Senior Software Engineer, Agents

Responsibilities

• ▹Partner with customers and PMs to understand legal workflows, design practical evaluations, 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 the model infra team to design and implement infrastructure for low-latency agent execution, including caching strategies, parallel tool calls, and subagent patterns
• ▹Improve observability and instrumentation to profile agent behavior, identify bottlenecks, and drive optimization decisions
• ▹Stay current on developments in agentic systems and bring those learnings back to the products

Requirements

• ▹Passion for building effective domain-specific agents
• ▹Iterative mindset: build 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, driving adoption of new best practices
• ▹5-8 years (post-BS/MS) of software engineering experience
• ▹Proficiency in Python and experience working with LLM APIs and agent frameworks
• ▹Experience shipping user-facing products, either on the backend or full-stack

Soft skills

About the company

Harvey builds an enterprise-grade, agentic AI platform for legal and professional services, serving 2,400+ customers in 70+ countries.