AI Full Stack Developer

leadtech

Full-time Informática y tecnología
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Location
barcelona, cataluña, Spain
Posted
May 30, 2026

Job Description

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...