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      Sema4

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      Sema4 reviews

      was a great experience - Lab Technologist Sema4 Employee Review

      5.0
      Jan 2, 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
      Dec 18, 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
      Dec 21, 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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