Key skills
FirebaseJavaScriptNext.jsReactAnalyticsVitestPlaywrightTesting LibrarySentryCaching
About this role
Role Overview
- Build and maintain a production-grade Next.js (App Router) application
- Implement responsive, accessible UI using Tamagui shared across web and mobile
- Manage client-side data fetching and caching with TanStack Query
- Integrate Stripe payments using Stripe.js and react-stripe-js
- Consume REST APIs and custom authentication hooks backed by Firebase
- Implement analytics (PostHog) and error tracking (Sentry)
- Write and maintain high-quality tests using Vitest, React Testing Library, and Playwright
- Ensure accessibility compliance using tooling such as eslint-plugin-jsx-a11y and axe-core
- Collaborate with design and product to translate complex health concepts into clear UX
Requirements
- 4+ years of professional frontend development experience
- Strong experience with React and Next.js in production environments
- Solid understanding of web accessibility, performance, and SEO fundamentals
- Experience integrating third-party APIs and payment systems
- Familiarity with modern frontend testing practices
- Strong familiarity with web application security concerns
Tech Stack
- Firebase
- JavaScript
- Next.js
- React
Benefits
- 100% employer-paid medical, vision, and dental insurance (multiple plans available).
- 100% employer-paid life insurance, short-term, and long-term disability insurance.
- Employer-sponsored HSA contributions for HDHP medical plans
- Additional HSA and FSA spending account plans for employees
- 401(k) with a 5% company match.
- Generous PTO and holiday schedule.
- Company-issued technology and work-from-home stipend.
- A chance to shape a product, and a company, from the ground up.
- The opportunity to work at the forefront of health and longevity science with a team of world-class professionals dedicated to precision, mastery, and excellence.