Why This Job is Featured on The SaaS Jobs
This Senior Software Engineer, Frontend role sits at a point where SaaS product design meets enterprise adoption, with an interface layer that has to translate complex AI capabilities into dependable workflows. In the current SaaS landscape, the differentiator is often the product surface area, especially when customers expect polished UX across core web apps and integrations like Microsoft Word and Outlook.
For a SaaS career, the work maps closely to the skills that remain portable across categories: building maintainable UI systems, shaping patterns that scale across multiple products, and treating performance and reliability as product features. The emphasis on reusable components, design systems, and collaboration with backend and infrastructure reflects how mature SaaS teams reduce friction as product lines expand. Exposure to long running jobs, streaming results, and tool calling workflows also aligns with how modern SaaS products are incorporating AI without compromising user trust.
This is best suited to an engineer who prefers end to end ownership of customer facing features and is comfortable balancing craft with pragmatism. It will fit someone who enjoys partnering closely with design, can make architectural calls in the frontend stack, and wants to mentor through code review and standards rather than operating as an isolated implementer.
The section above is editorial commentary from The SaaS Jobs, provided to help SaaS professionals understand the role in a broader industry context.
Job Description
Why Harvey
At Harvey, we’re transforming how legal and professional services operate — not incrementally, but end-to-end. By combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise, we’re reshaping how critical knowledge work gets done for decades to come.
This is a rare chance to help build a generational company at a true inflection point. With 1000+ customers in 58+ countries, strong product-market fit, and world-class investor support, we’re scaling fast and defining a new category in real time. The work is ambitious, the bar is high, and the opportunity for growth — personal, professional, and financial — is unmatched.
Our team is sharp, motivated, and deeply committed to the mission. We move fast, operate with intensity, and take real ownership of the problems we tackle — from early thinking to long-term outcomes. We stay close to our customers — from leadership to engineers — and work together to solve real problems with urgency and care. If you thrive in ambiguity, push for excellence, and want to help shape the future of work alongside others who raise the bar, we invite you to build with us.
At Harvey, the future of professional services is being written today — and we’re just getting started.
Role Overview
As a Senior Software Engineer, Frontend at Harvey, you will own and lead engineering projects that define the user experience of our different products: Assistant, Vault, Workflows, and Harvey in Microsoft Word and Outlook. You will also lead frontend engineering on new products that we are building at Harvey. The team is composed of highly motivated, skilled, and considerate engineers. Everything we touch is polished to high standards extending to all aspects of our work – from design to architecture to code to slack communication. If any of this resonates with you, this role might be right for you.
This role is based in New York, NY. We use a hybrid in-person work model and offer relocation assistance to new employees.
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
#LI-ML1
Harvey is an equal opportunity employer and does not discriminate on the basis of race, gender, sexual orientation, gender identity/expression, national origin, disability, age, genetic information, veteran status, marital status, pregnancy or related condition, or any other basis protected by law.
We are committed to providing reasonable accommodations to applicants with disabilities, and requests can be made by emailing accommodations@harvey.ai
