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 TasksServe 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 ProfileSolid 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: schema design, indexing s

📌 Experienced Fullstack Engineer (Barcelona)
🏢 Mediamarktsaturn
📍 Barcelona