Founding AI Platform Engineer

davidjoseph-co; San Francisco (CA); On-site; USD 150,000 - 300,000; Full time

Benefits offered by this job

Equity 0.4–0.8%

On-site in San Francisco

Job summary

davidjoseph-co in San Francisco, CA is seeking a founding engineer to own core systems end-to-end and shape the technical direction. You will work across AI-agent components and platform infrastructure, guiding architectural decisions and building foundational patterns.

The role requires 2–5 years of full-stack/backend experience, strong TypeScript skills, and a track record of shipping complex software within a venture-backed startup.

Qualifications

• 2–5 years as a full-stack or backend engineer.
• Experience at a venture-backed startup in early stage.
• Track record shipping complex software end-to-end.
• Hands-on AI agents and LLMs development experience.
• Strong TypeScript and modern full-stack skills.
• Bachelor's in CS or Engineering (flexible).
• Comfort operating with autonomy and building from scratch.

Responsibilities

• Build AI coding agents from scratch for supply-chain connectivity.
• Develop and maintain core infrastructure for integrations.
• Own systems end-to-end from agent platform to runtime.
• Establish engineering patterns and practices for future hires.

Skills

Full-stack or backend engineer

TypeScript

AI agents / LLMs

Autonomy

Education

Bachelor's degree in CS or Engineering

Tools

TypeScript

React

Bun

Effect-TS

PostgreSQL

Kubernetes

AWS

Job description

davidjoseph-co in San Francisco, CA is seeking a founding engineer to own core systems end-to-end and shape the technical direction. You will work across AI-agent components and platform infrastructure, guiding architectural decisions and building foundational patterns.

The role requires 2–5 years of full-stack/backend experience, strong TypeScript skills, and a track record of shipping complex software within a venture-backed startup.