
Antonio
I will build Power BI and Tableau dashboards for your business
Habilidades

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Porfolio
Experiencia laboral
Data Analyst & AI Engineer
Freelance Web Designer • Freelance
Jul 2025 - Present • 1 yr 3 mos
Engineered interactive web-based BI dashboards and analytical sites from scratch, implementing data cleaning (Data Cleansing) and structure design.Developed automated MS Office (VBA/Macros) scripts to streamline data aggregation, saving clients hours of manual work.Designed and deployed AI-powered chatbots integrated with LLM APIs for automated customer support and lead generation.Set up web analytics, conversion tracking, and data pipelines using Google Analytics 4 and Google Tag Manager.Generated high-converting marketing content, automated B2B/B2C articles, and engaging faceless video ads using AI tools (ChatGPT, Claude, Runway).
Data Analytics
Academicae • Tiempo parcial
Nov 2025 - Jun 2026 • 7 mos
- Analyzed the e-commerce project’s customer base (over 100,000 records), segmented users by behavior using SQL, and identified two key segments that accounted for 60% of revenue; - Analyzed customer activity and transaction behavior; calculated ARPU, revenue, average order value, number of orders, and trends in metrics over time; - Developed SQL queries using JOIN, GROUP BY, HAVING, aggregate functions, and nested subqueries to generate analytical data sets; - Built interactive dashboards in Power BI and Tableau (KPIs, metric trends, segmentation) that enabled real-time tracking of metrics; - Applied the fundamentals of product analytics: funnels, cohort analysis, retention, LTV, and A/B testing.