Senior Software Engineer, AI Agent Platform

Doist; San Francisco (CA); On-site; USD 193,000 - 290,000; Full time

Job summary

Harvey is seeking a Senior Software Engineer, Agents, in San Francisco to build and optimize agentic AI systems for legal professionals. You will design environments, manage context, and enable fast iteration by evaluating and selecting tools and models.

The role emphasizes practical evaluation-driven delivery and strong ownership. You will collaborate with the model infra team and PMs to ship reliable agent capabilities, with a focus on performance, observability, and user‑facing impact across

Qualifications

• 5–8 years of software engineering experience.
• Proficiency in Python with experience using LLM APIs and agent frameworks.
• Experience shipping user‑facing products, backend or full‑stack.
• Iterative mindset and ability to ship v0s quickly.

Responsibilities

• Partner with customers and PMs to understand workflows and design practical evaluations.
• Optimize agent performance through prompt engineering, model selection, and tool design.
• Develop infra for low-latency agent execution and caching strategies.
• Improve observability to profile behavior and guide optimization.
• Stay current on agentic systems and bring learnings to product development.

Skills

Python

LLM APIs

Agent frameworks

Backend development

Full-stack

Job description

Harvey is seeking a Senior Software Engineer, Agents, in San Francisco to build and optimize agentic AI systems for legal professionals. You will design environments, manage context, and enable fast iteration by evaluating and selecting tools and models.

The role emphasizes practical evaluation-driven delivery and strong ownership. You will collaborate with the model infra team and PMs to ship reliable agent capabilities, with a focus on performance, observability, and user‑facing impact across