Responsibilities

Design, implement, maintain and operate robust backend services to support scalable and reliable applications for our Customer & Marketing environment using Kotlin.

Utilize infrastructure tools such as Terraform, Kubernetes, GitOps with Flux, and Docker to build and manage scalable systems.

Develop CI/CD pipelines using GitHub Actions to ensure smooth and efficient deployment processes.

Work with Google Cloud products including BigQuery, GKE, PubSub and MongoDB Atlas to enhance and optimize cloud‑based applications.

Employ test frameworks like Kotest and libraries like Testcontainers to ensure high‑quality, reliable code.

Contribute to the continuous improvement of our development processes and code base while working with the methods of agile software development such as Scrum or Kanban.

Participate in regular on‑call duty as part of the team rotation to ensure high availability.

Profile

5+ years of professional experience as a software developer.

Experience with Kotlin (JVM) for backend development.

Extensive knowledge in server‑side backend development.





Hands‑on experience with event‑driven architecture and GCP Pub/Sub.

Solid knowledge of NoSQL databases, particularly MongoDB.

General understanding of containerization and orchestration technologies such as Docker and Kubernetes, preferably with hands‑on experience.

Experience with IaC using Terraform is a plus.

Experience with Ktor as a web‑framework is a plus.

Familiarity with Arrow as a functional programming library is a plus.

Familiarity with the concept of coroutines in Kotlin is a plus.

Working Style & Communication

You enjoy collaboration in the form of pair‑programming and code reviews.

Strong initiative in code improvements, architecture decisions and solution crafting.

Strong problem‑solving and analytical skills.

Passion for continuous learning and staying updated with the latest technologies in the field.

About Us
MediaMarktSaturn is Europe’s leading consumer e

📌 Experienced Software Engineer (Madrid)
🏢 MediaMarkt España
📍 Madrid