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Founding Engineer

San Francisco💼 Full-time💰 $200,000–$300,000🗓 2026-09-24 → 2026-09-25

Core

Build backend systems and LLM agents for an AI-native B2B SaaS platform serving industrial ingredient manufacturers, handling document ingestion, compliance workflows, and full-stack feature delivery.

Role type

Founding Engineer (0-1 ownership)

Builds

Document ingestion pipelines, LLM agents for compliance/food safety, and full-stack product features.

Domain

Industrial ingredient manufacturing, AI/LLM, B2B SaaS

Deliverable

production ML models | product features

Required skills

Full-stack engineering, backend service design, relational schema design, LLM agent development, JVM backend (Kotlin/Spring Boot), React/Next.js, cloud provider integration

Preferred skills

Experience integrating multiple model providers (Gemini, Anthropic, OpenAI), side projects, open-source work, independently launched products

Technologies

Kotlin, Spring Boot, React, Next.js, Postgres, GCP, AWS, Azure, Gemini, Anthropic, OpenAI

Responsibilities

Build backend systems to ingest and process real-world documents from ERPs and inboxes; Develop LLM agents for complex compliance and food safety documents; Own features end to end across the full stack; Ship fast and iterate on real user feedback; Work daily with founders on product direction and technical decisions

Seniority

Founding, hands-on IC

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