As part of AI-LAB as a Full-Stack Developer, you will be instrumental in building and scaling our AI products. You will own features end-to-end across a modern Next.Js frontend and our NestJS backend services, delivering a seamless and powerful user experience. You'll be joining a team with a ship-fast mindset and a modern, carefully curated tech stack.
Develop and maintain features on our Next.Js (App Router) frontend using TypeScript, SWR, Tailwind, and a component-driven design system, with full internationalization (i18n) support.
Design, implement, and maintain RESTful APIs with NestJS (TypeScript) to manage authentication, data processing, billing, usage tracking, and orchestration of AI workflows.
Own backend services end-to-end: from schema design and migrations to deployment and observability, and contribute to new services as the product surface grows.
Integrate and maintain third-party SDKs and APIs that power critical product flows, including

📌 Ai Full Stack Developer (Madrid)
🏢 mau
📍 Madrid