# Founding Engineer at Lemma

- Company: Lemma (YC F25)
- What the company does: Production Monitoring for AI agents. Backed by Y Combinator.
- Company website: https://www.uselemma.ai/
- Type: Startups (AI role)
- Level: Mid level
- Location: San Francisco, CA, US
- Work setup: On-site
- Pay: $150K to $200K base salary per year (USD)
- Posted: 2026-08-13
- Apply by: 2026-10-08
- Apply: https://www.ycombinator.com/companies/uselemma/jobs/wrFU6bU-founding-engineer
- Page: https://www.1752.vc/careers/jobs/lemma-founding-engineer/

## About the role

Lemma reads all of your agent conversations, finds the failures nobody knew to look for, and opens the PR that fixes them. You'd be the first engineer here who isn't a founder or a contractor.

## What they're looking for

- 3+ years shipping production software, and a track record of shipping well outside whatever you'd call your specialty
- Strong TypeScript. It's the whole codebase, frontend through the core service
- Real comfort with data at volume. You've thought about cost per event, not just correctness
- Strong product sense. You can take a rough problem and return something well considered without a Figma file waiting for you
- You've built with agents and have opinions about why they fail
- Bonus: you were the customer once. You ran agents in production and got burned

Tags: Engineering