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.
GitHub and engineering tooling
Automation: GitHub-driven workflows and automated platform synchronization
Cloud: AWS, including AWS Lambda
UX: Reusable UI components and developer-centric experiences
Agile (Scrum / Kanban), cross-functional and international teams
Design, develop and evolve React and TypeScript-based components for an enterprise Developer Portal




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
Collaborate with UX specialists to design intuitive and reusable developer experiences
Integrate cloud-native services running on AWS and Kubernetes
Participate actively in technical discussions, code reviews and Agile ceremonies
Solid professional experience developing applications with React
Experience with Node.js / Express
Experience with asynchronous data processing and system integrations
Good understanding of UI/UX principles and reusable component design
Experience working with GitHub and modern software development workflows
Experience working in complex enterprise IT environments
Experience working with Agile

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