Bloomberg L.P. Application Developer Interview Questions

Updated Jul 23, 2015
35 Interview Reviews

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35 Candidate Interview Reviews Back to all Interviews

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  1.  

    No Offer
    Positive Experience
    Average Interview

    Application

    I applied through a recruiter. The process took a weekinterviewed at Bloomberg L.P. (New York, NY) in July 2015.

    Interview

    Background review: they covered my backround in software engineering, current skills, how applicable they would be for the job etc. The second half was then a technical interview using hackerrank. They only asked two questions, a design problem and an algorithm problem. The design problem was very simple, relating to storage and output of ticker values. The algorithm question was also pretty simple.

    Interview Questions

    • Find all the anagrams of a string with unique letters.   Answer Question
  2.  

    Senior Applications Developer Consultant Interview

    Anonymous Employee in New York, NY
    No Offer
    Negative Experience
    Average Interview

    Application

    I applied through a recruiter. The process took 1+ weekinterviewed at Bloomberg L.P. (New York, NY) in June 2015.

    Interview

    I was briefly introduced to two interviewers. They wanted me to tell a little bit about my last job. I told them some success stories. Then they moved into asking me to code. I successfully wrote and executed the code they wanted. I have interviewed many engineers, and I did not feel the interview revealed much about me, other than that I can code. The conditions are unlike any real world situation. In the real world, one is used to the style, requirements and is warmed up. In this interview, a very uncertain situation was thrown upon me. Even if the company operates in uncertain situations, there is no way that they are as unclear as given. I got warmed up and used to thinking in this uncertain way after about 20 minutes. But, in that time, I was programming slowly. I got good at thinking the way they expected at about the time the interview was over. I do like programming under challenging conditions, so I would probably enjoy and be very good at this job, if I get the job. However, I don't see how the interviewers could discover this. Both of them had far less experience than I did. For these reasons, I gave the interview a thumb down.

    Interview Questions

    • Simple C++ algorithm: returning a string of a number, inserting commas into the right places.   1 Answer
  3. Helpful (2)  

    Accepted Offer
    Positive Experience
    Average Interview

    Application

    I applied online. The process took 3 weeksinterviewed at Bloomberg L.P. (New York, NY) in October 2014.

    Interview

    Had a recruiter connect me with the company. Submitted application via their online career site. Received a request to go through an online technical assessment process within the next two days. The assessment had two parts, 40 questions each. First part was specific to C, the second to C++. Fairly straightforward, basic pointer-type questions. Had three days to complete the assessment. Once completed, I was contacted within a day to schedule a phone interview for the following week. The phone interview was a bit more detailed, but still within the C/C++ scope: how do you determine endianness without library calls, write strcmp without library calls, etc... Having passed the phone screen I was invited to the in-person interview after two days. The in-person interview consisted of three technical and one HR session(s). The technical questions were, again, straightforward C/C++: implement itoa without library calls, implement a thread-safe queue push()/pop(). Was presented an offer by the end of the day via my recruiter.

    Interview Questions

    • Given a web log find the top 10 most visited sequences of 3 URLs.   Answer Question

    Negotiation

    Negotiations ended up at the starting point: I gained nothing over what I had originally asked for. This may have been because of my recruiter, but overall the offer is fair, regardless.

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  5.  

    No Offer
    Neutral Experience
    Average Interview

    Application

    I applied through college or university. The process took a weekinterviewed at Bloomberg L.P..

    Interview

    Recruited at university career fair. Went through four rounds of interviews in three sessions, all on campus. First two were 2:1 technical interviews, next two were behavioral with someone from HR followed by a manager. Received response one week later.

    Interview Questions

  6.  

    No Offer

    Application

    I applied through college or university – interviewed at Bloomberg L.P..

    Interview

    1st round is easy, some C++ and algorithms. 2nd round is totally unexpected. A lot of CS stuff were asked. I am not CS, I have no idea.

    Interview Questions

    • They asked me how to compress files. And the classical dictionary problem.   Answer Question
  7.  

    Financial Applications Developer Interview

    Anonymous Employee in New York, NY
    No Offer
    Positive Experience
    Average Interview

    Application

    I applied online. The process took 7+ weeksinterviewed at Bloomberg L.P. (New York, NY) in November 2013.

    Interview

    Took more than 6 weeks until got the interview offer. It was 1-hour telephone interview. Being asked several questions on data structure and algorithm and no questions on background and CV. Most of questions are not that extremely hard and the interviewer was kind enough to help. After a few weeks, got the rejection.

    Interview Questions

    • Is there any algorithm to verify whether a linked list is circular or not?   2 Answers
  8. Helpful (5)  

    Financial Applications Developer Interview

    Anonymous Interview Candidate in Boston, MA
    Accepted Offer
    Positive Experience
    Difficult Interview

    Application

    I applied through college or university. The process took 2+ weeksinterviewed at Bloomberg L.P. (Boston, MA) in October 2013.

    Interview

    Applied online as well as at University career fair. Received call for on campus interview after two days. Process comprised of 4 rounds. Round 1: [45 mins] Two software developers: Started off with a few basic questions regarding keywords and their implementation differences in java and c++. Then moved onto questions on dynamic memory allocation. This was followed by a programming question about binary search trees. Finally was given a brain teaser to solve within 10 minutes. Round 2: [45 minutes] Two software developers: Received a call one week later for another round of interview. This interview was totally based upon programming questions. I was told to write around 5 programs on paper within a span of 45 minutes. The interviewers were very nice and expected me to tell them what I was thinking while writing the code. Round 3: [30 mins] Senior Technology Manager: Interviewed the very next day on campus. The senior manager was very nice and initially asked me questions based on my background and why I am interested in the field of financial technology. Why Bloomberg LP? This was followed by about three programming questions. This seemed to be an interview where they want to check if you will be a good fit for any of there teams. Round 4: [30 mins] HR Manager: The last two rounds were back to back. The HR manager again asked me questions pertaining to my background and my summer experience. She asked me to give a list of companies where I have been interviewing along with Bloomberg. My salary expectations and availability to work. Received a call around 5 working days later that I had been accepted into their program. Overall a very nice experience. They were timely in getting back to me after each round of interviews.

    Interview Questions

    • All questions are based upon core C++ concepts. Be prepared to make changes to your code as per the requirements of the interviewers. Make sure you practice writing code on paper as it is totally different from writing code on the computer. Also do not underestimate the non- technical questions as they do give equal weight to them as well.   Answer Question

    Negotiation

    I accepted the offer and did not negotiate as their compensations was way above my expectation coming straight out of graduate school without any full time experience.

  9.  

    Financial Applications Developer Interview

    Anonymous Employee in Troy, NY
    No Offer
    Neutral Experience
    Average Interview

    Application

    I applied through college or university. The process took 4 weeksinterviewed at Bloomberg L.P. (Troy, NY) in October 2013.

    Interview

    Met a recruiter at the campus career fair. Interviewed on campus by two of bloomberg's developers. It was almost entirely a technical interview. I had to code a fairly straightforward algorithm and answer a probability question. About two weeks later I received an e-mail for a phone interview. I Responded for an appointment, but received a rejection e-mail shortly after. It may have been a mix-up on their part but I felt I performed adequately on the first interview.

    Interview Questions

    • Suppose there is a building with 25 floors. If n-1 people enter an elevator and press a floor button. What is the probability that when the nth person enters, the 19th floor has already been pressed?   1 Answer
  10.  

    Financial Applications Developer Interview

    Anonymous Employee in New York, NY
    No Offer
    Positive Experience
    Average Interview

    Application

    interviewed at Bloomberg L.P. (New York, NY) in October 2013.

    Interview

    I met one recruiter in a on campus info session. Applied online and got an phone interview invitation pretty soon. The interviewer was nice, and asked me a bunch of brain teaser(might have something to do with probability). After one week, I got a positive feed back and was invited to an on-site interview plus company tour.

    Interview Questions

    • The phone interview is pretty easy. The on-site one is more technical and they did ask some concept that I did not know of.   Answer Question
  11.  

    No Offer
    Positive Experience
    Difficult Interview

    Application

    I applied through college or university. The process took a weekinterviewed at Bloomberg L.P. in September 2013.

    Interview

    Met recruiter at campus career fair, and we chatted about my background (getting Ph.D. in non-CS field). Asked why I would want to work at Bloomberg, and why as a software developer. This question comes up often (and for good reason), so know your answer well. Asked to interview the very next-day on campus. Two rounds of on campus interviews (back-to-back days) followed, both in 45-minute two-to-one format with software developers. Given my background, was mostly high level data structure/algorithms/logic questions, but was asked to write code/pseudocode at every round. Last round was with HR and a senior manager. HR is mostly behavioral, manager starts with behavioral/background, but spends most of the time asking a rather difficult/open-ended question.

    Interview Questions

    • Given a string of characters (e.g. Scrabble tiles) and a dictionary of allowed words, how would you use those tiles (without replacement between words) to construct the 10 longest allowed words?   1 Answer
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