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      Sema4

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      Sema4 reviews

      was a great experience - Lab Technologist Sema4 Employee Review

      5.0
      2 Jan 2026
      Lab technologist
      Recommend
      CEO approval
      Business outlook

      Pros

      Great staff and pay. Great for entry level

      Cons

      they had to lay off a lot of people

      Explore other reviews about Sema4

      5.0
      18 Dec 2025
      Senior systems administrator
      Recommend
      CEO approval
      Business outlook

      Pros

      Great pay and work-life balance. Great people to work with.

      Cons

      Bad layoffs, and the stock dropped.

      4.0
      21 Dec 2025
      Scientist
      Recommend
      CEO approval
      Business outlook

      Pros

      A lot of chance to learn

      Cons

      Corporate politics was bad at my time

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