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

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