Experienced Data Engineer - Retail Media (m/f/d)

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!

Your Tasks

Attract Analytics Team builds the data foundations, analytics capabilities, and advanced data products that enable effective Performance Marketing, Revenue Management, and product decision-making.

The team combines data engineering, analytics, and domain expertise to turn internal and external data into reliable, scalable, and actionable solutions.

In addition to delivering data products, the team acts as a strategic analytics partner to technology and business teams, supporting new measurement approaches, first-party data initiatives, and data-driven innovation.

Your tasks

API Integration & Data Ingestion: Proven ability to design and operate ingestion pipelines against third-party marketing and advertising APIs (e.g. Google Ads, DV360, CM360, Meta, Amazon Ads, Criteo, The Trade Desk, GA4). Comfortable with REST as well as asynchronous report-job patterns, GraphQL, bulk/file-based exports (SFTP, GCS/S3), and native transfer services.

Data Quality & Harmonization: Experience normalizing metrics across platforms with differing attribution windows, currencies, time zones, and taxonomies; building reconciliation checks against platform-reported figures; and handling schema drift, late-arriving data, and retroactive restatements

Analytics & Reporting: Solid data analysis capabilities complemented by the ability to build and deliver insightful dashboards and reports

Transformation & Orchestration: Practical experience with SQL-based workflow orchestration and transformation tools like Dataform or dbt

Infrastructure as Code (IaC): Hands-on expertise provisioning and managing infrastructure using Terraform

CI/CD & Version Control: Demonstrated experience configuring and maintaining continuous integration and deployment pipelines, preferably utilizing GitHub Actions

Cloud & DevOps: Cloud engineering and DevOps capabilities (with a strong preference for Google Cloud) with special focus on monitoring and alerting

Real-Time & Streaming: Initial exposure to real-time data pipeline frameworks (such as Apache Beam or Dataflow) and messaging brokers (such as Pub/Sub or Kafka)

Privacy & Compliance: Awareness of GDPR/TCF requirements in a marketing data context — consent signals, hashed identifiers, PII minimization, and retention policies

Your Profile

Experience: 3+ years of professional experience in Data Engineering, ideally with exposure to adtech, martech, or e-commerce/retail media data

Database & Warehousing: Strong SQL skills alongside hands-on experience with modern Data Warehouse solutions such as GCP BigQuery or AWS Redshift, including partitioning, clustering, and cost-efficient design for high-volume campaign and event data

Programming: Proven software development experience using Python—including common libraries like Pandas, Flask, and FastAPI—with Java considered a strong plus

Soft Skills: Strong self-enablement and independent project management capabilities paired with effective stakeholder communication skills across marketing, analytics, and engineering audiences

What's in it for you?

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 SegurCaixa Adeslas, …)

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.

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

Training plan

Flexible working schedule, home office policy

Gym

Product discounts

Wellness and healty plans

Media Flex, flexible retribution

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.

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. Within the team and in close collaboration with the business product owner, you will design and develop data and analytics solutions to enable the analysis of product data.

(*) 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.