
Fullstack Software Engineer, AI Agents
11x · San Francisco, CA
About this role
The Fullstack Engineer will design, build, and iterate on fullstack systems that power AI agents from concept to deployment. The role involves researching and evaluating new approaches to agent orchestration, prompting strategies, and model alignment. You will collaborate with product, design, and engineering teams to improve UX and usability for non-technical users. The technical environment focuses on large language model applications, system design, and human-AI interaction. The position works closely with engineering leadership and AI partners to prototype and scale autonomous digital workers.
Skills & technologies
Must have
Nice to have
- Large Language Models
- Prompt Engineering
- AI Infrastructure
Read full description
We're looking for a fullstack engineer with a passion for applied research and cross-functional collaboration. In this role, you’ll work closely with engineering leadership and our AI partners to prototype, build, and scale the next generation of autonomous digital workers.
This is an immersive opportunity to deepen your expertise in large language model applications, system design, and human-AI interaction—while learning how fast-moving AI companies operate from the inside. You’ll gain hands-on exposure to the latest model capabilities, contribute to internal experimentation, and help translate cutting-edge ideas into real-world tools.
What You'll Do
- 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.
- 3+ years of experience in a product-oriented software engineering role.
- A strong foundation in Typescript, React, NextJS, and NodeJS.
- Experience working in fast-paced environments with a track record of rapid learning and iteration.
- Interest in research, technical writing, or contributing to knowledge-sharing within a team.
- Bonus: experience with large language models, prompt engineering, or AI infrastructure.
- Final offer will be based on a variety of factors, including role level, relevant experience, skills, and job-related expertise.