Senior Full-Stack Engineer — Enterprise AI Agent Platform

Xpander, Inc.; San Francisco (CA); On-site; USD 180,000 - 240,000; Full time

Job summary

xpander is building the AI agent platform for on-premises and VPC deployments, with strict data boundaries and audit requirements. You’ll work across frontend and backend, shaping architecture and roadmap in a small team that ships production systems at scale.

The stack includes Python, React, TypeScript, FastAPI, PostgreSQL, MongoDB, Redis, Kubernetes, and robust security practices. You’ll collaborate with product, design, and other engineers to own features end to end, from design through

Responsibilities

• Develop and maintain the core architecture of our AI agent platform across frontend and backend.
• Design and deploy scalable APIs, microservices, and backend systems in Python (FastAPI, Flask, or Django).
• Build high-quality, responsive UIs in React and TypeScript with reusable components and accessibility in mind.
• Incorporate coding agents as a primary mode of work and establish tooling, review standards, and guardrails for quality.

Job description

xpander is building the AI agent platform for on-premises and VPC deployments, with strict data boundaries and audit requirements. You’ll work across frontend and backend, shaping architecture and roadmap in a small team that ships production systems at scale.

The stack includes Python, React, TypeScript, FastAPI, PostgreSQL, MongoDB, Redis, Kubernetes, and robust security practices. You’ll collaborate with product, design, and other engineers to own features end to end, from design through