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 you'll 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 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 adopti

📌 Frontend / Platform Engineer – React and TypeScript (Madrid)
🏢 Infoser Technological Solutions, Hardware, Big Data Experts
📍 Madrid