Experienced Software Engineer (Kotlin) - Global Loyalty (m/f/d)

MediaMarkt España; Barcelona; Híbrido; EUR 45.000 - 70.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

10% discount on MediaMarkt website

Flexible Pay program

Flexible working hours

Training budget

Language classes available

Free coffee and fruit

Descripción de la vacante

A leading consumer electronics retailer in Barcelona is seeking an experienced software developer to design and maintain backend services using Kotlin. The role requires at least 5 years of experience in server-side development, familiarity with Google Cloud, Docker, and Kubernetes, and a passion for agile methodologies. The position offers flexible working conditions, training budgets, and benefits including discounts on the company's products.

Formación

• 5+ years of professional experience as a software developer.
• Experience with Kotlin (JVM) for backend development.
• Extensive knowledge in server-side backend development.
• Solid knowledge of NoSQL databases, particularly MongoDB.
• General understanding of containerization and orchestration technologies, preferably Docker and Kubernetes.

Responsabilidades

• Design, implement, and maintain backend services for applications.
• Utilize infrastructure tools like Terraform, Kubernetes, and Docker.
• Develop CI/CD pipelines using GitHub Actions.
• Work with Google Cloud products to enhance cloud-based applications.
• Employ test frameworks to ensure high-quality code.

Conocimientos

Kotlin (JVM)

Event-driven architecture

NoSQL databases, particularly MongoDB

Docker

Kubernetes

Infrastructure as Code (IaC) using Terraform

Agile methodologies

Herramientas

Google Cloud

CI/CD with GitHub Actions

Test frameworks like Kotest

Descripción del empleo

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 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 has a total headcount of more than 60,000.

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.

*(*) Diversity and equal opportunities are important to us. Research shows that women and people from underrepresented groups are less likely to apply if they don’t meet all the criteria. If you are interested in this position but your experience doesn’t align perfectly with every requirement, we still encourage you to apply.

Additional Benefits

• Young environment, where not everything is written in stone, and where you are expected to contribute and co‑create the culture of the Tech Hub and international collaboration model.
• You’ll have a 10% discount on the entire MediaMarkt website.
• On top of your compensation package, you can request Flexible Pay “MediaFlex program” (e.g., 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.
• Choose between two offices: MediaMarkt Iberia HQ with an attractive menu (less than €4) or Pier01 in Barceloneta, city centre. Free coffee and free fruit once a week.
• Training budget to develop the skills you need most.
• Language classes: English, Spanish, and German.
• On your birthday, you won’t work.
• You will be working with the most cutting‑edge technological stack of the moment.

Job Infos

Location: Barcelona, El Prat De Llobregat

Media Markt Saturn Th Services Barcelona

Department: HQ - IT

Entry level: Professional Level

Type of Employment: Full Time

Working Hours: 40

Persona: Job Requisition Tech Employee

Recruiter: Angela Paredes