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      Cognizant

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      Data Scientist Interview

      Dec 6, 2025
      Anonymous Interview Candidate
      Chennai
      No offer
      Negative experience
      Average interview

      Application

      I applied through a recruiter. I interviewed at Cognizant (Chennai) in Dec 2025

      Interview

      I am a former Cognizant employee with 6+ years of AI/ML experience and was excited about the opportunity to return. Unfortunately, the interview was the most unprofessional experience of my career. What happened: Greeted the interviewer with "Good morning" – received no response First statement from interviewer: "Are you really having skills or faking just for interview?" No technical discussion – was handed a paper to write irrelevant AWS code When I requested to share my project experience and awards, was told "Don't waste my time" Entire interview lasted 4–5 minutes with constant rudeness and shouting Was not allowed to speak or demonstrate my actual skills My Take: Having received offers from multiple Big 4 firms where I was treated with respect, this experience was shocking. Rejections are normal, but being subjected to hostile, degrading behavior is unacceptable. The interviewer (blue shirt, seated near hand wash area) displayed zero professionalism and created a harassment-like environment. Advice for Cognizant: Screen interviewers for basic courtesy and professionalism. This reflects poorly on your employer brand. Advice for Candidates: Be prepared for potentially disrespectful treatment. Document everything if this happens to you.
      2

      Other Data Scientist Interview Reviews for Cognizant

      Data Scientist Interview

      Oct 23, 2025
      Anonymous Interview Candidate
      Declined offer
      Neutral experience
      Average interview

      Application

      I interviewed at Cognizant

      Interview

      Efficient and chill, with 3 rounds of interviews, first phone screening, then interview with the Head of AI for technical stuffs and last behavioral round with HR. The whole process was smooth and the interviewers were very helpful.

      Interview questions [1]

      Question 1

      Tell me about various ML models and how do you decide which model to use where.
      Answer question

      Data Scientist Interview

      Sep 10, 2025
      Anonymous Interview Candidate
      Pune
      No offer
      Negative experience
      Easy interview

      Application

      I interviewed at Cognizant (Pune)

      Interview

      The recruiter reached out to me. There were a total of 2 rounds of interviews. After 1st round of interview, they scheduled my last technical, which happened on the following weekend. The interviewer did not join the call. They rescheduled it further 4 times in the coming week, but the manager who was supposed to conduct the interview did not appear. The recruiter apologized, but then never scheduled that round. I felt my time was wasted in the process.

      Interview questions [1]

      Question 1

      Tell me your previous projects.
      Answer question