# Staff Fullstack Engineer, AI Agents

**Company:** [11x](https://hotfix.jobs/companies/11x-ai)
**Location:** San Francisco, CA
**Role:** Fullstack Engineering
**Salary:** $150k – $250k/yr
**Experience:** 6+ years
**Skills:** TypeScript, React, Next.js, Node.js, Fullstack Development, LLMs, Agent Orchestration, AI Infrastructure, System Architecture, Mentorship
**Posted:** 2026-05-21

> Staff Fullstack Engineer building and scaling production AI agent systems. Leads architecture, technical decisions, and engineering standards while collaborating with product and GTM teams.

## Job Description

## Responsibilities
- Architect, build, and scale fullstack systems that support autonomous AI agents in production.
- Lead technical decision-making across projects—ensuring long-term scalability, reliability, and developer efficiency.
- Evaluate new technologies, model APIs, and prompting strategies to enhance agent performance and alignment.
- Collaborate cross-functionally with design, product, and GTM teams to define roadmaps and prioritize development.
- Drive internal engineering standards through mentorship, documentation, and code reviews.

## Requirements
- 6+ years of experience in software engineering, with demonstrated leadership on complex technical projects.
- Strong command of modern fullstack frameworks—especially Typescript, React, NextJS, and NodeJS.
- Track record of shipping scalable systems in high-growth or startup environments.
- Strategic thinker who can balance speed and quality while driving technical vision.

## Nice-to-Haves
- Experience with LLMs, agent orchestration frameworks, or AI infrastructure.

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**Canonical:** https://hotfix.jobs/jobs/69738733-c55c-4e83-bf01-dd3d1d3097e3