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Founding Engineer: Agent Infrastructure

San Francisco💼 Full-time🗓 2026-06-07 → 2026-09-26

Core

Design, build, and operate core infrastructure for a people-data and agent platform, including APIs, LLM-powered workflows, scraping systems, and large-scale knowledge graph architecture.

Role type

Founding Engineer (Infrastructure)

Builds

APIs, LLM-powered workflows, scraping systems, large-scale knowledge graph architecture

Domain

AI/ML infrastructure, data platforms

Deliverable

production ML models | infrastructure

Required skills

system design, API development, LLM integration, knowledge graph architecture, cloud infrastructure, Linux server management, performance optimization, cost efficiency, end-to-end project ownership

Preferred skills

first-principles thinking, high agency, ability to thrive in ambiguity, startup experience

Technologies

cloud platforms, Linux, LLM frameworks, knowledge graph tools

Responsibilities

Architect and maintain production-grade systems handling millions of API requests; own projects from definition to deployment; collaborate with founding leadership on technical strategy and roadmap; contribute to developer documentation and internal tooling

Seniority

Early-stage, hands-on IC with strategic ownership

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