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Staff Software Engineer, Agents

Location
San Francisco
Compensation
$231k–$340k/yr
Level
staff
Type
full time

Posted by employer 5 months ago

First seen on Joblaze 5 months ago

Last verified on the company career page 13 hours ago

Requirements

Experience
8+ years
Education
Bachelor's degree

Not disclosed in this posting: work arrangement, visa sponsorship.

Joblaze summary

In the role of Staff Software Engineer for Agents at Harvey AI, the individual will focus on developing systems that enhance the functionality of AI agents tailored for legal professionals. Key skills include proficiency in Python, experience with LLM APIs, and a strong background in shipping user-facing products. This position is suitable for seasoned engineers with over eight years of experience who thrive in fast-paced environments and are eager to drive innovation in agentic systems. Harvey AI is at a pivotal stage of growth, aiming to redefine professional services through advanced technology.

Joblaze insights

  • Listed about 5 months ago — first seen on Joblaze May 2, 2026. Last confirmed on Harvey AI's careers page October 7, 2026.
  • This exact title is also open at 2 other locations at Harvey AI: New York, New York.
  • Salary band is above the typical range for AI/ML roles (median ~$190,000).
  • Starts above 57% of 106 comparable staff ai/ml roles in United States that list Python we track (median $224,000 across 44 companies). See Python salary trends
  • Python appears in 51.1% of 272 comparable staff ai/ml roles in United States; LLM APIs appears in 0.4% of 272 comparable staff ai/ml roles in United States.

Quick facts

What's the salary range?
Harvey AI lists $231,000–$340,000 for this role.
How much experience is required?
At least 8 years of relevant experience for this Staff Software Engineer, Agents role.
What's the tech stack?
Joblaze extracted these technologies from the posting: LLM APIs, Python, agent frameworks.
What seniority level is this role?
Harvey AI targets staff-level candidates for this position.
Is this full-time or contract?
Full-time for this Staff Software Engineer, Agents role at Harvey AI.

From the original posting

Role Overview

As a Software Engineer, Agents, you'll build the systems that make our AI agents indispensable to legal professionals.

You will design environments and actions for agentic professional work, make model selection decisions, manage context windows, create optimal tools, and develop evals that enable faster iteration loops to unlock new capabilities.

We're looking for engineers and researchers who are immersed in the space, driven to ship impactful products, and are experienced in using practical evaluations to drive task completion quality and customer delight.

Representative Projects

  • Save weeks of effort on high pressure M&A deals by automating information requests and diligence checks across hundreds of thousands of files with retrieval and file editing agents.

  • Dramatically speed up deal turnaround speed by improving the latency and quality of agents on applying a standard legal "playbook" to contracts.

  • Ensure that our clients win their complex, data-hungry litigation cases by optimizing our multi-source retrieval agents.

  • Enable board-ready PowerPoint generation by tuning the harness and libraries for coding agents.

What You'll Do

  • Partner with customers and PMs to understand legal workflows, design practical evaluations that capture what “excellent” means, and ship agents that get the job done.

  • Optimize agent performance through prompt engineering, model selection, tool design, skill writing, context window management, and eval harness development.

  • Work with our model infra team to design and implement infrastructure for low-latency agent execution, including caching strategies, parallel tool calls, or subagent patterns.

  • Improve our observability and instrumentation to profile agent behavior, identify bottlenecks, and drive optimization decisions.

  • Stay current on new developments in agentic systems and bring those learnings back to the products we build.

What You Have

  • Passion for building effective domain-specific agents.

  • Iterative mindset: you develop proof of concepts, make decisions quickly, and ship v0s.

  • Comfortable with when and how to use evaluations to drive quality.

  • Humble and adaptable about code and frameworks. We expect you to drive adoption of new best practices as they develop.

  • 8+ years (post-BS/MS) of software engineering experience.

  • We are hiring for this role across Mid, Senior, and Staff levels.

  • Proficiency in Python and experience working with LLM APIs and agent frameworks.

  • Experience with shipping user-facing products, either on the backend or full-stack.

Compensation Range

$231,000 - $340,000 USD

#LI-BB1

Standard company text repeated across Harvey AI's postings is omitted here.

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