Your TasksWe're looking for an experienced Fullstack Engineer to join our Platform team; a small, high-impact team that boosts the effectiveness of three teams building our store experiences. You'll be embedded in the centre of how we build and run software: owning shared infrastructure, shaping our backend orchestration service, and helping different teams move faster without sacrificing quality or reliability.Your Tasks- Serve as a platform proxy for product teams: understanding their needs, unblocking them on shared concerns, and coordinating cross-team technical decisions.- Contribute to our backend orchestration service used across all products: reviewing contributions, improving its design, and ensuring it remains reliable and well-documented as usage scales.- Build and maintain shared projects such as the back office, taking ownership of both frontend and backend layers.- Manage and improve our cloud infrastructure on GCP: provisioning, configuring, and maintaining environments used across product teams.- Improve and extend our CI/CD pipelines (GitHub Actions), ensuring fast,



stable, and repeatable delivery across all teams.- Strengthen our observability: setting up and refining monitoring, alerting, and dashboards with Grafana to give teams clear visibility into production health.- Write clean, well-tested code and contribute to a culture where quality and reliability are default.- Support and mentor engineers across product teams, sharing knowledge on platform practices, infrastructure, and architectural patterns.Your Profile- Solid fullstack experience with TypeScript and Node.Js. You've shipped and maintained production services and are comfortable owning them end-to-end.- Frontend capability in React. You can build and maintain interfaces without needing a dedicated frontend team to carry you. ReactNative experience is a plus.- Strong grasp of GraphQL for API design and data querying; experience with Apollo is a plus.- Hands-on experience with MongoDB: s

📌 Experienced Fullstack Engineer (Barcelona)
🏢 Mediamarktsaturn Plattform Services
📍 Barcelona