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

MEDIA MARKT ESPAÑA; La Coruña; Híbrido; EUR 45.000 - 75.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Young environment

10% MediaMarkt discount

Flexible Pay program

Descripción de la vacante

MediaMarktSaturn Technology seeks a data engineer to design and operate ingestion pipelines for marketing data in a hybrid Barcelona hub. You will normalize metrics across platforms, build dashboards, and maintain data quality across large campaign and event datasets.

You will work with Python (Pandas, Flask, FastAPI) and SQL, leveraging GCP BigQuery or AWS Redshift, Dataflow, and Terraform. Collaboration with marketing, analytics, and engineering teams is essential.

Formación

• 3+ years of professional experience in Data Engineering, ideally with adtech, martech, or e-commerce/retail media data.
• Strong SQL skills with modern Data Warehouse solutions (GCP BigQuery or AWS Redshift), including partitioning and clustering.
• Proficiency in Python with Pandas, Flask, FastAPI; Java is a plus.
• Excellent communication skills across marketing, analytics, and engineering teams.

Responsabilidades

• API Integration & Data Ingestion for third-party marketing APIs.
• Ensure Data Quality & Harmonization across platforms.
• Develop dashboards and reports to support analytics.
• Orchestrate SQL-based workflows with tools like Dataform or dbt.
• Manage IaC with Terraform; maintain CI/CD pipelines with GitHub Actions.
• Collaborate on Cloud & DevOps with emphasis on monitoring.
• Support real-time data pipelines using Beam/Dataflow and messaging (Pub/Sub/Kafka).
• Ensure GDPR/TCF compliance in data handling and retention policies.

Conocimientos

API Integration

Data Ingestion

Data Quality & Harmonization

Analytics & Reporting

SQL

Python

Data Warehousing

GCP BigQuery

AWS Redshift

Terraform

GitHub Actions

Dataflow / Beam

Herramientas

Pandas

Flask

FastAPI

SQL tooling

Terraform

Descripción del empleo

Your Tasks

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

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, 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 budgetso you can continue developing the skills you need most to keep growing professionally and personally!
• You 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

?Location:Barcelona, El Prat De Llobregat

Media Markt Saturn Th Services Barcelona

Department:HQ - IT

Entrylevel:Professional Level

Type of Employement:Full Time

Working Hours:40

Persona:Job Requisition Tech Employee