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      Senior Java Developer - Contract Interview

      13 Apr 2016
      Anonymous employee
      London, England
      Accepted offer
      Positive experience
      Difficult interview

      Application

      I applied through a recruiter. The process took 2 weeks. I interviewed at Goldman Sachs (London, England) in Jan 2016

      Interview

      Quick 2 step process: 1 telephone with Java knowledge + data structures / maths problems - about 45 mins. 2. f2f interview with 3 people a) core java person b) project coordinator c) abstract problems person

      Interview questions [5]

      Question 1

      Q: How is hasmap implemented? Q: How did you communicate with other systems - synchronous / async communication ? Q: Did you use Soap / Rest WS? Q: Given piece of pseudocode describe what c++ compiler produce? Q: Optimise output of C++ compiler at assembly level? Q: Given problem will Hyper Threading give you any boost? Q: Given 3d building model describe algorithm for getting floor plan.
      Answer question

      Question 2

      Q: What is hashmap?
      Answer question

      Question 3

      Q: What are collections in Java ?
      Answer question

      Question 4

      Q: What types of collections do we have?
      Answer question

      Question 5

      Q: Draw architecture on your previous system? Q: How would you scale it? Q: What would you do differently to make it more scalable?
      Answer question
      1

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