Experienced Data Engineer, hibrido

Experienced Data Engineer

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 Europes 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.

Google Ads, SQL, Meta, Amazon Ads, Criteo,