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      ThousandEyes

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      Senior Front End Engineer Interview

      19 Oct 2017
      Anonymous interview candidate
      San Francisco, CA
      No offer
      Positive experience
      Average interview

      Application

      I applied through a recruiter. The process took 1 week. I interviewed at ThousandEyes (San Francisco, CA) in Oct 2017

      Interview

      I was reached by a recruited, then asked to implement a home exercise. Then I was invited for an inhouse which consisted of 3 parts: - 1h: Pair programming on a couple of problems - 1h: Pair programming on changes to the home exercise code - 1h: Algorithmic question Overall all the communication was very professional, the interviewers were very polite and warm and the office is actually really cool (they have a super-hero culture with each team member selecting a hero, and with super hero theme items all over the office)

      Interview questions [4]

      Question 1

      Home assignment: Render vehicle positions on SVG map in real-time
      Answer question

      Question 2

      Finish the implementation for a basic function which iterates over a nested array-object data structure and filters results.
      Answer question

      Question 3

      Implement a generic function to reduce a tree (should work with any function callback)
      1 Answer

      Question 4

      Implement a function to return all permutations of an array of arrays: ie input: [[a,b,c], [d,e,f], [g,h,i]] should return permutations adg adh adi aeg aeh ...
      Answer question