ES50 - JBSC Julius Baer Services (Spain) S.L.U.

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

Madrid, Spain (city only)

Full-time

First seen by offpeak October 22, 2026

See your drive time Apply on ES50 - JBSC Julius Baer Services (Spain) S.L.U.'s site

At Julius Baer, we celebrate and value the individual qualities you bring, enabling you to be impactful, to be entrepreneurial, to be empowered, and to create value beyond wealth. Let’s shape the future of wealth management together.

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 performance
Assisting dashboard/report designers with troubleshooting, prototyping, and governance

Cross Functional Collaboration

Partner with finance, risk, compliance, and business teams to translate requirements into high quality data solutions
Work closely with data architects to ensure alignment with modelling standards
Support troubleshooting across ingestion, modelling, and operational processes
Contribute to platform evolution, engineering improvements, and roadmap initiatives
Communicate effectively with both technical and business stakeholders

Data Platform & Operational Excellence

Collaborate with platform and infrastructure teams to operate SQL workloads reliably in production
Apply engineering best practices: version control, documentation, testing, code quality

YOUR PROFILE

Expert level SQL (complex queries, tuning, optimization)
Experience working with and extending established data models (Data Vault, dimensional, SCD, 3NF)
Strong experience developing scalable SQL driven transformations
Python is a strong plus for automation, API integrations, and workflow enhancement
Experience with Tableau, Power BI, or other BI tools is a strong plus
Experience working in banking, financial services, or regulated environments is a strong advantage
Commitment to building reliable, maintainable, and well tested data solutions
Strong focus on quality, monitoring, reliability, and automation
Ownership mentality across the data lifecycle
Ability to refine requirements and collaborate with technical and business teams
Creative, proactive, and improvement oriented approach
Strong communication and stakeholder engagement abilities
Analytical, detail oriented, and proactive problem solver
Comfortable in agile, iterative delivery environments
Bachelor’s or Master’s degree in a relevant field
5+ years in data engineering or SQL heavy backend roles
Proven experience working with structured enterprise data models
Experience in finance or banking is a strong advantage
English: fluent (written and spoken)

Nice to have:

Experience with Temenos T24/Transact, Temenos Triple'A, or similar core banking platforms

We are looking forward to receiving your full job application through our online application tool. Further interesting job opportunities can be found on our Career site.

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