We are looking for a Frontend / Platform Engineer 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 not a traditional frontend role. You will work at the intersection of Frontend Engineering, Developer Experience and Platform Engineering, building React-based experiences, Backstage plugins and integrations that make it easier for engineering teams to discover, onboard and interact with platform services. 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 youll work with * Frontend: React, TypeScript, JavaScript * Backend / Integration: Node.js, Express * 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 * Runtime & Containers: Kubernetes * 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 youll 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 pl

📌 Frontend / Platform Engineer – React and TypeScript (Comunidad de Madrid)
🏢 Infoser New Technologies
📍 Comunidad de Madrid