AI-powered forecasting & replenishment for grocery. Backed by Y Combinator.
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)
More about this role
At Guac, we're solving grocery food waste with AI. We forecast exactly how much of each product will sell, helping grocery retailers order and produce the perfect amount of inventory — and we're building AI-native tools that put those forecasts directly into the hands of store operators and buyers.
The grocery industry is enormous (it accounts for 4% of GDP) — and grocery food waste is a huge cost to grocers' bottom lines, but also to our planet.
Today, we're working with major supermarket chains in the US and Canada, and we've scaled to 7-figures in ARR. We're backed by leading investors including Y Combinator, 1984 Ventures, Collaborative Fund, and angels from Open AI, Instacart, and Citadel Securities.
We've brought together an exceptional team from Palantir, BCG, Oxford, Cambridge, and MIT to solve intellectually challenging problems and tackle food insecurity and waste with technology.
We're looking for talented engineers in NYC to join our mission.
As a Backend Engineer at Guac, you'll have real impact and ownership over technical decisions, strategy, and product direction. Your responsibilities will include:
- Design and build robust backend services that power...
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