Founding Full-Stack Engineer — Ownership & Impact

Fabrion; San Francisco (CA); On-site; USD 180,000 - 260,000; Full time

Benefits offered by this job

Meaningful equity

Ownership over product and technical direction

Mission-driven team

Strong engineering culture

Job summary

A technology startup based in San Francisco is seeking a Founding Engineer (Full Stack) to architect and build their platform. This role offers significant equity and ownership over core architecture while working on large-scale data systems and AI-native agents. Ideal candidates will have 5+ years in full stack development, experience with modern frameworks, and a passion for building impactful systems in a startup environment.

Qualifications

• 5+ years as a full stack or backend engineer.
• Experience owning and delivering production systems end to end.
• Prior experience with modern frontend frameworks like React and Next.js.

Responsibilities

• Architect and build scalable APIs, backend services, and web application components.
• Collaborate closely with product and design to prototype and ship features quickly.
• Help define engineering processes, contribute to documentation, and grow the early team.

Skills

Full stack development

API development

Cloud infrastructure

Frontend frameworks

Team collaboration

Tools

TypeScript (Node.js)

Python (FastAPI)

React

Next.js

Postgres

AWS

Docker

Job description

A technology startup based in San Francisco is seeking a Founding Engineer (Full Stack) to architect and build their platform. This role offers significant equity and ownership over core architecture while working on large-scale data systems and AI-native agents. Ideal candidates will have 5+ years in full stack development, experience with modern frameworks, and a passion for building impactful systems in a startup environment.