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 BigQuer

📌 Experienced Data Engineer (Barcelona)
🏢 MediaMarkt España
📍 Barcelona