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HarveyHarveySan Francisco, CA

Senior Software Engineer, Frontend

Leads end-to-end frontend engineering for AI-powered legal products like Assistant, Vault, and Workflows using React and TypeScript. Builds high-performance UIs, architects design systems, optimizes performance, and mentors peers in a hybrid San Francisco environment.

200k – 260k/yr
HybridFrontend Engineering

About the role

What You'll Do

  • Build new interfaces for lawyers and organizations to collaborate with AI.
  • 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.
  • Build polished, high-performance React + TypeScript interfaces using TailwindCSS, with crisp interactions, resilient state management, and strong error handling.
  • Architect reusable components and patterns and evolve our internal design system.
  • Optimize frontend performance at scale.
  • Collaborate tightly with design and backend/infrastructure to shape APIs and UX for long-running jobs, streaming results, and tool-calling workflows.
  • Raise the bar on frontend reliability and security UX for enterprise and regulated environments.
  • Mentor peers through thoughtful code reviews and documentation; help refine our frontend standards and developer experience.

What You Have

  • Experience with React, Typescript, and CSS (we use Tailwind CSS)
  • Track record of building fast-growing SaaS products by leveraging PWA technologies
  • Track record of shipping highly intuitive products, strong attention to detail
  • Experience working at startups and scaleups (anywhere from early-to-late-stage) is a plus

Compensation Range

$200,000 - $260,000 USD

Skills

ReactTypeScriptTailwindPwaCSS

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