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Harvey

Senior Software Engineer, Frontend

Harvey

Frontend Software Engineer building high-performance AI collaboration interfaces at Harvey. Leading UI development for legal tech products and ensuring frontend reliability and security.

Posted 6/12/2026full-timeToronto • 🇨🇦 CanadaSeniorWebsite

Tech Stack

Tools & technologies
ReactTypeScript

About the role

Key responsibilities & impact
  • Build new interfaces for lawyers and organizations to collaborate with AI
  • Lead end-to-end UI features for Shared Spaces 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

Requirements

What you’ll need
  • 4+ years (post-BS/MS) of frontend-focused software engineering experience
  • Experience working across the stack to ship user-facing features with measurable impact
  • Experience with React, Typescript, and CSS (we use Tailwind CSS)
  • Track record of shipping highly intuitive products, strong attention to detail
  • Strong programming skills and general Computer Science knowledge

Benefits

Comp & perks
  • Be part of building something special as a founding member of our Toronto team
  • Structured hybrid working arrangement: 3 days in our Toronto office, 2 days working from home

ATS Keywords

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Hard Skills & Tools
ReactTypeScriptTailwindCSSUI developmentstate managementerror handlingfrontend performance optimizationcomponent architecturedesign system evolutionsoftware engineering
Soft Skills
collaborationattention to detailleadershipcommunicationproblem-solvingiterationuser experience focusreliabilitysecurity awarenessimpact measurement