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Senior Data Engineer brings deep expertise in SQL development, data modelling, and stakeholder collaboration to deliver high quality, reliable, and business critical datasets. The role centers on building and optimizing SQL driven data transformations, supporting analytical, operational, and regulatory
reporting needs. Experience in banking or financial environments is a strong advantage.
Python knowledge and BI tool experience (e.g., Tableau, Power BI) are valuable pluses that support automation, data preparation, and efficient analytics delivery.

YOUR CHALLENGE
SQL Development & Data Modelling
• Develop and optimize complex SQL transformations supporting analytics, reporting, and financial/regulatory needs
• Work with and contribute to existing enterprise data models (Data Vault, dimensional, 3NF, domain driven structures)
• Ensure SQL logic is performant,



maintainable, and aligned with modelling standards
• Implement and maintain data quality checks, validation rules, and SQL testing
• Maintain clear documentation, lineage, and metadata to support transparency and governance
• Support reduction of architectural debt and help maintain a clean, consistent data environment

Data Pipelines & Integration Engineering
• Build and maintain SQL centric ETL/ELT data pipelines
• Use Python where beneficial for automation, API integration, or workflow efficiency
• Implement ingestion patterns for batch, incremental, and near real time data flows
• Ensure monitoring, observability, and reliable operation of data workflows

Business Intelligence Enablement

Experience with Tableau or other BI tools is a strong plus, especially for:
• Structuring SQL datasets optimized for BI consumption
• Supporting data preparation, extract logic, and backend p

📌 EuroHUB Senior Data Engineer 100% (Madrid)
🏢 Julius Baer
📍 Madrid