Senior Backend BI Engineer

About the role

As a Senior Backend BI Engineer you will join BASF Digital Hub Madrid to design, build and maintain data‑centric backend services that support sustainability initiatives. You will work closely with business stakeholders to understand data sources, lineage and quality, turning business needs into robust data models and APIs.

Key responsibilities

• Analyse and document data sources, definitions, ownership and quality.
• Translate business requirements into scalable data models and SQL queries.
• Develop and enhance backend services and integrations, primarily on Databricks.
• Define validation rules, test data flows and detect quality issues early.
• Produce clear documentation of data structures, business rules and interfaces.
• Leverage AI‑assisted tools responsibly to accelerate testing and documentation.

Required profile

• Several years of experience in data engineering, BI, analytics or backend development.
• Strong ability to grasp complex data quickly and explain it to both technical and business audiences.
• Structured approach to testing, validation, defect analysis and documentation.
• Willingness to continuously learn about software development practices.

Required skills

• Databricks platform expertise.
• Advanced SQL for data modelling and query optimisation.
• Proficiency with Git version control.
• Backend development and API design.
• Data modelling concepts.

What we offer

• Inclusive and diverse workplace with equal opportunity policies.
• Secure work environment prioritising health, safety and wellbeing.
• Opportunities to work on innovative sustainability projects.