Staff/Sr. Staff Software Engineer, Product Engineering

Job summary

Responsibilities

As a Staff or Senior Staff Software Engineer on the Product Engineering team at Harvey, you will own and lead engineering projects that span multiple Product Engineering teams and product lines.

• Bring AI to where our customers already work: build Harvey across every surface — web, desktop, mobile, and embedded experiences (Google Docs, MS Word, Outlook, and Slack), and…
• Lead large, high-priority projects that span multiple teams, and define the technical bets we make over the next several quarters.
• Find the problems that are business critical, prioritize ruthlessly, and make the big tradeoff calls without slowing anyone down.
• Build AI-platform and AI-native capabilities — the agent harness, agent building (custom agents and workflows), tool calling, retrieval, memory and context management…
• Ship the systems that make Harvey work: retrieval over petabyte-scale document corpora, ingestion growing 10x every six months, data collection across 50+ jurisdictions, and…

What they're looking for

• 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 — and enough range to be useful outside it.
• Experience building scalable, extensible systems that support multiple product lines.
• Track record of shipping highly intuitive products in fast-growing SaaS, strong attention to detail.
• Experience with React, TypeScript, CSS (we use TailwindCSS), Python, or related. For agents/AI, proficiency in Python plus hands-on work building and shipping agentic systems —…

Tech stack

• React
• TypeScript
• Python
• PostgreSQL