Mariano Ferrer

Excel VBA Developer | Business Process Automation | Data Analysis

I build Excel-based systems that automate business processes, financial analysis and reporting workflows using VBA, Power Query and data-driven dashboards.

Financial Data Dashboard

Interactive financial dashboard built with Excel VBA and Power Query that automates financial analysis, visualizes revenue trends and allows users to explore company performance through dynamic charts and metrics.

Invoice Automation System

Excel VBA invoicing system that retrieves customer and product data, automatically generates invoices, stores transaction records, prints invoices, exports them to PDF and sends them via email using VBA automation.

Coffee Shop POS System

Point of Sale system built with Excel VBA that allows baristas to register orders, calculate totals and manage daily sales in a simple user interface