Frontend Platform Engineer - React & TypeScript

Infoser New Technologies in Madrid is seeking a Frontend / Platform Engineer to shape an enterprise Developer Portal, merging frontend, platform engineering and developer experience. You will build React-based components, Backstage plugins and integrations, automate onboarding, reflect GitHub changes, and collaborate with cross-functional, international teams. The role includes Node.js/Express backend work, AWS Lambda and Kubernetes deployments, and close interaction with UX to deliver reusable