Senior Design Engineer

About StackOne:

StackOne is the AI Integration Gateway for SaaS products and AI Agents. Backed by GV and Workday Ventures ($24M raised), we help builders of SaaS platforms and AI Agents orchestrate hundreds of scalable, accurate, and enterprise-grade integrations. Our platform combines 25,000 pre-mapped actions on 200 connectors, an AI-powered integration development toolkit, plus security by design: a real-time architecture, managed authentication and permissions, and end-to-end observability.

Join us on our fast trajectory to build the future of agentic integrations.

Why this role exists

StackOne’s product experience is our brand. As our first dedicated UX Engineer you will be the in‑house authority on taste, polish, and performance. You will own the component library, shape our micro‑frontend architecture, and ensure that every pixel, motion, and millisecond of latency makes customers feel like they’re using the best‑engineered...