We are looking for a Full Stack Developer (React and Express) to help build and evolve an enterprise Developer Portal, designed to provide development teams with a single, scalable entry point to tools, services and engineering capabilities.
This is a full stack role focused on building an enterprise Developer Portal with Spotify Backstage. You will develop React-based experiences, Backstage plugins and backend integrations that help engineering teams discover platform services, get started quickly and use the tools they need.
A key part of the role will be automating developer onboarding and platform synchronization, including detecting changes in GitHub and automatically reflecting them within the Developer Portal.
What you'll work with
Developer Portal: Backstage
Developer Ecosystem: GitHub and engineering tooling
APIs & Integration: REST APIs, asynchronous processing and external system integrations
Automation: GitHub-driven workflows and automated platform synchronization
Cloud: AWS, including AWS Lambda
Architecture: Enterprise portal architecture,



scalability and reusable components
UX: Reusable UI components and developer-centric experiences
Ways of working: Agile (Scrum / Kanban), cross-functional and international teams
What you'll do
Design, develop and evolve React and TypeScript-based components for an enterprise Developer Portal
Build and maintain Backstage plugins to integrate internal and external engineering systems
Develop backend and integration capabilities using TypeScript, Node.js and Express
Build automation that detects changes in GitHub and automatically synchronizes relevant information with the Developer Portal
Develop REST API integrations and asynchronous data-processing workflows
Create tools that simplify the onboarding of development teams and reduce friction when adopting the platform
Collaborate with UX specialists to design intuitive and reusable developer experiences
Contribute to architectural decisions around scalability, mainta

📌 Full Stack Developer (Madrid)
🏢 Infoser Technological Solutions, Hardware, Big Data Experts
📍 Madrid