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

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