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JoaoFelicissimo03/README.md

Hello, I'm João Felicíssimo! 👋

Data Analyst | Business Intelligence Analyst

Transforming raw data into actionable business insights through analytical rigor, robust data modeling, and interactive storytelling.

LinkedIn Email Portfolio


🎯 Professional Profile

I am a Data Analyst and Business Intelligence Analyst dedicated to bridging the gap between complex data and strategic decision-making. Through structured certifications and hands-on project development, I have built a solid foundation in data modeling, dashboard development, and statistical analysis. I thrive on translating business requirements into clear, interactive visual solutions that drive efficiency and growth.


🛠️ Technical Stack & Tools

Programming & Databases

Data extraction, manipulation, advanced querying (Recursive CTEs, Window Functions)

Python Pandas PostgreSQL MySQL

Analytics & Business Intelligence

Data visualization, ETL pipelines, DAX modeling, and reporting

Power Bi Excel Jupyter VS Code

Geographic Information Systems (GIS)

Spatial data analysis and mapping (Folium, QGIS)

QGIS ArcGIS


🚀 Featured Projects

Business Intelligence Dashboard & Key Performance Indicators (KPIs)

Developed an end-to-end BI solution tailored for corporate decision-makers, focusing on high-level KPI tracking, financial health, and operational metrics.

  • Key Deliverables: Dynamic operational dashboards, robust star-schema data modeling, and advanced DAX measures for time-intelligence reporting.
  • Tech Stack: Power BI DAX

Executive BI Cockpit for Supply Chain Operations Management

Built a complete end-to-end BI solution simulating a daily executive cockpit for a logistics company, with drill-down capabilities.

  • Key Deliverables: Star Schema in PostgreSQL, Python ETL pipeline loading 180K+ records, and DAX measures using TREATAS() for cross-filtering fact tables.
  • Tech Stack: PostgreSQL Python Power BI

Commercial Analytics, Advanced Reporting & Business Analysis

Built a comprehensive sales and inventory analysis toolkit for a mock beverage enterprise to clean legacy data and reveal growth opportunities.

  • Key Deliverables: Interactive executive summary dashboards utilizing pivot tables, dynamic arrays, advanced formulas, and automated data-cleaning pipelines.
  • Tech Stack: Excel Power Query

🎖️ Certifications

IBM Data Analyst Data Analyst Associate Google Business Intelligence Microsoft Power BI AI Professional
IBM Data Analyst Data Analyst
Associate
Google
Business Intelligence
Microsoft
Power BI
AI Professional

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  1. TerraBiotic_PowerBI_Project TerraBiotic_PowerBI_Project Public

    Power BI performance dashboard for a fictional plant distribution company. Features dynamic switch measures (Sales, Gross Profit, Quantity), YTD vs PYTD time intelligence, and account profitability…

  2. Oak-Brew-Excel-Project Oak-Brew-Excel-Project Public

    Interactive Excel sales dashboard for a coffee shop - data cleaning, XLOOKUP, INDEX MATCH, pivot tables & slicers.