Reviewed Mar 20, 2013

Interview Details – Applied online and received an email for a phone interview. Started out with two behavioral questions why sig, why trading, why my major etc. Then had 3 math questions one about 5 people sitting at a round table, a counting game and a coin game.

Interview Question – what is the probability of 5 people with different ages sitting in ascending or descending order at a round table.   View Answers (2)

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Intern at Susquehanna International Group

No Offer – Reviewed Mar 19, 2013

Interview Details – Contacted via email, I networked to find the position. Overall a good experience, though answering math questions via phone was somewhat nerve wracking due to the awkward silence.

Interview Question – We are racing, and can at any time signal to the other that we would like to double our bet. We've put down 100 to start and during the race I signal to you I want to double the bet, What is the minimum probability of winning for you to accept to continue?   View Answers (3)

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Quant Research Intern at Susquehanna International Group

Declined Offer – Interviewed in Philadelphia, PA Jan 2013 – Reviewed Mar 17, 2013

Interview Details – I was contacted by SIG after they received my resume from my school's resume book. The initial phone interview was with their recruiter Tara. She was very friendly, and this particular interview focused mainly on my background and interests and career direction. The point of this interview was for her to see if I was a good fit for the company. The next interview was also over the phone, and was with Doug, who was the head of their quant research group. The phone interview lasted for roughly an hour, with the first half dedicated to discussing the history of the company, and with the second half dedicated to technical questions. From here, I was invited for a final round on-site interview. This was an all-day interview, starting at around 9:30am and ending around 3:30pm. Lunch is provided, but you have one of your interviews over lunch. This interview includes several math questions, several finance questions, and a few questions about programming (I was trained in Java and not C++, so they didn't ask me any OOP questions). Most questions were on algorithms and memory management (how to handle what happens when you have more data than you have memory). In addition, they gave me a data analysis exercise once the on-site interview was scheduled, to be finished the week before the interview. This provides them with a code sample to discuss during the interview.

Interview Questions

  • Suppose you have 100 GB of data that you want to sort, but you only have 1 GB of memory. How would you sort this data?   View Answers (3)
  • Suppose you have two covariance matrices A and B. Is AB also a covariance matrix? Suppose that, by plain dumb luck, we also have that AB=BA. Is AB a covariance matrix under this additional condition?   View Answer

Reason for Declining – SIG would have been a fantastic place to work, and anyone who gets an offer from this company should be thrilled to get their attention. However, they are located in Philadelphia (whereas my wife and I live in New York) so I would have had to be separated from my wife for the 10 weeks. Also, SIG was not my top choice, and later in my interviewing I was fortunate to get an offer from Goldman Sachs that I chose to accept.

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Gold Associate at Susquehanna International Group

No Offer – Reviewed Mar 12, 2013

Interview Details – The fit questions were as expected, and the game theory question was a simple iterative question. The culture seems interesting however as it is a trading office they have no cafeteria and you must eat at your desk. The culture is still very team based as everyone works in smaller trading pods focused on different sectors.

Interview Question – Where else are you interviewing?   View Answer

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Assistant Trader at Susquehanna International Group

No Offer – Reviewed Mar 12, 2013

Interview Details – first round interview, phone ,background check, probability and stat question, similar to what was said, the interviewer was quite nice and give me enough time to think my answers, accuracy matters more than speed

Interview Question – candy bar A produce 60%, of which 20%damage,B produce 40%, 10% damaged, see a damage bar, probability it come from b   View Answers (2)

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Trading Intern at Susquehanna International Group

No Offer – Reviewed Mar 11, 2013

Interview Details – First Round on campus

Interview Question – the probability of seeing a shooting star in 1 hour is 91%. What is the probability of seeing a shooting star in 30 minutes?   View Answer

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Assistant Trader at Susquehanna International Group

No Offer – Reviewed Mar 9, 2013

Interview Details – Sent my resume through school's career website and they got back to me in about a week and a half. Interview consists of probability and expected value questions. Easy questions, I just messed up on trivial things.

Interview Question – You have are offered a contract on a piece of land which is worth 1000000 70% of the time, 500000 20% percent of the time and 150000 10% of the time. The contract says you can pay x dollars for someone to determine the land's value from where you can decide whether or not to pay 300000 for the land. What is x? I.e. how much is this contract worth?   View Answer

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