Software Engineer, Agents (Foundation Agents)
FieldguideAbout the role
About Us
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.
About the Role
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.
What You’ll Own
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
Who You Are
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
Experience
Must-have:
Hands-on experience building AI products
Working knowledge of evals and error analysis
Backend engineering experience
Nice-to-have:
Platform engineering skills
Frontend experience
Distributed systems experience
What Should Excite You
Long-horizon agents: working on agents that do real, sustained work and not one-shot demos
Evaluation as a craft: Evals and error analysis are core to how this team improves quality
Platform-level impact: Your work shapes the reliability and quality of every agent built on top of it
Frontier problems: You're working on open problems in agent reliability that don't yet have established playbooks
Benefits
Competitive compensation with equity
Comprehensive health and wellness benefits
Flexible time off and work schedules
Technology reimbursements
401(k) plan
Twice-yearly in-person offsites across the U.S.
Wellness benefits starting on your first day
Our Values
Fearless — Inspire and break down seemingly impossible walls
Fast — Launch fast with excellence; iterate to perfection
Lovable — Deliver happiness and 11-star experiences
Owners — Execute and run the business with ownership
Win-win — Create mutual value and earn trust for life
Inclusive — Scale the best ideas with inclusive teams
Responsibilities
- Build and maintain agent knowledge and evaluation infrastructure for Fieldguide's long-horizon agents
- Build next generation of agents at Fieldguide, solving complex customer use cases
- Perform error analysis on agent behavior and implement quality improvements
- Build backend systems that support agent execution, evaluation, and monitoring
- Partner with senior engineers to execute the platform's reliability and quality roadmap
Qualifications
- Hands-on experience building AI products
- Working knowledge of evals and error analysis
- Backend engineering experience
- Nice-to-have: Platform engineering skills, Frontend experience, Distributed systems experience
Benefits
- Competitive compensation with equity
- Comprehensive health and wellness benefits
- Flexible time off and work schedules
- Technology reimbursements
- 401(k) plan
- Twice-yearly in-person offsites across the U.S.
- Wellness benefits starting on your first day
Skills mentioned
About Fieldguide
Fieldguide is the leading transformation partner for agentic audit and advisory. We help the industry's most sophisticated teams build the agentic firm: an operating model where practitioners lead and Field Agents orchestrate and execute the work end to end. Already trusted by more than half of the top 100 firms (and 8 of the top 10), Fieldguide combines practitioner-built methodology with industry-specific AI, certified to the highest standards including AIUC-1 and ISO 42001. Firms that transform with Fieldguide unlock 10x growth, practitioners spend more time on judgment and client relationships, and clients get sharper answers, not just faster ones. Expertise, amplified. Fieldguide has raised $125M and is backed by top institutions, including Goldman Sachs, Bessemer Venture Partners, 8VC, Y Combinator, Floodgate, and more.
H-1B sponsorship history
Historical employer filing data was found for Fieldguide. The employer record includes 3 historical certified applications. This is employer-level history, not a guarantee that this role currently offers sponsorship.