# Fullstack Software Engineer, AI Agents

**Company:** [11x](https://hotfix.jobs/companies/11x-ai)
**Location:** San Francisco, CA
**Role:** Fullstack Engineering
**Salary:** $150k – $250k/yr
**Experience:** 3+ years
**Skills:** TypeScript, React, Next.js, Node.js, LLMs, Prompt Engineering, AI Infrastructure, Fullstack Development
**Posted:** 2026-05-21

> Fullstack engineer building and scaling systems for AI agents. Works on agent orchestration, prompting, and model alignment alongside product and design teams. Requires 3+ years experience and strong TypeScript/React/Next.js/Node.js skills.

## Job Description

## 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.

## Ideal Candidates Have
- 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.

## Compensation
- Base salary range: $150,000 – $250,000 (final offer based on role level, relevant experience, skills, and job-related expertise).

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**Canonical:** https://hotfix.jobs/jobs/6c1a4eef-5d5b-4f3b-bcbb-6d5388f5eb36