Experienced Software Engineer Customer Order Services (mfd)

Your Tasks

• Design implementation and continuous evolution of COS REST APIs and event schemas (OpenAPI Kong) enabling contract-first integrations and decoupling of consumers from OMS platforms
• Development and orchestration of event-driven order workflows using Kafka/Kafka Streams and Temporal (basket-to-order payment/checkout digital activation fulfillment/TMS) with a focus on reliability idempotency and auditability
• Build-up maintenance and optimization of data persistence and propagation including order data modeling in MongoDB and PostgreSQL real-time synchronization with corporate systems and support for analytics through Pub/Sub integration with BigQuery ensuring high data quality and PII protection
• Operation and continuous improvement of the platform on GCP/Kubernetes using GitOps (Flux) including production monitoring and troubleshooting performance and scalability optimization incident management and enhancement of SLAs security and platform resilience

Your Profile

• Strong experience building event-driven distributed systems
• Proficiency in Kotlin on the JVM; solid Java skills; familiarity with Python or TypeScript is a plus
• Proven track record designing contract-first RESTful APIs with OpenAPI including versioning error models and API gateway policies (e.g. Kong/Apigee)
• Practical experience with relational and noSQL DBs (like MongoDB and PostgreSQL) schema design transactions performance tuning in high-throughput environments
• Cloud-native operations on GCP with Kubernetes and Terraform; GitOps (Flux) CI/CD observability (logging metrics tracing) and production troubleshooting
• Integration expertise using synchronous and asynchronous patterns (Kafka Google Pub/Sub etc.) across enterprise systems
• Strong focus on reliability security and compliance for customer order data (SLAs auditability PII/GDPR) with clear communication and cross-functional collaboration skills

About Us

MediaMarktSaturn Technology is working to make Europes number-one consumer electronics retailer the technology leader in its industry. To this end several hundred developers UX designers and system architects using state-of-the-art technology work hand in hand with business owners in agile teams to develop customer-focused technology solutions for more than 6 million customers every day in 11 countries.

Customer Order Services (COS) is the strategic backbone for customer order data and processing at MediaMarktSaturn. It consolidates order information standardizes access through a common API model and orchestrates fine-grained workflows that power the end-to-end online order journey. Positioned as the main communication layer next to the Enterprise Service Bus COS connects the Order Management Systems (OMS) with major corporate applications such as SAP Retail Checkout Payment systems Invoicing applications and Pick-and-Pack solutions ensuring consistent real-time order processing across the enterprise.

Our best solutions arise when diverse perspectives come together. Diversity is key to achieving our vision of becoming the Experience Champion in Consumer Electronics. We value diversity promote equal opportunities and foster inclusion join our team!

Additional Benefits

Job Infos

Location:Ingolstadt

MediaMarktSaturn Technology

Department:HQ - IT

Entrylevel:Professional Level

Type of Employement:Full Time

Working Hours:375

Persona:Job Requisition Tech Employee

Recruiter:Laura Schröder

Recruiter:Laura Schröder