# Voice Agent Engineer (Full stack)

**Company:** [11x](https://hotfix.jobs/companies/11x-ai)
**Location:** San Francisco, CA
**Role:** Fullstack Engineering
**Salary:** $130k – $160k/yr
**Experience:** 3+ years
**Skills:** TypeScript, React, Next.js, Node.js, APIs, AI/ML, Conversational AI, Voice Technologies, Agent Orchestration, Prompting Strategies
**Posted:** 2025-09-05

> Builds and iterates fullstack systems powering voice AI agents for GTM, from concept to deployment. Requires 3+ years experience, CS degree, and expertise in TypeScript, React, NextJS, NodeJS, with interest in AI and voice tech.

## 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 GTM 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 CS/Engineering degree & professional experience; bonus if you’ve worked in a startup, consulting, or customer-facing technical role before
- Strong programming fundamentals in **Typescript**, **React**, **NextJS**, and **NodeJS**
- Familiarity with APIs, data flows, and debugging live systems
- Interest in AI/ML, conversational AI, or voice technologies
- Responsive and proactive in addressing customer needs with bias for action - comfortable shipping quickly and improving continuously in live deployments

**Base salary range: $130,000 – $160,000***

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**Canonical:** https://hotfix.jobs/jobs/7616b327-6472-4fa4-a6d6-fde080cb8915