Experteer Overview In this role you design and evolve COS REST APIs and event schemas to enable contract-first integrations, connecting OMS with SAP and other corporate apps. You build distributed, event-driven order workflows and ensure reliable, auditable processing across the enterprise. You operate a cloud-native platform on GCP/Kubernetes, focusing on performance, security, and data quality for order data. You join a cross-functional team to shape the end-to-end order journey and drive scalable, compliant solutions.Compensaciones / Ventajas
- Design, implement and evolve COS REST APIs and event schemas (OpenAPI, API Gateway) to enable decoupled integrations
- Develop and orchestrate event-driven order workflows using Kafka/Kafka Streams and Temporal
- Model order data with Protobuf and databases (MongoDB, PostgreSQL) and support real-time synchronization to corporate systems
- Ensure data quality, PII safeguards, and auditing; facilitate analytics via Pub/Sub to BigQuery
- Operate the platform on GCP/Kubernetes with GitOps (Flux); monitor, troubleshoot, and improve SLAs, security,



and resilienceResponsabilidades
- Strong experience building event-driven, distributed systems
- Kotlin on the JVM; Java proficiency; Python or TypeScript a plus
- Designing contract-first RESTful APIs with OpenAPI and API gateway policies
- Relational and NoSQL databases (MongoDB, PostgreSQL); schema design and performance tuning
- Cloud-native operations (GCP, Kubernetes, Terraform); GitOps (Flux); CI/CD; observability
- Synchronous and asynchronous integrations (Kafka, Google Pub/Sub) across enterprise systems
- Reliability, security, and compliance for customer order data (SLA, auditability, GDPR/PII)
- Clear communication and cross-functional collaboration skillsRequisitos principales
- 10% discount on MediaMarkt website
- Flexible Pay via MediaFlex
- Flexible working hours; home office option
- Twooffice locations in Barcelona area
- Training budget for skills development
- Language classes (English, Spanish, German)

📌 Experienced Software Engineer - Fulfillment Order Management (M/F/D) (Barcelona)
🏢 Mediamarktsaturn
📍 Barcelona