Senior Frontend Engineer: Own Core UI (React/TypeScript)

Sunny Health AI; San Francisco (CA); On-site; USD 180,000 - 250,000; Full time

Benefits offered by this job

Competitive salary

Equity package

On-site collaboration

Benefits & growth

Job summary

Sunny Health AI is hiring a Senior Frontend Engineer to build intuitive, accessible, and high-performance web experiences that guide users from I need care to confident next steps. You will own major portions of our frontend application and collaborate closely with backend and product teams in a regulated healthcare environment.

Responsibilities include building responsive interfaces, integrating with APIs and AI services, upholding WCAG standards, and ensuring PHI/PII protection at the

Qualifications

• 5+ years of professional frontend engineering experience.
• Deep proficiency with React and TypeScript (or a similar modern framework).
• Experience integrating REST and/or GraphQL APIs.
• Strong understanding of frontend performance, accessibility, and security.
• Ability to collaborate effectively with backend teams, including Rust-based services.

Responsibilities

• Build responsive, accessible, and performant web interfaces using modern frontend technologies.
• Integrate with backend APIs and AI services to deliver explainable, trustworthy workflows.
• Implement and uphold design system, UX, and accessibility (WCAG) standards.
• Collaborate with product, design, and backend engineering to deliver features end-to-end.
• Ensure secure handling of PHI and PII at the presentation layer.

Skills

Frontend engineering

React

TypeScript

Performance optimization

Accessibility (WCAG)

Tools

REST APIs

GraphQL

Rust-based services

Security best practices

Job description

Sunny Health AI is hiring a Senior Frontend Engineer to build intuitive, accessible, and high-performance web experiences that guide users from I need care to confident next steps. You will own major portions of our frontend application and collaborate closely with backend and product teams in a regulated healthcare environment.

Responsibilities include building responsive interfaces, integrating with APIs and AI services, upholding WCAG standards, and ensuring PHI/PII protection at the