Senior Software Engineer - Fulfillment Orchestration (Hybrid)

MediaMarktSaturn Plattform Services GmbH is seeking a backend engineer to design and evolve COS REST APIs and event-driven workflows. You will work with OpenAPI, API Gateway, Kafka, and Temporal to ensure reliable order processing across the enterprise. You will model data in MongoDB and PostgreSQL, and enable real-time synchronization to SAP and other core systems. You will operate in a cloud-native setup on GCP with Kubernetes, Terraform, and Flux, focusing on reliability, security, and J-188…