Senior Frontend Engineer

Role overview This Senior Frontend Engineer role focuses on building the next generation of consumer-facing personal AI interfaces for health and wellness. The engineer works across web and mobile applications, partnering closely with design to turn concepts into polished, performant experiences, while also helping set technical direction and mentoring more junior team members on a small, product-focused engineering team.

Responsibilities - Design and implement new features across web and mobile platforms, translating design concepts into polished, performant interfaces. - Write clean, maintainable TypeScript and React code backed by comprehensive tests, and participate actively in code reviews and architectural discussions. - Optimize application performance and accessibility across surfaces and devices. - Mentor junior engineers and contribute to the technical direction of the frontend stack. - Collaborate cross-functionally with design, product, and backend teams to ship end-to-end product changes.

Requirements - 5+ years of professional frontend development experience. - Expert-level TypeScript and React knowledge, with hands-on experience using Next.js or a comparable framework. - Strong understanding of web performance optimization and accessibility fundamentals. - Experience with state management solutions such as Redux or Zustand. - Excellent communication and collaboration skills, including the ability to mentor teammates and contribute to architectural decisions.

Nice to have - React Native or general mobile development experience. - Background in health tech or other consumer-facing products, real-time data and WebSocket experience, and open source contributions.

Benefits and work setup - Competitive salary of $180K to $250K plus equity, with premium health, dental, and vision insurance. - Unlimited PTO, flexible hours, and a remote-first setup with optional access to a San Francisco office. - $5,000 annual learning budget and a complimentary Pro-tier product subscription for the engineer and their family.