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      what3words

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      Software Engineer Interview

      Aug 2, 2019
      Anonymous interview candidate
      London, England

      Other Software Engineer interview reviews for what3words

      Software Engineer Interview

      Jan 22, 2026
      Anonymous interview candidate
      No offer
      Negative experience
      Easy interview

      Application

      No offer
      Neutral experience
      Average interview

      Application

      I applied in-person. The process took 2 weeks. I interviewed at what3words (London, England) in Jul 2019

      Interview

      -Phone Conversation with HR -Video call with a Software Engineer -On-site Interview with CTO, Team Lead, and two Software Engineers (2 parts, 1 hour each) Basic technical questions were asked, but I felt that they were looking for a person who memorized how data types are structured, Python and Javascript syntax more than concepts. It seem that they want a good coder rather than an engineer.

      Interview questions [10]

      Question 1

      What is difference between kwargs and args in Python?
      Answer question

      Question 2

      Whats the output?
      Answer question

      Question 3

      s = "abcdef" print(s[3:]) Whats is the output?
      1 Answer

      Question 4

      How to delete a property of a JavaScript object?
      1 Answer

      Question 5

      Explain how HashMap works in terms of algorithmic complexity and implementation?
      Answer question

      Question 6

      What are differences between Object Oriented, Functional, and Procedural languages? Give some examples.
      Answer question

      Question 7

      What does rebase command do in Git?
      Answer question

      Question 8

      How CI works after you make a commit?
      Answer question

      Question 9

      s = "aBcDeF" Write a code to swap case in this string in Python? (You need to write on board)
      Answer question

      Question 10

      Is string immutable in Python and Java?
      Answer question
      2

      I interviewed at what3words

      Interview

      The recruitment process was incredibly frustrating. After an initial screening, I was asked to complete a time-intensive take-home assignment. Following the submission, the company went completely silent for a month. Despite my follow-up attempts, I received no feedback or status update. It’s clear they don't value candidates' time, which makes me question the company culture as a whole. I’d advise others to be cautious before investing effort here.

      Interview questions [1]

      Question 1

      Do take-home project with a required coding language.
      Answer question