# Backend Engineer at Guac

- Company: Guac (YC S23)
- What the company does: AI-powered forecasting & replenishment for grocery. Backed by Y Combinator.
- Company website: https://www.guac.com/
- Type: Startups (AI role)
- Level: Mid level
- Location: New York, NY, US
- Work setup: On-site
- Pay: $150K to $250K base salary per year (USD)
- Posted: 2026-05-26
- Apply by: 2026-10-08
- Apply: https://www.ycombinator.com/companies/guac/jobs/NECdEjo-backend-engineer
- Page: https://www.1752.vc/careers/jobs/guac-backend-engineer/

## About the role

As a Backend Engineer at Guac, you'll have real impact and ownership over technical decisions, strategy, and product direction. Your responsibilities will include:

## What they're looking for

- 3+ years of relevant software engineering experience
- Strong proficiency in Python and associated frameworks (FastAPI or similar)
- AI-native: you use Claude Code, Cursor, or similar AI coding tools daily and ship significantly faster because of it
- Hands-on experience building with LLMs — tool use / function calling, RAG, agents, or evals — and familiarity with MCP or similar protocols for connecting models to data and systems
- Experience designing and operating data-intensive backend systems (ETL, large-scale pipelines, distributed processing)
- (Bonus) Experience in customer-facing technical roles (e.g. forward deployed engineer)

Tags: Engineering
