Job offer

EuroHUB Senior Data Engineer 100% (ff/m/d)

Julius Baer is seeking a Senior Data Engineer in Madrid who specializes in the development and optimization of SQL transformations, ETL pipelines, and enterprise data models. The role requires expertise in SQL and big data environments, as well as experience collaborating with finance and compliance teams in the regulated environment of wealth management.

Tasks

  • Collaborate with data analysts to identify data requirements and define the optimal data model.
  • Development and optimization of complex SQL transformations to support analytics, reporting, and financial and regulatory requirements.
  • Work on and contribute to existing enterprise data models (Data Vault, dimensional models, 3NF, data-driven structures).
  • Ensuring that the SQL logic is high-performing, maintainable, and compliant with modeling standards.
  • Implementation and maintenance of data quality checks, validation rules, and SQL tests.
  • Maintenance of clear documentation, data lineage, and metadata to support transparency and governance.
  • Support in reducing architectural debt and assistance in maintaining a clean, consistent data environment.
  • Development and maintenance of SQL-based ETL/EL data pipelines.
  • Use Python wherever it offers benefits for automation, API integration, or workflow efficiency.
  • Implementation of ingestion patterns for batch, incremental, and near-real-time data flows.
  • Ensuring monitoring, observability, and reliable operation of data workflows.
  • Structuring SQL data sets that are optimized for BI use.
  • Support with data preparation, extraction logic, and backend performance.
  • Support for dashboard and report designers in troubleshooting, prototyping, and governance.
  • Collaborate with finance, risk, compliance, and business teams to translate requirements into high-quality data solutions.
  • Work more closely with data architects to ensure compliance with modeling standards.
  • Support for troubleshooting across ingestion, modeling, and operational processes.
  • Contributions to platform development, engineering improvements, and roadmap initiatives.
  • Effective communication with both technical and business stakeholders.

Requirements

  • In-depth expertise in SQL development, data modeling, and stakeholder collaboration to deliver high-quality, reliable, and business-critical datasets.
  • Focus on building and optimizing SQL and ETL/EL data pipelines and BI-supported datasets; high-performance SQL is the primary focus, while Python is a secondary/optional skill.
  • Knowledge of languages and frameworks: SQL, Python (Jupyter/Lab), dbt, Spark SQL.
  • Knowledge of data lakes: Databricks/Azure Data (Lakehouse/Big Data).
  • Proficiency in BI and modeling tools: Tableau (or ThoughtWorks), SAP.
  • Knowledge of orchestration: Azure Data Factory/Airflow.
  • Cross-functional collaboration with finance, risk, compliance, business, and IT teams.
  • Compliance Awareness: Working in Regulated Environments.
  • Design and optimization of high-performance SQL transformations for analytics, reporting, and regulatory requirements.
  • Article on enterprise data modeling (Data Vault, dimensional models, 3NF, event-driven structures).
  • Development of ETL/EL pipelines using SQL and supporting tools to ensure reliable management and delivery.
  • Ensuring data quality through checks, tests, documentation, and lineage management.
  • Collaborate with data analysts, engineers, and BI teams to translate requirements into robust data solutions

Job details

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