Sara H. is a Big Data Visualization & Training specialist at Telefónica Tech, with experience in UX/UI design, data analysis using SQL, and business intelligence development across various platforms including Power BI, Cognos Analytics, and Tableau. Prior roles include Data Analyst positions at Avatel Telecom and BBVA, where Sara worked on data visualization, reporting, and KPI calculations. An internship at the Instituto Nacional de Estadística involved statistical data manipulation and report development. Earlier experience includes a role at BNP Paribas Leasing Solutions, focusing on credit operations analysis and client management. Sara holds a Bachelor’s degree in Economics from Universidad de Alcalá and is currently pursuing a Master’s degree in Design and Management of Technological Projects at Universidad Internacional de La Rioja.
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