Santiago - Analista De Datos

Experiencia demostrada en Power BI.

Experiencia demostrada en DAX.

Experiencia demostrada en Tableau.

Experiencia demostrada en Excel.

Experiencia demostrada en dashboard development.

Collaborated with commercial teams to translate reporting needs into Power BI dashboards, KPI definitions, and data-collection outputs aligned with business requirements.. Designed, developed, and maintained Power BI dashboards that consolidated supplier and commercial KPIs, adherence, category results, and point-of-sale execution, providing business teams with consistent performance views.. Built relational BI data models and DAX measures for KPI calculations, variance analysis, performance comparisons, and trend monitoring, strengthening reporting consistency and analytical accuracy.. Performed ETL within Power BI using Power Query to consolidate, clean, transform, validate, and standardize large Excel datasets, resolving structural and synchronization issues before reporting.. Queried and analyzed customer, product, and sales data with SQL in Google BigQuery on Google Cloud (GCP) to support reporting, commercial analysis, and data-driven decisions.. Validated customer attributes, business rules, and source-data consistency for clustering, segmentation, and downstream analysis.. Analyzed point-of-sale performance in Tableau to identify trends, regional and route-level gaps, category opportunities, and retail-execution improvements.. Improved data quality for an AI-powered commercial application by identifying SKU-recognition inconsistencies and coordinating with external vendors to strengthen product-detection reliability.. Prepared clear technical documentation, troubleshot Power BI, DAX, and SQL issues, and validated AI-assisted outputs for accuracy.

Structured and optimized workflows for 300+ legal cases, increasing the resolution rate by 10%.. Improved database and reporting processes, reducing reporting time by 25%.. Automated Excel reports for commissions and notifications, improving data accuracy by 15% and reducing manual effort.