Senior Software Engineer, Fulfillment Orchestration

MediaMarktSaturn Plattform Services GmbH is seeking a senior backend engineer to design and evolve COS REST APIs and event-driven workflows that connect OMS with SAP Retail, Checkout, and invoicing systems. You will work on GCP/Kubernetes with Flux and implement secure, high-throughput order processing. You will collaborate across teams to ensure data quality, GDPR compliance, and reliability while optimizing performance and SLAs in a global tech environment in Barcelona. J-18808-Ljbffr