Senior Full-Stack Developer — AI‑Driven SaaS (React/Node/TS)
Summary
Build and refine a serverless, enterprise-grade SaaS platform using React, Node.js, and TypeScript, while shaping architecture and mentoring junior developers.
Joppy is seeking Senior Full-Stack Developers to join a hybrid Madrid team. You will design, build, and refine a serverless, enterprise-grade platform for international clients, using Node.js/TypeScript on the backend and React.js on the frontend.
You’ll work in small, agile squads and contribute to architecture decisions while mentoring juniors. Requirements include 4+ years in full-stack development, startup/SAAS experience, and strong English communication.