Alberto Castro Jiménez
I help small businesses turn messy data into clear reports
New to Contra
Alberto is ready for their next project!
Power BI Revenue Dashboard — Gym Business Analytics
Built a 3-page Power BI dashboard analyzing product sales and service revenue for a gym business. Combined Power Query data transformation with DAX measures to surface key business insights: revenue concentration by service...
Automated Synthetic Dataset Generator — Python & Pandas
Developed a Python tool that generates realistic synthetic datasets in CSV and JSON format using Pandas and NumPy. Built for analytics teams and developers who need reproducible test data without exposing sensitive...
