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Founding Front End Engineer - Manta Cares

Remote, USA Full-time Posted 2026-06-17

About Manta Cares

Navigating cancer is like a treacherous hike, without a map, gear, or guide. Manta Cares has built the most comprehensive self-advocacy toolkit on the market. Manta Cares is transforming cancer. 

We are a digital health company founded & run by cancer patients, survivors, caregivers, and oncologists. Our team has over 50+ years of healthcare experience. We come from McKinsey, Stanford, MIT, ASCO, amongst others. We are funded by top-tier venture funds such as Pear Ventures, Sozo Ventures, and 1843 Capital, and are generating revenue from life-science partners.

A lot of what we do today is in stealth mode, and you will need to chat with us to truly learn more (our website will only tell you so much!).

About the Role

We are building a small but impactful engineering team in San Francisco, and as our first in-house Senior Front-End Engineer, you will play a pivotal role in developing our consumer-facing application. 

You’ll be responsible for taking ownership of our existing React-based codebase, building user-friendly interfaces, and optimizing the front-end to deliver a smooth experience for patients and caregivers. 

As we grow, you’ll have the opportunity to evolve into the Front-End Lead, mentoring new team members and taking a strategic role in the direction of our front-end systems.

As a Founding Front End Engineer at Manta Cares, you will get to

  • Serve as the first in-house front-end engineer, working closely with the head of engineering.

  • Own the React codebase and continue development toward our product launch and beyond.

  • Build and optimize user-facing features for our consumer-oriented application.

  • Collaborate with the design team to transform wireframes into fully functional user interfaces.

  • Ensure performance optimization and responsive design across multiple platforms.

  • Implement best practices in front-end code quality, testing, and documentation.

  • Lead efforts in front-end testing and maintaining reliability of the application.

  • Document front-end systems and contribute to a scalable codebase for future growth.

Yo should have

  • 5+ years of professional front-end development experience

  • Strong proficiency in React and its ecosystem

  • Expert knowledge of JavaScript/TypeScript, HTML5, and CSS3

  • Experience with responsive design and cross-browser compatibility

  • Proven ability to quickly understand and work with existing codebases

  • Experience taking products from development to production

You might also have experience in

  • An eye for product design and an interest in contributing to product discussions.

  • Experience in healthcare/life sciences tech.

  • Familiarity with HIPAA or other user data protection regulations.

  • Experience with state management libraries (e.g., Redux, MobX).

  • Knowledge of accessibility standards and best practices.

What we offer

  • Direct collaboration with company leadership

  • Hybrid work model in San Francisco, with 2 days in the office.

  • Opportunity to work on meaningful problems in the healthcare/life sciences domain

  • Exposure to the full product development lifecycle, from design to production support

  • Flexible, unlimited PTO

  • Health Benefits

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