Remote-First AI Native Full-Stack Engineer

Leadtech Group; Barcelona; Presencial; EUR 60.000 - 90.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Flexible remote work

Barcelona office option

Private health insurance

Annual training budget

Birthday off

Summer schedule in July/August

Descripción de la vacante

Leadtech Group is seeking a talented Full-Stack Developer to help build and scale AI-driven platforms. You will work across our technology stack to deliver seamless user experiences, joining projects with a shipping-fast approach and modern tools.

The role involves developing frontend and backend features, integrating external services, and collaborating with AI product managers to translate complex requirements into robust solutions. Flexible remote work with Barcelona office option.

Formación

• Proactive developer passionate about building modern, data-driven applications.
• Experience integrating 3rd party SDKs and APIs.
• Strong TypeScript skills for frontend and backend development.
• Experience with PostgreSQL and ORMs or query builders.

Responsabilidades

• Build and scale platforms across the AI tech stack to deliver powerful user experiences.
• Develop frontend (React) and backend (Node.js/NextJS/Express) features.
• Design and maintain RESTful APIs and data processing workflows.
• Collaborate with AI product managers and AI specialists to translate requirements into robust features.

Conocimientos

JavaScript/TypeScript

REST APIs

NextJS/Express

React frontend

Node.js backend

AI agents

PostgreSQL

BigQuery

LangGraph/LangChain/LangFuse

GCP

Herramientas

Claude SDK

Vite

UI component libraries

Descripción del empleo

Leadtech Group is seeking a talented Full-Stack Developer to help build and scale AI-driven platforms. You will work across our technology stack to deliver seamless user experiences, joining projects with a shipping-fast approach and modern tools.

The role involves developing frontend and backend features, integrating external services, and collaborating with AI product managers to translate complex requirements into robust solutions. Flexible remote work with Barcelona office option.