Senior Data Engineer (AI & Products)

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Madrid | Hybrid | Full-time | Permanent contract

At TeamSystem, we help thousands of freelancers, SMEs, and accounting firms across Spain manage their businesses efficiently through innovative technology and reliable products.

Your mission
Were looking for a Senior Data Engineer to build the data foundation that powers the next generation of AI-enabled business software. You will design, evolve, and expose product data so it can be reliably consumed by software products, AI services, and enterprise platforms, transforming existing product data models into scalable, well-governed Data Products while promoting engineering best practices, data quality, and reusable integration patterns.
This is a software engineering role focused on product data, distributed systems, and modern data platforms — not a Business Intelligence, Reporting, or Data Science position.



Your work will directly enable AI capabilities (AI agents, RAG) and have a direct impact on the reliability and scalability of the data that powers products used by thousands of users in Spain.

Technologies & environments

* Cloud & data platform: Azure; Databricks, Delta Lake, Unity Catalog, Apache Spark
* Data products & modelling: Data Products, Data Mesh, domain-driven data modelling, Schema Registry
* Integration: event-driven architectures and enterprise messaging (Hermes)
* IaC, orchestration & governance: Terraform, Dagster, Liquibase; Witboost, Profisee
* Languages: Python, SQL (over transactional enterprise applications)
* Software engineering: REST APIs, Docker, Kubernetes, Git, CI/CD

What will you do?

* Analyze existing product data models and identify opportunities for improvement.
* Design and evolve domain-oriented data models aligned with product architecture, and define and publish reusable D

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