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      Data Scientist Interview

      3 Aug 2023
      Anonymous interview candidate
      No offer
      Negative experience
      Average interview

      Application

      I applied through a recruiter. The process took 3 weeks. I interviewed at Walmart in Jul 2023

      Interview

      The interview process consisted of a phone screen with a recruiter and a video call with the hiring manager. The recruiter was reasonably pleasant, but he went over the time we had scheduled for the call by 30 minutes. During this call, the recruiter told me the (noncompetitive) pay bands, that the position would require a significant amount of work, and I'd have to commute from a major tech hub city to a neighboring town to go into the office. At this point I should have just dropped out of the process, but I continued onto the next stage to see if the hiring manager would provide a different perspective. The video call with the hiring manager, however, was unpleasant. The hiring manager had a jarringly flat affect and made no effort to make the interview experience comfortable. He started by giving a confusing explanation of the role (which he contradicted later in the interview). Following that, he asked a series of generic data science interview questions without context to a larger goal or connection in theme. By the end of the interview, it became clear he was looking for one particular answer to each of these questions—not a discussion of the merits and flaws of potential approaches. He also became a rude; I suppose my answers had been displeasing. The following day, I received the rejection email saying the team was looking for "a stronger mix of technical acumen, domain expertise and communication skills." The reason I'm giving this interview a negative experience rating is that my time wasn't valued, the hiring manager was rude, and the feedback was useless. Feedback on an interview is only helpful insofar as it's actionable, and the feedback I was given doesn't remotely qualify as such—a simple form rejection email would suffice. It should go without saying, but the sales pitch of low pay, hard work, and a long commute doesn't inspire candidates to diligently prepare for their interviews. Treating candidates rudely under these circumstances adds insult to injury.

      Interview questions [1]

      Question 1

      How would you determine if a classifier is biased?
      Answer question
      1

      Other Data Scientist interview reviews for Walmart

      Data Scientist Interview

      30 May 2026
      Anonymous interview candidate
      Toronto, ON
      No offer
      Positive experience
      Easy interview

      Application

      I interviewed at Walmart (Toronto, ON)

      Interview

      It was not that bad, 3 initial rounds overall okay, it would have been nice if they added some more depth in questions and asked good questions. and it would have been great if they call or tell something before interview.

      Interview questions [1]

      Question 1

      telll me about yourselfand stuff like that.
      Answer question

      Data Scientist Interview

      24 May 2026
      Anonymous employee
      Accepted offer
      Positive experience
      Difficult interview

      Application

      I interviewed at Walmart

      Interview

      A former colleague referred me to the data scientist position, and I was excited to dive in. The interview process was intense, starting with a phone screen that led to a technical round focused on SQL and experiment design. I was asked to write a complex SQL query and design an experiment for a forecasting model. Lucky timing — I had reviewed similar questions on prachub.com during my prep, which really helped boost my confidence. After a final behavioral round, I received an offer and happily accepted.

      Interview questions [2]

      Question 1

      Write a SQL query using window functions to find, for each product category, the item with the highest month-over-month sales growth
      Answer question

      Question 2

      Design an experiment to test a new demand-forecasting model against the current production model and explain how you'd decide whether to ship it
      Answer question

      Data Scientist Interview

      28 Apr 2026
      Anonymous interview candidate
      No offer
      Negative experience
      Difficult interview

      Application

      I interviewed at Walmart

      Interview

      terrible Data Scientist role interview process, took 3 months and got rejected after final interview where the interviewer didn't have my resume and asked something else which the recruiter did not mention to prepare