Ready to shape exceptional customer experiences? Join our Integral Loyalty development team at MediaMarktSaturn and help build the technology that connects millions of customers to our brand. You'll be at the heart of creating and enhancing loyalty services that directly impact customer experiences across all our touchpoints across Europe. Working with cutting‑edge technologies like Kotlin, Google Cloud Platform, and modern DevOps practices, you'll deliver seamless, scalable solutions that strengthen customer relationships and drive business growth. If you're excited about working in a collaborative, remote‑friendly environment where your technical expertise makes a real difference, we'd love to hear from you! 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 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 3+ years of professional experience as a backend software developer in the JVM ecosystem, ideally Kotlin ~ General understanding of containerization and orchestration technologies such as Docker and Kubernetes, preferably with hands‑on experience ~ Experience with Infrastructure as Code (IaC), particularly Terraform is a plus ~ Familiarity with GitOps practices and experience using GitHub Actions for CI/CD is a plus ~ Experience in working with cloud services, preferably with GCP: BigQuery, GKE and PubSub is a plus ~ Strong problem‑solving skills and the ability to work collaboratively in a remote team environment ~ About Us MediaMarktSaturn is Europe’s leading consumer electronics retailer. It sees itself as a partner, daily companion and navigator for its customers in the digital world. Its over 1,000 MediaMarkt and Saturn stores are closely integrated with their online shops. MediaMarktSaturn Technology is working on making Europe’s number one consumer electronics retailer the technology leader in its sector. 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. Technology Hub located in Barcelona, is one of the service units of MediaMarktSaturn Technology to deliver adequate staffing and engineering skills for the agreed deliveries of the global deployment plan for the entire group. Ticket Restaurant, Private Health Insurance with SegurCaixa Adeslas, …) Flexible working time and possibility to combine home office / presential working. Intensive workday every Friday and during summer And the second office is located at Pier01, in Barceloneta, right in the center of Barcelona. Free coffee and free fruit once a week There is a training budget so you can continue developing the skills you need most to keep growing professionally and personally! English, Spanish, and German It's a day for you to enjoy without thinking about work Department:HQ - IT Entrylevel:Type of Employement:Full Time Persona:Job Requisition Tech Employee