Skip to content

Senior Software Engineer, Frontend

200k – 260kSan Francisco, CAHybrid
Summary

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.

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
ReactTypeScriptTailwind CSSPWACSS
Similar roles at this salary range
All Frontend Engineering jobs →
Counsel Health

Senior Software Engineer

Senior Frontend Engineer building patient and physician-facing AI-enabled healthcare interfaces. Requires 5+ years production frontend experience with React, Next.js, TypeScript, and strong design systems expertise.

185k – 215kNew York, NY +1Frontend EngineeringHybridCSSReact
Grow Therapy

Frontend Engineer, Platform

Own and evolve the design system and shared frontend platform (Next.js, React, component libraries) that powers all product teams. Drive consistency, performance, accessibility, and developer experience across web surfaces.

182k – 250kNew York, NY +2Frontend EngineeringHybridNxCSS
Grow Therapy

Frontend Engineer, Product

Product-focused Frontend Engineer building marketplace experiences (search, matching, booking) with designers and PMs. Owns end-to-end implementation, visual polish, and design system contributions.

166k – 250kNew York, NY +2Frontend EngineeringHybridCSSWCAG
Phantom

Frontend Engineer, Growth & Engagement Team

Build and refine onboarding, home, and discovery experiences for a consumer crypto wallet. Work with Product, Design, Backend, and Data teams to ship polished, experiment-driven features across mobile and web.

200k – 250kUnited StatesFrontend EngineeringRemoteReactTypeScript
Reddit

Frontend Engineer, Ads Growth

As a mid-level Frontend Engineer on the Ads Growth Activation team, you will build user-facing products and experimentation surfaces to help new and existing advertisers successfully adopt and unlock value from the Reddit Ads platform.

164k – 230kUnited StatesFrontend EngineeringRemoteGogRPC