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.

Frontend: React, TypeScript, JavaScript Backend / Integration: Node.js, Express GitHub and engineering tooling Automation: GitHub-driven workflows and automated platform synchronization Cloud: AWS, including AWS Lambda Kubernetes 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 Strong hands-on experience with TypeScript and JavaScript 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 methodologies (Scrum / Kanban) Experience building GitHub integrations, webhooks or event-driven automations Experience with AWS , particularly AWS Lambda Experience deploying or operating applications on Kubernetes Experience integrating developer ecosystems such as source control, CI/CD, observability, compliance or AI tooling If you are passionate about React and TypeScript but want to go beyond traditional frontend development , building tools and platforms that improve how other engineers work, we want to hear from you. React #TypeScript #JavaScript #Backstage #NodeJS #ExpressJS #GitHub #DeveloperExperience #PlatformEngineering #DeveloperPortal #AWS #Kubernetes #RESTAPI #FrontendEngineering #Hiring #JobOpportunity

📌 Frontend Engineer (Typescript, React.js) (Madrid)
🏢 Infoser New Technologies
📍 Madrid