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      Senior Data Scientist Interview

      Feb 13, 2026
      Anonymous Interview Candidate
      Dublin, Dublin
      No offer
      Negative experience
      Average interview

      Application

      I applied through an employee referral. I interviewed at Optum (Dublin, Dublin) in Feb 2026

      Interview

      3 rounds Optum Dublin, Ireland HR screening (try to know you, checks alignment, salary expectations) Technical round with Team (Principal Data Scientist and Senior Data Scietist) Final round with Director and Senior Director. (the part where you have to sell your soul and lie every step)

      Interview questions [1]

      Question 1

      Why do you want to join Optum?
      1 Answer
      2

      Other Senior Data Scientist Interview Reviews for Optum

      Senior Data Scientist Interview

      Oct 6, 2025
      Anonymous Interview Candidate
      No offer
      Negative experience
      Easy interview

      Application

      I applied through an employee referral. The process took 1 week. I interviewed at Optum in Oct 2025

      Interview

      1. Initial round - 30-45 mins PHONE CALL from HR asking long questions with a poor connectivity - never seen anybody interviewing on a phone call (no internet call). She had a thick accent from UK. 2. Tech round 1 - two managers taking a deep dive on projects and experience, one of them has zero listening ability, lowest communication skills for a Principal, poor English speaker. When the candidate is answering he would cut in the middle and ask something for the sake of asking questions.

      Interview questions [1]

      Question 1

      After talking though extensive experience in AI and GenAI and LLMs, he asked difference between Gemini and GPT.
      Answer question

      Senior Data Scientist Interview

      Oct 2, 2025
      Anonymous Interview Candidate
      Dublin, Dublin
      No offer
      Negative experience
      Easy interview

      Application

      I applied online. The process took 3 weeks. I interviewed at Optum (Dublin, Dublin) in Sep 2025

      Interview

      Had 2 rounds of interviews and both of them went really well, lovely interviewers as well. After the 2nd round I was told that the interviewers were really impressed, recruiter asked me about my relocation process which all went pretty well and he said 'unofficially' it was all good and to expect the offer in a few days in the same week.. until I told him that I was going on a short trip the next day - which should have no effect on the process because I completed everything and was leaving the next day - but the recruiter got annoyed, asked me where I am going and asked all sorts of question around my trip and the whole attitude changed. It should not have any affect on the selection process (right?) as my notice period was only 2-4 weeks anyway. He called me the next day and said the interviewers have selected someone internally and I was out of the process. It was all so bizarre. Steer clear of any of your travels/plans/your home country because they can use that against you for reasons unknown.

      Interview questions [1]

      Question 1

      asked me about the various accuracy metrics in detail
      Answer question