Full Stack Software Engineer - Node.js, AI

We are looking for a Full Stack Software Engineer to drive the technical evolution of a strategic developer-experience tool designed to elevate design quality across enterprise products. In this role, you will work across the entire stack, bridging user-friendly frontend experiences with cutting-edge AI enablement. You will lead the development of a Model Context Protocol (MCP) server, designed to host, version, and expose codified UX design standards.

This architecture enables AI coding agents and IDE environments to actively consume rule sets. Please note, the position requires hybrid (3 days office) work in Krakow, Wroclaw or Gdansk

Architect & Build MCP Servers: Drive the design, development, and implementation of a Model Context Protocol (MCP) server, allowing AI coding assistants and automation workflows to seamlessly query and enforce UX rulesets Fullstack Development: Maintain and extend the UX Scanner end-to-end — improving the React.js frontend visual reporting interface while scaling the underlying Node.js backend logic and microservices Codify UX Standards: Analyze human-readable UX product guidelines (typography, colors, shell structures, action placements) and translate them into robust, machine-readable JSON/YAML rules Host & Secure Cloud Deployments: Manage and deploy APIs, rulesets, and fullstack services securely on cloud platforms, ensuring stable version control and scalable access CI/CD & DevTools Integration: Work on developer-focused CL