# Applied AI at Rational

- Company: Rational (YC S26)
- What the company does: First Zero-human Accounting Firm. Backed by Y Combinator.
- Company website: https://rational.to
- Type: Startups (AI role)
- Level: Mid level
- Location: San Francisco, CA, US
- Work setup: On-site
- Pay: $120K to $200K base salary per year (USD)
- Posted: 2026-08-28
- Apply by: 2026-10-12
- Apply: https://www.ycombinator.com/companies/rational/jobs/u1XiPpU-applied-ai
- Page: https://www.1752.vc/careers/jobs/rational-applied-ai/

## About the role

Build the AI agents that do real accounting work. You'll own LLM orchestration, eval pipelines, and the agent workflows our customers rely on daily. You care about what actually works in the hands of users, not just benchmarks."

## What they're looking for

- Any (new grads ok) of experience
- US citizen/visa only
- Full-time Engineering role

Tags: Engineering