About Mario
Spanish
Native or bilingual
English
Basic
Experience
- Right DecisionMicrosoft Fabric ConsultantDecember 2025 - Today (8 months)Madrid, SpainMicrosoft Fabric consultant in the educational sector.Design and develop ETL processes using Python, relying on Jupyter Notebooks.Data modeling and architecture oriented towards Power BI.
- EDISA,Senior BI ConsultantJanuary 2023 - Today (3 years and 7 months)Madrid, SpainI designed and executed ETL processes using Microsoft SSIS and Microsoft Fabric, performing the extraction, transformation, and loading of data from multiple heterogeneous sources, ensuring data quality and consistency. I programmed and optimized scripts in SQL, Transact-SQL, PySpark, and SparkSQL to accelerate business key indicator calculations, improving data processing efficiency. I led the design, creation, and management of data architectures, including Lakehouses, Data Warehouses, and Data Marts, in Oracle, SQL Server, and Microsoft Fabric environments. I built data models following star and snowflake architectures, improving organization and performance in business analysis systems. I developed key performance indicators (KPIs) and interactive visualizations using Power BI and DAX, driving strategic analysis and data-driven decision-making.
- DCM System,Services EngineerJanuary 2020 - January 2023 (3 years)Barranquilla, AT, ColombiaI developed and supported PL/SQL solutions in Oracle and SQL Server databases, optimizing performance and ensuring data integrity. I designed, programmed, and executed batch processes on Unix servers, automating critical workflows and improving operational efficiency. I performed data modeling and visualization using Power BI, facilitating strategic decision-making through interactive dashboards and dynamic reports. I designed and developed ETL processes using Microsoft SSIS, ensuring accurate data integration aligned with business requirements. I programmed Python scripts for data analysis, transformation, and management.
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Education
- Master in Big Data Analysis (Big Data)Universidad Europea de Madrid,Máster en análisis masivos de datos (Big Data)
- Computer EngineeringUniversidad Autónoma del Caribe,2023Ingenieria informatica