Why This Job is Featured on The SaaS Jobs
This Senior Backend Engineer role sits at the intersection of core SaaS platform engineering and the current wave of AI-enabled product development. Harvey is building an enterprise-grade application layer for legal and professional services, which places unusual emphasis on secure data handling, reliability, and system design that can support multiple product lines and global usage.
For a long-term SaaS career, the work maps to durable backend competencies that travel well across B2B software companies: designing scalable services, building platform capabilities that unblock multiple teams, and making architectural decisions with customer impact. The remit also signals exposure to modern SaaS concerns such as multi-region infrastructure coordination and evaluation workflows for AI systems, which are becoming increasingly relevant as SaaS products embed model-driven features.
This is best suited to an engineer who prefers end-to-end ownership of meaningful backend projects and is comfortable collaborating beyond engineering with product and go-to-market counterparts. It will appeal to someone who enjoys operating close to real customer constraints, where correctness, security, and performance are first-order requirements rather than optimisations added later.
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 700+ 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 Backend 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+ years (post-BS/MS) of backend-focused software engineering experience on product-centric teams
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
Please find our CA applicant privacy notice here.
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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
