Senior Frontend Engineer

Sunny Health AI Inc.; San Francisco (CA); On-site; USD 120,000 - 150,000; Full time

Benefits offered by this job

Competitive salary and equity package

On-site collaboration

Comprehensive benefits

Long-term growth opportunities

Job summary

Sunny Health AI Inc. is seeking a Senior Frontend Engineer in San Francisco, CA, to develop intuitive, high-performance web experiences in a healthcare environment. You will be responsible for building responsive interfaces and integrating with backend services while ensuring adherence to design, UX, and accessibility standards. The ideal candidate has 5+ years of frontend engineering experience with strong skills in React and TypeScript. A competitive salary, equity package, and comprehensive benefits are offered.

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.

Responsibilities

• Build responsive, accessible, and performant web interfaces using modern frontend technologies.
• Integrate with backend APIs and AI services to deliver explainable workflows.
• Implement and uphold design system, UX, and accessibility 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.
• Contribute to frontend architecture, tooling, and best practices.

Skills

Frontend engineering

React

TypeScript

REST APIs

GraphQL APIs

Accessibility (WCAG)

Performance optimization

Job description

Senior Frontend Engineer — On-site (San Francisco, CA)

Job Description

We’re 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’ll own major portions of our frontend application and collaborate closely with backend and product teams in a regulated healthcare environment.

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.

Contribute to frontend architecture, tooling, and best practices.

Requirements

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.

What We Offer

Competitive salary and equity package.

Ownership over core user experiences in a high-impact product.

On-site collaboration with design, product, and backend teams.

Comprehensive benefits and long-term growth opportunities.