Software Engineer, Agents (Foundation Agents)

Fieldguide•San Francisco, CA

8d•$190,000 - $220,000•Hybrid

About The Position

Fieldguide is establishing a new state of trust for global commerce and capital markets by automating and streamlining the work of assurance and audit practitioners—specifically in cybersecurity, privacy, and financial audits. We build software for the people who enable trust between businesses. We're based in San Francisco, CA, and backed by Goldman Sachs Alternatives, Bessemer Venture Partners, 8VC, Floodgate, Y Combinator, and more. Over 50 of the top 100 accounting and consulting firms trust Fieldguide to power mission-critical work. The Foundation Agents team stewards the long-horizon agents powering the Fieldguide AI platform. We work at the frontier of AI product development: agent knowledge, evaluations, and improving quality and reliability at scale. If you're excited by long-horizon agents that do real-world work, this is the team for you.

Requirements

Hands-on experience building AI products
Working knowledge of evals and error analysis
Backend engineering experience
You've built AI products, not just called an LLM API
You're curious about evals and error analysis. You want to understand why an agent failed, not just that it did
You're comfortable in the backend, with a bias toward reliable systems
You're motivated by long-horizon agents that do real work in production

Nice To Haves

Platform engineering skills
Frontend experience
Distributed systems experience

Responsibilities

Build and maintain agent knowledge and evaluation infrastructure for Fieldguide's long-horizon agents
Build our next generation of agents at Fieldguide, solving increasingly complex customer use cases
Perform error analysis on agent behavior and help turn findings into concrete quality improvements
Build backend systems that support agent execution, evaluation, and monitoring
Partner with senior engineers on the team to execute the platform's reliability and quality roadmap