Dahyana Barrionuevo

Developed SQL queries in Teradata and Hive to extract, cross-reference, and validate information from multiple sources. Designed and maintained commercial and operational dashboards in MicroStrategy, analyzing digital funnels, customer retention, churn, and service channel results.

Developed and maintained dashboards and indicators in Power BI and Tableau. Performed data quality validations and controls to detect errors in reports, and documented requirements using SQL for extraction, transformation, and report automation.

Prepared and monitored management and business result indicators. Analyzed budget deviations and prepared information for management, developing dashboards in Power BI and tracking improvement opportunities.

Managed purchases and negotiated with suppliers, coordinating deliveries. Tracked payments, inventories, and costs for purchase planning.

Completed the Certified Tech Developer program at Digital House from 2021 to 2022.

Earned a degree in Comercialización from Universidad Siglo 21 from 2014 to 2016.

Studied Administración de Empresas at IES Siglo 21 from 2007 to 2011.