Full Stack - Software Engineer - CatMan Apps (m/f/d) Job Details | MediaMarktSaturn Retail Group

MediaMarktSaturn Plattform Services GmbH; Barcelona; Presencial; EUR 40.000 - 60.000; Jornada completa

Descripción de la vacante

A leading consumer electronics retailer is seeking a Software Engineer to design, develop, and maintain backend services and APIs using Node.js and the NestJS framework. The ideal candidate should have experience with MongoDB, PostgreSQL, and React, along with familiarity with infrastructure as code concepts, specifically using Terraform. The role offers a dynamic working environment with benefits such as flexible hours and language classes.

Servicios

10% discount on MediaMarkt website

Flexible working time

Training budget for skill development

Language classes available

Birthday off

Formación

• 3+ years of professional experience in software development.
• Deep practical experience with NestJS framework.
• Familiarity with containerization and orchestration.
• Knowledge of BigQuery for data warehousing and analysis.
• Experience with version control systems (e.g., Git).

Responsabilidades

• Design, develop, and maintain backend services and APIs.
• Work with relational and NoSQL databases.
• Develop and maintain frontend applications with React.
• Manage infrastructure as code using Terraform.
• Deploy, monitor, and scale applications using containerization technologies.

Conocimientos

Node.js development

NestJS

MongoDB

PostgreSQL

React

Terraform

Docker

Kubernetes

Descripción del empleo

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Responsibilities

• Design, develop, and maintain backend services and APIs using Node.js and the NestJS framework.
• Work with both relational (PostgreSQL) and NoSQL (MongoDB) databases, ensuring data integrity, performance, and scalability.
• Design, develop, and maintain frontend application and components with React.
• Develop and manage infrastructure as code using Terraform to provision and maintain cloud resources in Google Cloud Platform (GCP).
• Deploy, monitor, and scale applications using containerization technologies, primarily Docker and Kubernetes.
• Utilize Google BigQuery for querying and analyzing large datasets.
• Write clear, maintainable, and well‑tested code, adhering to best practices and coding standards.
• Participate in code reviews, technical design discussions, and troubleshooting.

Your Profile

Core Technical Expertise

• 3+ years of professional experience in software development.
• Deep practical experience with the NestJS framework.
• Deep experience with GraphQL.
• Proficiency in database management and query optimization for both MongoDB and PostgreSQL.
• Solid understanding of React and its core principles (Hooks, state management).

DevOps & Cloud

• Hands‑on experience with Terraform for Infrastructure as Code (IaC).
• Familiarity with Google Cloud Platform (GCP) services (e.g. Compute Engine, Cloud Functions, Cloud SQL, etc.).
• Experience with containerization using Docker and orchestration with Kubernetes.

Data & Analytics (Desired Knowledge)

• Knowledge of BigQuery for data warehousing and analysis.
• Knowledge of Looker Studio for creating reports and dashboards.
• Knowledge of Microfrontends architecture and best practices for large, decoupled front‑end applications.

General

• Strong understanding of RESTful APIs, microservices architecture, and system design.
• Experience with version control systems (e.g. Git).
• Excellent problem‑solving, communication, and collaboration skills.

Bonus Points

• Experience with CI/CD pipelines (e.g. Cloud Build, Jenkins).
• Knowledge of modern security practices in software development and deployment.
• Experience in a fast‑paced, Agile environment.

About Us

MediaMarktSaturn Technology is working to make Europe’s number‑one consumer electronics retailer the technology leader in its industry. 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 13 countries.

Within the Global Technology division, you are part of a strong cross‑functional team of software engineers, data scientists and analytics experts to drive the development of our global product data management. With the team and in close collaboration with the business product owner, you will design and develop data and analytics solutions on our cloud‑based technology platform to support our business in product data management.

We’re looking for an Software Engineer with a passion for building robust, scalable, and high‑performing applications. The ideal candidate will have strong expertise in Node.js development, utilizing the NestJS framework, coupled with proficiency in both MongoDB and PostgreSQL databases. A solid understanding of React is also essential for collaboration on our front‑end projects. Experience with DevOps practices, specifically Terraform for infrastructure as code, and familiarity with Google Cloud Platform (GCP) services and Kubernetes, will be highly valued.

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, so you can treat yourself at a lower price whenever you want!
• On top of your compensation package, you can request Flexible Pay “MediaFlex program” (a.e. Ticket Restaurant, Private Health Insurance with DKV, …)
• Flexible working time and possibility to combine home office / presential working. Intensive workday every Friday and during summer
• The possibility to choose between 2 offices: The first one is the MediaMarkt Iberia HQ with a very attractive menu at a price. You’ll eat for less than €4! And the second office is located at Pier01, in Barceloneta, right in the center of Barcelona. Free coffee and free fruit once a week
• If you need a VISA, don’t worry, we’ll assist you with the visa process and accompany you throughout the entire process!
• There is a training budget so you can continue developing the skills you need most to keep growing professionally and personally!
• We offer language classes: English, Spanish, and German
• On your birthday, you won’t work! It’s a day for you to enjoy without thinking about work
• You’ll be working with the most cutting‑edge technological stack of the moment

Job Infos

Department: HQ - IT

Entrylevel: Professional Level

Type of Employement: Full Time

Working Hours: 40

Ready to digitalise retail? Let’s Go!

We are looking for people who are passionate about technology and are excited to create the best experience for our customers. People who want to make an impact. We are looking for people like you. Let’s Go!

Let’s Go!

Ready? We are looking forward to receiving your application!