Fullstack AI Agents Engineer — Build Digital Workers

11x AI Inc.; San Francisco, Northern (CA, KY); Hybrid; USD 150,000 - 250,000; Full time

Job summary

11x AI Inc. is seeking a fullstack engineer who thrives on applied research and cross-functional collaboration to prototype, build, and scale autonomous digital workers.

You will deepen expertise in LLM applications, system design, and human‑AI interaction while working with leadership and AI partners. You will design and iterate on fullstack systems powering AI agents, evaluate new prompting and orchestration approaches, and collaborate with product, design, and engineering to enhance UX for

Qualifications

• 3+ years of experience in a product-oriented software engineering role.
• Strong foundation in TypeScript, React, NextJS, and NodeJS.
• Experience in fast-paced environments with rapid learning and iteration.
• Interest in research or technical writing and knowledge sharing within a team.
• 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 the evolution of internal best practices.
• Participate in peer reviews, brainstorming sessions, and technical deep dives with our global team.

Skills

Typescript

React

NextJS

NodeJS

Prompt engineering

AI infrastructure

Rapid learning

Job description

11x AI Inc. is seeking a fullstack engineer who thrives on applied research and cross-functional collaboration to prototype, build, and scale autonomous digital workers.

You will deepen expertise in LLM applications, system design, and human‑AI interaction while working with leadership and AI partners. You will design and iterate on fullstack systems powering AI agents, evaluate new prompting and orchestration approaches, and collaborate with product, design, and engineering to enhance UX for