Freelancer profile translated to English.
Back to original languageAbout Marcial
Senior BI consultant and analyst-programmer with extensive experience in Power BI, advanced Excel, VBA, and process automation, specializing in Business Intelligence projects in corporate environments.
For over 15 years, I have designed and implemented end-to-end BI solutions, from analyzing business needs to delivering reliable, scalable, and decision-oriented dashboards.
Additionally, I have a long track record of developing advanced solutions in Excel and VBA, including:
- Complex operational models.
- Automations.
- Data control, reporting, and validation tools.
- Critical legacy business solutions requiring maintenance, evolution, or migration to BI.
My work combines analysis, modeling, and automation to offer complete and maintainable solutions:
- Design clear, business-oriented dashboards in Power BI.
- Develop optimized data models (ETL, DAX, Power Query).
- Automate processes and workflows (Excel, VBA, Power Automate).
- Improve data quality with SQL, Snowflake, and robust structures.
- Support teams with technical assistance and practical training.
My goal is to provide clarity, operational efficiency, and reliable data so that executives and teams can make decisions quickly and confidently.
Spanish
Native or bilingual
Galician
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- Tadibox SL
On Malt
Microsoft 365 Automation ConsultantE-COMMERCEJuly 2026 - July 2026Santiago de Compostela, SpainI performed the functional and technical analysis of an automation solution based on Microsoft 365 and Power Automate used for managing Amazon orders.My work involved understanding the complete platform architecture, analyzing Power Automate flows, identifying dependencies between SharePoint, OneDrive, FTP, Shipius, and logistics providers, and documenting the solution's operation.As a result, I produced a technical analysis document with the system architecture and a maintenance guide that allows for the controlled incorporation of new providers, registration of new items, and future modifications. This work served as the basis for the next phase of the platform's evolution and improvement. - ATuAireDevelopment of an Automation Platform for Excel Calculation Models (VBA)ENERGY AND UTILITIESMarch 2026 - May 2026 (2 months)Santiago de Compostela, SpainI designed and developed a solution in Excel/VBA to automate the process of generating technical offers from a complex calculation model.The project included the design of an architecture based on a variable dictionary, input and output mapping tables, validation lists, and named ranges, allowing the decoupling of the project workbook from the calculation model and facilitating its maintenance.I also developed the automation to transfer data to the model, retrieve results, manage projects, validate entered information, and document the solution to facilitate its future use and evolution.
- MESbookDevelopment of Reports with Power BIMarch 2022 - March 2022Santiago de Compostela, EspañaPerformed ETL, modeling, and data visualization with Power BI connected to SQL Server, for four reports required by the client.
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Education
- DiplomaE.S. San Clemente1987Informática de Gestión
Certifications
- Professional Certificate – Occupational Trainer (Level 3)Xunta de Galicia – Ministry of Labor and Welfare2011