Fullstack Engineer, AI Agents — Product-Mocused

11x; San Francisco (CA); On-site; USD 180,000 - 250,000; Full time

Job summary

11x is seeking a product-minded fullstack engineer in San Francisco to build core experiences powering our AI agents. You will span the stack, from user-facing features to orchestration and deployment systems, partnering with Product, Design, and AI/Engineering.

This is an in-person role based in our San Francisco office, with collaboration five days a week. You’ll design and ship fullstack systems, explore agent orchestration and prompting strategies, and help improve UX for non-technical users

Qualifications

• 3+ years of experience in a product-oriented software engineering role.
• Strong foundation in Typescript, React, NextJS, and NodeJS.
• Bonus: experience with large language models, prompt engineering, or AI infrastructure.

Responsibilities

• Design, build, and iterate on fullstack systems that power AI agents from concept to deployment.
• Research and evaluate new approaches to agent orchestration, prompting strategies, and model alignment.
• Collaborate with product, design, and engineering teams to improve UX and usability for non-technical users.
• Share learnings, document findings, and contribute to internal best practices.

Skills

Typescript

React

NextJS

NodeJS

Job description

11x is seeking a product-minded fullstack engineer in San Francisco to build core experiences powering our AI agents. You will span the stack, from user-facing features to orchestration and deployment systems, partnering with Product, Design, and AI/Engineering.

This is an in-person role based in our San Francisco office, with collaboration five days a week. You’ll design and ship fullstack systems, explore agent orchestration and prompting strategies, and help improve UX for non-technical users