Demo

Founding Engineer - Full Stack

Zero21
San Francisco, CA Full Time
POSTED ON 4/22/2026
AVAILABLE BEFORE 6/21/2026

Hi, thanks for checking out our job board!


If you're an entrepreneurial-minded builder who loves to work with great people to solve wicked problems that have a meaningful impact, read on to see if this position might be a good fit for you!


If healthcare were built today, it would look completely different. Personalized. Preventative. Performance enhancing. With an iconic, category-defining brand and cult following.


We’re on a mission to change the way people engage with their health, for life.


To do this, we’re building the most comprehensive and convenient healthcare system on the planet – a thoughtfully designed, all-in-one platform for easily improving your personal health.


THE ROLE

As Superpower’s founding engineer, you will have a unique opportunity to shape the vision and direction of the company.


We’re looking for a full stack developer who is product-minded and has entrepreneurial DNA and early startup experience. It’s a plus if you are passionate about digital health and longevity.


THE TEAM

You will be joining an experienced team of multi-time founders – our CEO started two prior companies worth >$500m and our founding team is ex. Amazon, YCombinator, Goldman Sachs, Harvard Med, Inside Tracker, and One Medical.


We’re based in San Francisco and have an office in SOMA. The company is well-funded by investors like Susa Ventures, Long Journey Ventures, Balaji Srinivasan, Cyan Bannister, Arielle Zuckerberg, Cameron and Tyler Winklevoss, Dr. Jordan Shlain (Founder of Private Medical, Silicon Valley’s top concierge medical company), Justin Mares, the Founder of Doordash and others.

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Our Tech Stack
  • Typescript mono repo
  • Yarn workspaces
  • ES linting
  • Jest testing framework
  • Webpack
  • Storybook
  • React, express node js
  • AWS, Fargate, Infra as code, Docker
  • Data schema built on FIHR
  • CI/CD github actions
  • Tailwind css
  • Linear, Figma, Notion, Slack


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WHY ARE WE BUILDING THIS?

We believe that the best people and companies of the future will be built different, putting health at the forefront of everything that they do.

Because creating world-changing products, services, and movements requires us to reach our peak potential.

Superpower is the product we’ve always wanted: a thoughtfully designed, all-in-one solution for easily managing our personal health.

It’s not healthcare – it’s Superpower.


WHY SHOULD YOU DO THIS?

The world’s biggest company will be in consumer healthcare

The most magical health tech business fundamentals

A mayo clinic executive program 2.0 in the cloud

Solving longevity – the most important problem of our time


About Zero21

As recruiters helping to build the next generation of industry disruptors, we are committed to expanding the startup ecosystem so that exceptional talent from diverse communities can gain greater access to more early stage companies.


We work only with equal opportunity employers who welcome candidates from underrepresented, underestimated, and traditionally overlooked communities to further diversity, equity, and inclusion in the next cohort of industry-disrupting unicorns.


To all recruitment agencies: Zero21 does not accept agency resumes. Please do not forward resumes to our jobs alias or our team members. Zero21 is not responsible for any fees related to unsolicited resumes.

Salary.com Estimation for Founding Engineer - Full Stack in San Francisco, CA
$106,224 to $136,698
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