Adrián Martínez Martín

Professional profile

Data professional specialized in automation, data quality and governance, with experience managing technical catalogs of more than 150,000 products/SKUs and integrating information from multiple sources. Regular hands-on work with Python, pandas and SQL for data cleaning, normalization, matching, validation, transformation and integration, together with professional Collibra experience applied to Data Governance and Metadata Management. Technical profile focused on turning manual processes and heterogeneous data into reproducible, controlled and maintainable workflows.

Professional experience

IT Operator · Data and automation

Automotive data and catalogues · Madrid

• Automation with Python and pandas of dataset import, cleaning, normalization, matching, transformation, validation, deduplication and synchronization processes.
• Development of data quality and integration controls with Python and SQL to detect duplicates, inconsistencies, incomplete records, incorrect relationships and matching issues across different data sources.
• Management and evolution of technical catalogs that grew beyond 150,000 products/SKUs for web, applications and internal systems, maintaining reference and data consistency across channels.
• Management of the technical reference lifecycle, including historical and current references, equivalences and substitutions to preserve data traceability and consistency.
• Integration and harmonization of information from multiple suppliers, normalizing structures, naming conventions and formats to relate it to a common product model.
• Development of processes to normalize pricing data from multiple suppliers and associate it with canonical products, using criteria such as cost, availability, shipping conditions and margin to support supplier selection.
• Maintenance of synchronization and control processes designed to preserve catalog consistency as data volume, source count and consuming systems grew.
• Professional use of Collibra within Data Governance processes to structure and control catalogs, attributes, references, relationships, documentation and enterprise information, together with traceability and access control over commercial and financial information.