
Business Intelligence Developer
He designs and delivers impactful analytics solutions for the e-commerce industry, building data marts, designing dashboards, and transforming data into actionable insights that empower cross-functional decision-making.
Among his key achievements, Andrés develops a robust DataMart that reduces inventory accounting closing time from five days to one, refactors discount processes in Airflow to reduce load size by 24x, and optimizes data storage, achieving significant cost savings.

Developed and documented BigQuery queries for a U.S. luxury retailer, creating partitioned tables and automated batch jobs; also built and optimized data pipelines powering a Vertex-based website, enabling secure data sharing with partner fashion brands.
Scaled a high-value behavior Power BI dashboard for a global automotive manufacturer from a single market to 26 countries by developing Databricks tables, standardizing country-specific logic across heterogeneous sources, and delivering a unified, reliable dataset for consistent reporting.
Improved data architecture and quality by redesigning the model into a Power BI-optimized star schema, leading a comprehensive data flow documentation effort (39 tables, 16 views), and implementing a Python reconciliation function that recovered 14% of misclassified or excluded records.






Engineering excellence
Andres’s overall performance in a 90-minute live technical assessment ranks in the top 15% of vetted Business Intelligence Developers at Proxify.
Issued Sep 2025 - Expires Sep 2027
Credential ID 161307223
Issued Sep 2025 - Expires Sep 2027
Credential ID 161307223

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