501+ employees
101 - 250 engineers
$100m+ funding
Series b

We offer genetic testing products and we combine them with digital health insights software. Check us out at

Active Roles

Why join us?

  • We are making a positive social impact on the world through genetic testing and health insights.

  • We're financially healthy. We're currently selling 150,000- 200,000 genetic tests per year and recently raised a large funding round from top notch investors.

  • Engineering is going through hyper scale. We are looking to double the team in the next 3-6 months.

Engineering at Sema4

Engineering team and processes

We're an agile and collaborative group. Each feature we deliver is through the collective work of product, engineering, design and our program team.

Technical Challenges

Building bug free software is paramount. If a user does not have a disease, we can never show that they do. Our engineering processes reflect the importance of testing and quality.

Projects you might work on
  • We're ingesting millions of patient records to do predictive analytics and build web apps so doctors can better gain insight into patient diseases.

  • We're building a provider platform where doctors can order our genetic tests and view the results of those tests. Going forward, this application will dive into the world of oncology and generate insights for doctor to work with patients.

  • We're building a patient platform where patients themselves can view insights and test results.

Tech stack
Ruby on Rails

Working at Sema4

The following list is our engineering values. We seek to create a culture that abides by this values.

Quality is Paramount Continuous Improvement Ownership Mindset Transparent and Open Trust and Accountability Ask Questions Incredible Teamwork

Perks & benefits
  • Generous Vacation

    20 Days PTO

  • Beautiful Office

    We work out of Union Square in Manhattan, by far the best location to work in the city.

  • Maternal/Paternal Leave

    Currently a 6 week leave for new parents.

  • Flexible Hours

    We are an in office culture that is focused on results. That's why we are understanding when hours need to be flexible.

  • 401(k) Contribution

    We offer a generous 6% match on your 401k.

  • Health Insurance

    We offer a partially paid health insurance plan that is great for individuals and families.

Our Team by the Numbers

External Links

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