Why This Job is Featured on The SaaS Jobs
Harvey sits in a growing SaaS segment where enterprise software is being reshaped by agentic AI, with a clear emphasis on security and reliability for regulated, high stakes workflows. A senior full stack engineer role in this context signals product work that spans user experience and platform concerns, typical of SaaS companies building both application features and the underlying systems needed to support multiple product lines.
For a SaaS career, the durable value here is exposure to the mechanics of scaling a product that serves many customers across geographies, while balancing performance, data handling, and governance expectations. Work that touches evaluation of AI capabilities, large scale retrieval, and operational constraints like regional compute capacity builds fluency in modern SaaS delivery, where model behavior, infrastructure cost, and customer outcomes are tightly linked. Experience collaborating across product engineering, AI, and go to market functions also maps well to how mature SaaS organizations ship and iterate.
This role tends to fit engineers who prefer end to end ownership and can move between frontend detail and backend architecture without losing product intent. It also suits professionals who want their SaaS skill set anchored in enterprise grade constraints, where correctness, security, and maintainability are first order considerations.
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 60+ 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 Software Engineer on the Product Engineering team at Harvey, you will own and lead engineering projects across our various product lines. You will work closely with our AI, Legal, and GTM teams to build secure systems that deliver value to our customers. We are looking for individuals who have worked across the stack on incredible products across consumer, enterprise, and various industries and who are excited about building the future of application layer and genAI products.
This role is based in San Francisco, CA. We use an in-person work model and offer relocation assistance to new employees.
What You’ll Do
Retrieval over peta-byte scale documents
Organizational-level interfaces to collaborate with AI
Managing dedicated GPU capacity across 5+ regions
1000-step planning agents that help take companies public
Government-level security for the world's most sensitive matters
Evaluating LLMs across a 10k+ leaf taxonomy of tasks
Internet-scale data collection from over 50+ jurisdictions
What You Have
5+ YoE (post-BS/MS) in a product focused full-stack software engineering role.
Experience with React, Typescript, CSS (we use TailwindCSS), Python, or related.
Track record of building fast-growing SaaS products by leveraging PWA technologies.
Track record of shipping highly intuitive products, strong attention to detail.
Experience building backend platforms that can support multiple product lines.
Strong programming skills and general Computer Science knowledge.
Grit - experience working at early-stage startups is a plus.
Compensation Range
$200,000 - $260,000 USD
Depending on your location, an Applicant Privacy Notice may apply to you. You can find all of our Applicant Privacy Notices [here].
#LI-KV1
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
