Overview In this role you will design, build and operate backend services for a Europe-wide loyalty platform, enabling scalable, reliable customer experiences. You'll collaborate with cross-functional teams to deliver cloud-native solutions that support growth and improve loyalty interactions. You will work with cutting-edge tech and DevOps practices to ensure high availability and rapid delivery.

This is a hands-on, impact-driven position in a collaborative, remote-friendly environment with a strong focus on continuous learning and architecture decisions. Compensaciones / Incentivos 10% discount on MediaMarkt website Flexible Pay (MediaFlex program) Flexible working time with home office option Offices in Barcelona area options training budget for skill development language classes (English, Spanish, German) Responsabilidades Design, implement, maintain and operate backend services to support scalable applications for Customer & Marketing using Kotlin Build and manage scalable systems with Terraform, Kubernetes, Flux (GitOps) and Docker Develop CI/CD pipelines with GitHub Actions for efficient deployments Utilize Google Cloud products (BigQuery, GKE,



Pub/Sub) and MongoDB Atlas to optimize cloud apps Apply test frameworks like Kotest and Testcontainers to ensure high-quality code Contribute to agile processes (Scrum/Kanban) and continuously improve development practices Participate in regular on-call rotations to ensure high availability Requisitos principales 5+ years of professional software development experience Kotlin (JVM) backend development Strong server-side backend expertise Experience with event-driven architectures and GCP Pub/Sub NoSQL databases knowledge, especially MongoDB Containerization/orchestration (Docker, Kubernetes) with hands-on experience IaC experience with Terraform (a plus) Ktor as web framework (a plus) Arrow functional programming library (a plus) Kotlin coroutines familiarity (a plus) collaboration and pair programming initiative in code improvements and architecture decisions strong problem-solving and analytical thinking Kotlin (JVM) Google Cloud Platform (BigQuery, GKE, Pub/Sub) MongoDB Atlas

📌 Experienced Software Engineer (Kotlin) - Global Loyalty (m/f/d)
🏢 Mediamarktsaturn
📍 Barcelona