Experienced Data Engineer - Retail Media (m/f/d)
MediaMarktSaturn Retail Group30 days ago
Barcelona, SpainMid Level
Responsibilities
- Design and operate ingestion pipelines for third-party marketing and advertising APIs and bulk or file-based exports.
- Normalize and harmonize metrics across platforms while handling attribution windows, currencies, time zones, taxonomies, schema drift, late-arriving data, and retroactive restatements.
- Build reconciliation checks against platform-reported figures and maintain reliable, scalable data foundations.
- Develop analytics dashboards, reports, and data products for marketing, revenue management, and product decision-making.
- Implement SQL-based workflow orchestration and transformations using Dataform or dbt.
- Provision and manage cloud infrastructure with Terraform.
- Configure and maintain CI/CD pipelines and version-control workflows.
- Support cloud monitoring, alerting, real-time data pipelines, and messaging integrations.
- Apply privacy and compliance practices involving consent signals, hashed identifiers, PII minimization, and retention policies.
- Collaborate independently with marketing, analytics, engineering, technology, and business stakeholders.
Requirements
- At least 3 years of professional experience in Data Engineering.
- Experience with adtech, martech, e-commerce, or retail media data is preferred.
- Strong SQL skills and hands-on experience with modern data warehouses such as GCP BigQuery or AWS Redshift, including partitioning, clustering, and cost-efficient high-volume data design.
- Professional software development experience with Python; experience with Pandas, Flask, and FastAPI is relevant.
- Java experience is a strong plus.
- Experience with Dataform or dbt, Terraform, and CI/CD pipelines is required or strongly expected.
- Experience with GitHub Actions is preferred.
- Cloud engineering and DevOps experience, preferably with Google Cloud, including monitoring and alerting.
- Initial exposure to Apache Beam or Dataflow and messaging brokers such as Pub/Sub or Kafka.
- Awareness of GDPR/TCF requirements in marketing data contexts.
- Strong independent project management, self-enablement, and stakeholder communication skills.
Benefits
- 10% discount on the MediaMarkt website.
- Flexible Pay through the MediaFlex program, including options such as Ticket Restaurant and private health insurance with SegurCaixa Adeslas.
- Flexible working hours with a combination of home office and in-person work.
- Intensive workday every Friday and during summer.
- Choice of two Barcelona-area offices, including the MediaMarkt Iberia headquarters and Pier01 in Barceloneta.
- Subsidized office meals at the MediaMarkt Iberia headquarters, priced below €4.
- Training budget for professional and personal development.
- Language classes in English, Spanish, and German.
- Paid day off on the employee’s birthday.
- Full-time employment with 40 working hours per week in Barcelona, El Prat de Llobregat.
Tech Stack
Amazon RedshiftApache BeamApache KafkadbtFastAPIFlaskGitHub ActionsGoogle CloudGraphQLJavaPandasPythonSQLTerraform
Categories
Data Engineering
About MediaMarktSaturn Retail Group
MediaMarktSaturn Retail Group is a European consumer-electronics retailer operating the MediaMarkt, Saturn and MediaWorld brands across around 1,000 stores in 11 countries plus online shops. It sells phones, computers, appliances and entertainment products to consumers, alongside related services such as delivery, setup and repairs. Headquartered in Ingolstadt, Germany, the company is owned by CECONOMY AG and also markets own brands including PEAQ, KOENIC, ISY and ok.