About David
Spanish
Native or bilingual
Experience
- Costa de huelvaProduction Manager & Process OptimizationRAW MATERIALS INDUSTRYJanuary 2020 - Today (6 years and 7 months)Huelva, SpainI help companies transform messy data into decision-making tools using Excel, Power BI, Python, and SQL.My approach combines technical capability with practical operational vision, thanks to my previous experience in process and team management as a Production Manager. This allows me to understand not only the data, but the business need behind it.What can I bring to your project?Automation: Development of Python scripts to eliminate repetitive manual tasks.Visualization: Creation of clear and interactive control panels in Power BI.Data Management: Cleaning, structuring, and querying databases using SQL and Power Query.Advanced Excel: Solving complex problems, formulas, and organizing information.I am a disciplined person, accustomed to working towards objectives and with strict delivery deadlines.
- FREELANDFreelance / Personal ProjectsRETAIL (LARGE RETAILERS)January 2025 - Today (1 year and 7 months)Huelva, SpainDevelopment of personal projects for automation and information analysis.Creation of a Python script for extracting data from PDF files and converting it into structured tables.Design of a SQL data model for relational database management.Implementation of personal financial control dashboards in Excel.
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Education
- Compulsory secondary educationIES Diego Rodríguez estrada2002Educación obligatoria
- Master in Data Analytics and Business IntelligencePower education2026Especialización avanzada en el ciclo completo del dato: desde la extracción y limpieza con SQL y Python, hasta la creación de modelos de datos y visualización interactiva en Power BI. La formación incluye el desarrollo de proyectos prácticos orientados a negocio, como la automatización de reportes mediante scripts de Python (conversión de PDF a tablas estructuradas) y la creación de Dashboards para la toma de decisiones estratégicas en entornos corporativos