Senior Data Engineer - SQL & Data Platform for Finance

Julius Baer; Madrid; On-site; EUR 60,000 - 90,000; Full time

Job summary

Julius Baer seeks a Senior Data Engineer in Madrid to deliver SQL-driven data transformations and robust data pipelines. You will model data, ensure quality, and collaborate with finance, risk, and business teams to enable reliable analytics and regulatory reporting.

Strong Python skills and experience with Tableau/Power BI are valuable assets in this role, with a focus on production-grade data platforms and governance.

Qualifications

• Expert level SQL with complex queries and optimization.
• Experience extending data models (Data Vault, dimensional, SCD, 3NF).
• Strong track record building scalable SQL-driven transformations.
• Python for automation, APIs, and workflow enhancement.
• Experience with Tableau, Power BI, or similar BI tools.
• Banking or financial services background is advantageous.
• Bachelor's or Master's degree in a relevant field; fluent English.

Responsibilities

• Develop and optimize complex SQL transformations supporting analytics, reporting, and regulatory needs.
• Contribute to enterprise data models (Data Vault, dimensional, 3NF, domain structures).
• Ensure performant, maintainable SQL aligned with standards and tests.
• Build and maintain SQL-centric ETL/ELT pipelines; enable automation with Python.
• Support BI readiness: data preparation and dashboard troubleshooting.
• Collaborate with finance, risk, compliance, and business teams to translate requirements into data solutions.
• Operate SQL workloads in production with reliable monitoring and governance.

Skills

SQL

Data Modelling

Python

BI Tools

ETL/ELT

Data Vault

3NF

Tableau/Power BI

Banking experience

Agile delivery

Stakeholder communication

Data quality

Automation

SCD

English fluent

Education

Bachelor's or Master's degree in a relevant field

Tools

Temenos T24/Transact

Temenos Triple'A

Job description

Julius Baer seeks a Senior Data Engineer in Madrid to deliver SQL-driven data transformations and robust data pipelines. You will model data, ensure quality, and collaborate with finance, risk, and business teams to enable reliable analytics and regulatory reporting.

Strong Python skills and experience with Tableau/Power BI are valuable assets in this role, with a focus on production-grade data platforms and governance.