AI-Powered Fullstack Engineer (React/Node) – Freelance Madrid

Collective Work; Madrid; Presencial; EUR 65.000 - 111.000; A tiempo parcial

Descripción de la vacante

Collective.work in Madrid is seeking a freelance software engineer to build features on the React frontend and Node.js backend, integrate AI APIs, and connect ATS tools. You will collaborate with product and engineering teams to deliver scalable, reliable code from concept to production.

This onsite role in Madrid offers flexible start dates and contract terms, with day-rate-based compensation and freelance/contract conditions.

Formación

• Freelance/contract software engineer with strong frontend and backend skills.
• Experience delivering features across React frontend and Node.js backend.
• Ability to integrate AI APIs and ATS platforms.

Responsabilidades

• Build and ship product features across the React frontend and Node.js backend.
• Develop scalable APIs, backend services, and integrations with third-party tools, including ATS platforms.
• Integrate AI-powered capabilities into intuitive, high-performance user experiences.
• Improve application performance, reliability, and code quality.
• Collaborate closely with product and engineering teams to deliver features from conception to production.

Herramientas

React

Node.js

JavaScript/TypeScript

AI APIs

ATS integrations

Descripción del empleo

Collective.work in Madrid is seeking a freelance software engineer to build features on the React frontend and Node.js backend, integrate AI APIs, and connect ATS tools. You will collaborate with product and engineering teams to deliver scalable, reliable code from concept to production.

This onsite role in Madrid offers flexible start dates and contract terms, with day-rate-based compensation and freelance/contract conditions.