# Senior Front-End Engineer

**Company:** [Mochi Health](https://hotfix.jobs/companies/mochi-health)
**Location:** San Francisco, CA
**Role:** Frontend Engineering
**Salary:** $230k – $280k/yr
**Experience:** 5+ years
**Skills:** React, Next.js, TypeScript, Tailwind, React Query, Zustand, React Native, Expo, Sentry, Datadog
**Posted:** 2026-05-14

> Senior Frontend Engineer owns end-to-end patient and provider interfaces for a high-scale healthcare platform, architecting complex state management, responsive UIs, and AI integrations while ensuring performance and reliability. Requires 5-7+ years React experience, strong product sense, and onsite collaboration in SF.

## Job Description

## What You’ll Do

- **Build High-Density Healthcare Interfaces**: Architect dynamic, multi-step medical intake engines, high-density provider charting dashboards, and patient-facing applications that handle sensitive PHI with perfect state synchronization.
- **Master Client-Side Architecture**: Design robust, scalable frontend architectures that manage complex state, handle asynchronous data fetching cleanly, and ensure interfaces feel instantaneous even when underlying APIs are slow.
- **Collaborate Across the Client Ecosystem**: Work closely with mobile engineers to establish shared state patterns, reusable business logic, and a unified architectural standard across all client platforms (web, React Native, Expo).
- **Champion the User Experience**: Make pragmatic, high-quality design decisions using component systems to improve patient outcomes.
- **Own Frontend Reliability**: Manage frontend deployment pipelines, performance budgets, and client-side observability/error tracking (e.g., Sentry, Datadog).
- **Build Agentic Workflows**: Integrate AI capabilities into product interfaces to automate clinical operations and scale provider workflows.

## Who You Are

- 5-7+ years of frontend engineering experience building and operating production React applications with dense data visualization and accessible user experiences.
- Deep understanding of React render cycle, state architecture, and tradeoffs (SSR, static generation, client-side fetching); pragmatic use of tools like Next.js.
- Strong product sense, eye for design, adherence to design systems.
- Experience using frontier AI tools (e.g., Codex, Claude) to accelerate development while auditing outputs.
- Collaborative with low ego, high standards, excellent communication; thrives in regulated healthcare environments.
- Excited for in-person work 5 days/week in San Francisco office.

**Frontend Stack**: TypeScript, React, Next.js, Tailwind CSS, React Query, Zustand.

**Core Technologies**: TypeScript, JavaScript, Node.js, Next.js, React, React Native, SQL, Redis, Redux, New Relic, Kubernetes, CSS, AWS, Cypress, Docker, Express.

**Compensation**: $230,000 - $280,000.

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