Staff Software Engineer, Frontend

Harvey Harvey · AI Frontier · San Francisco, CA · Engineering

Staff Software Engineer, Frontend at Harvey, a company transforming legal and professional services with agentic AI. This role focuses on building and leading frontend engineering for AI-powered products like Assistant, Vault, and Workflows, as well as integrations with Microsoft Word and Outlook. The engineer will own end-to-end UI features, architect reusable components, optimize performance, and collaborate with design and backend teams on APIs and UX for complex workflows. The role emphasizes high standards, reliability, security, and mentoring peers, targeting enterprise and regulated environments.

What you'd actually do

  1. Build new interfaces for lawyers and organizations to collaborate with AI.
  2. Lead end-to-end UI features for Assistant, Vault, Workflows, our Word/Outlook add-ins, and future Harvey products — from scoping and design reviews to implementation, launch, and iteration.
  3. Build polished, high-performance React + TypeScript interfaces using TailwindCSS, with crisp interactions, resilient state management, and strong error handling.
  4. Architect reusable components and patterns and evolve our internal design system.
  5. Optimize frontend performance at scale.

Skills

Required

  • React
  • Typescript
  • CSS
  • TailwindCSS

Nice to have

  • startup experience
  • scaleup experience

What the JD emphasized

  • enterprise and regulated environments