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      McKinsey & Company

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      Fellow Data Scientist Interview

      Sep 30, 2019
      Anonymous employee
      Gurgaon, Haryana
      Accepted offer
      Positive experience
      Difficult interview

      Application

      I applied through an employee referral. The process took 1 day. I interviewed at McKinsey & Company (Gurgaon, Haryana) in Sep 2019

      Interview

      Got an interview call through referral. 3 rounds in total: 1. Technical + experience + fitment + case/situation 2. Fitment interview 3. Case based + technical There were 4 rounds in general but I didn’t get the last one as I had my first one with the Analytics head. Overall it was a great experience.

      Interview questions [1]

      Question 1

      It was very sudden: What is the sqare root of 0.9? How would you design a model for premium calculation in case of P2P lending loan insurance? Design a model for deciding spending limit on credit card to a customer.
      Answer question

      Other Fellow Data Scientist Interview Reviews for McKinsey & Company

      Data Science Fellow Interview

      Oct 20, 2025
      Anonymous Interview Candidate
      No offer
      Positive experience
      Average interview

      Application

      I applied online. The process took 3 months. I interviewed at McKinsey & Company in Jun 2025

      Interview

      The interview lasted for 3.5 months. 1. HR Phone interview 2. Online Assessment: python coding problems 3. Round 1: Two PEI (Behavioral) 4. Round 2: TEI (past technical experience)+ technical assessment (A data challenge)

      Interview questions [1]

      Question 1

      What is the difference between XGBoost and Logistic regression?
      Answer question

      McKinsey & Company interviews FAQs

      • Fellow Data Scientist applicants have rated the interview process at McKinsey & Company with 3 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 64.4% positive. This is according to Glassdoor user ratings.
      • Candidates applying for Fellow Data Scientist roles take an average of 90 days to get hired, when considering 1 user submitted interviews for this role. To compare, the hiring process at McKinsey & Company overall takes an average of 40 days.
      • Common stages of the interview process at McKinsey & Company as a Fellow Data Scientist according to 1 Glassdoor interviews include:

        Phone interview:  50%

        Skills test:  50%

      • Here are the most commonly searched roles for interview reports -

        1. Business Analyst(1624) ;
        2. Associate(1584) ;
        3. Engagement Manager(1151) ;
        4. Consultant(506) ;
        5. Executive Assistant(457) ;
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        10. Junior Associate(177) ;
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        15. Manager(144) .


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