Note: The job is a remote job and is open to candidates in USA. Seed Health is a microbiome science company pioneering clinically validated innovations for gut and whole-body health. The Senior Frontend Engineer leads frontend implementation for Seed's digital experience, building fast, accessible, pixel-perfect features on its React/Next.js platform while contributing to the shared design system. The role partners with Design and Product, owns frontend quality, and mentors engineers through code review and pairing.
Responsibilities
- Lead the frontend implementation of new features, from Figma through production
- Translate designs into production-ready code with obsessive attention to spacing, typography, motion, and responsiveness
- Own the frontend architecture behind your features: state management, data fetching, rendering performance, and test coverage
- Build accessible, performant interfaces that hold up across browsers and devices
- Ship safely: feature flags, A/B tests, instrumentation, and clear rollback paths
- Partner early with Design and Product to assess feasibility and resolve ambiguity
- Build composable, reusable React components into our shared library, following its architecture, APIs, and documentation standards
- Use design tokens and theming consistently so that a component built once is available everywhere
- Document what you add via usage guidelines, code examples, and Storybook stories
- Conduct thoughtful code reviews that hold the squad to a high standard in component design, accessibility, and visual fidelity
- Mentor engineers on the team through pairing
- Champion consistent use of the shared component library across our web applications
Skills
- 6+ years of professional experience in frontend engineering
- A strong portfolio or GitHub that shows your frontend work and your eye for UI craft
- A track record of shipping production frontend features end-to-end, on schedule
- Experience working day to day with designers and product managers
- Expert-level React and Next.js (TypeScript required)
- Strong understanding of design systems, design tokens, and component API design
- Strong fundamentals in state management, data fetching, rendering performance (Core Web Vitals), and testing
- Comfortable working from Figma designs and specs
- Experience with Storybook and at least one of CSS-in-JS, CSS Modules, or Tailwind CSS
- Working knowledge of web accessibility standards (WCAG)
- Clear communicator; able to articulate design and technical trade-offs to engineering, design, and product partners
- Comfortable building within an architecture someone else owns while still bringing an independent point of view
- Experience giving and receiving constructive feedback
- Experience translating motion design concepts into production-ready animations (Framer Motion, GSAP)
- Experience in high-growth DTC or e-commerce companies, ideally on a headless Shopify stack
- Fluency with AI-assisted development (Claude Code, Cursor, or similar)
- Knowledge of A/B testing frameworks and experimentation methodologies
- Background in health, wellness, or science-focused consumer brands
- Experience at a consumer brand known for design craft and obsessive attention to detail
Benefits
- Equity
- Multiple medical, dental, and vision plans, with generous employer contributions and coverage options
- Access to top-tier virtual care
- Complimentary Aaptiv membership for fitness and mental wellness
- HSA with employer contributions
- Fullscript discounts for supplements
- 12 free therapy sessions per year for all employees and eligible dependents
- Coaching, meditation, and 24/7 access to Spring Health’s digital tools and care navigation
- 401(k) plan through Betterment, featuring a 100% match on the first 3% and 50% on the next 2% of contributions—fully vested from day one
- 18 weeks of fully paid parental leave, with the flexibility to phase your return
- Four weeks of paid transition time at 80% capacity or four days per week
- 15 vacation days
- 7 sick/safe days
- 2 personal days
- 10 Recharge Days (Summer + Winter)
- 15 paid company holidays each year
- Remote-first culture that prioritizes autonomy and clarity
- $750 one-time remote work setup stipend
- $450 quarterly wellness and workplace stipends via JOON
- Pet insurance
- Life and disability coverage
- Learning & development
- A vibrant culture rooted in science and impact
Company Overview
Company H1B Sponsorship