OverviewIn this role you design and evolve COS REST APIs and event schemas to enable seamless, contract-first integrations. You orchestrate robust, event-driven order workflows and ensure reliable, auditable processing across enterprise systems. You model and propagate order data with strong data quality and privacy safeguards, enabling real-time synchronization and analytics. You operate a cloud-native platform on GCP/Kubernetes with Git Ops, continuously improving performance, security, and SLAs. You will work closely with cross-functional teams to turn complex order data into scalable, value-driving solutions.Compensaciones / Beneficios10% discount on Media Markt siteFlexible Pay (Media Flex program)Versátil working hours and home office optionsTraining budget for skill developmentLanguage classes (English, Spanish, German)Birthday off ResponsabilidadesDesign, implement, and evolve COS REST APIs and event schemas (Open API, API Gateway) for contract-first integrationsDevelop and orchestrate event-driven order workflows using Kafka/Kafka Streams and TemporalModel order data (Protobuf) and manage persistence across Mongo DB and Postgre SQL;





support real-time syncing to corporate systemsEnable analytics via Pub/Sub to Big Query with data quality and PII safeguardsOperate the platform on GCP/Kubernetes with Git Ops (Flux);

monitor, troubleshoot, and optimize performance and SLAsEnsure reliability, security, and auditability of customer order data;

drive incident management and cross-functional collaboration Requisitos principalesStrong experience building event-driven, distributed systemsProficiency in Kotlin on the JVM;

solid Java skills;Python or Type Script a plusExperience designing contract-first RESTful APIs with Open API, including versioning and API gateway policiesPractical experience with Mongo DB and Postgre SQL;

experience with schema design and high-throughput transactionsCloud-native operations on GCP;

Kubernetes and Terraform;

Git Ops (Flux); CI/CD;

observabilityIntegration expertise across synchronous and asynchronous patterns (Kafka, Google Pub/Sub)Focus on reliability, security, and GDPR/PII compliance;

strong cross-functionalcommunication clear communicationcross-functional collaborationproblem-solvingKafkaKafka StreamsTemporal

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