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joaopaivaa/README.md

Hi there 👋

I am João, born and raised in Brazil.

Data analyst at FIESC's Economic Observatory and data science freelancer at Whiskystats with a strong background in Electrical Engineering and Economics.

Skilled in Python, R, SQL and PySpark. Experienced in ETL pipelines, API development, big data analysis on Databricks, macroeconomic data validation, time series analysis and machine learning modeling.

Currently learning about computer vision.

As side hustle, I am currently working on:

  • Whisky recommendation system.
  • Casks valuation tool based on machine learning.
  • Bottle filling level classifier based on computer vision. You can check my portfolio projects.

How to reach me:

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  1. Maringa-Housing-Prices Maringa-Housing-Prices Public

    Dashboard created to support decision-making for real estate purchases in the city of Maringá, Brazil. The project also includes ETL pipelines built from three real estate agency websites.

    Jupyter Notebook 1

  2. Financial-Utilities-API Financial-Utilities-API Public

    Developed with FastAPI and Python. Composed of 4 post routes: inflation adjustment, currency rate conversion, amortizations calculation, simple and compound interest calculation.

    Python

  3. Whisky-Recomendation-System Whisky-Recomendation-System Public

    A recommendation system that, based on the user’s tasting profile, recommends the most similar bottle based on its tasting notes. Applied tools: Python, R and Streamlit. Applied skills: data visual…

    Jupyter Notebook

  4. Whisky-Casks-ETL Whisky-Casks-ETL Public

    ETL process developed to extract, transform and load data from whisky auction houses intended to feed my personal data analysis and machine learning projects related to whisky casks.

    HTML

  5. Cask-Worth Cask-Worth Public

    A machine learning (supervised learning) model trained on past auction data from multiple auction houses, capable of estimating the value a whisky cask.

    Jupyter Notebook