Senior Staff Software Engineer, Product Engineering (Hybrid)

Harvey; San Francisco (CA); Hybrid; USD 231,000 - 340,000; Full time

Job summary

Harvey is seeking a Staff or Senior Staff Software Engineer to own engineering initiatives spanning Product Engineering and multiple product lines. You will collaborate with AI, Legal, and GTM teams to build secure systems delivering value to customers across web, desktop, mobile, and embedded experiences, including Word, Outlook, and Slack integrations.

We value deep experience in full stack, backend or AI, with a track record of shipping intuitive SaaS products.

Qualifications

• 10+ YoE (post-BS/MS) in a product-focused software engineering role, operating at Staff level or above.
• Depth in full stack, backend, or agents/AI.
• Experience building scalable, extensible systems that support multiple product lines.
• Track record of shipping highly intuitive products in fast-growing SaaS.
• Experience with React, TypeScript, CSS (TailwindCSS), Python, or related.
• For agents/AI, proficiency in Python plus hands-on work building and shipping agentic systems.
• AI coding tools are a core part of how you ship.
• A history of influencing engineers and leaders well outside your direct scope.
• Strong programming skills and general Computer Science knowledge.
• Grit — startup experience is a plus.

Responsibilities

• Bring AI to where customers work: across web, desktop, mobile, and embedded experiences and APIs.
• Lead large, high-priority projects that span multiple teams and define technical bets.
• Prioritize ruthlessly and make big tradeoff calls without slowing others.
• Build AI-platform and AI-native capabilities, including agent harnesses, tool use, memory and context management.
• Ship systems: retrieval over large document corpora, and secure data handling across jurisdictions.
• Ship across the stack with React, TypeScript, Python, and Postgres, designing UX and robust APIs.
• Mentor senior and staff engineers and raise the bar across the org.

Skills

10+ YoE in product-focused software

Full stack / backend / AI

React

TypeScript

Python

CSS (TailwindCSS)

PostgreSQL

AI tooling (agent harnesses/loops)

Mentoring engineers

Tools

React

TypeScript

CSS/TailwindCSS

Python

PostgreSQL

Job description

Harvey is seeking a Staff or Senior Staff Software Engineer to own engineering initiatives spanning Product Engineering and multiple product lines. You will collaborate with AI, Legal, and GTM teams to build secure systems delivering value to customers across web, desktop, mobile, and embedded experiences, including Word, Outlook, and Slack integrations.

We value deep experience in full stack, backend or AI, with a track record of shipping intuitive SaaS products.