Hi, I'm Vitor

Data Analyst, focused in Risk

High level experience in Credit Risk, Fraud Risk and Marketplace Fraud.

Contact Me

About Me

My introduction

Statistical models

  • Work experience creating, comparing and monitoring statistical models to:
  • Prevent credit card default
  • Detect Credit card onboarding frauds
  • Detect Credit card fraud transactions
  • Detect Marketplace Frauds like Return Refund Abuse, Shipping Fee Fraud, Voucher Fraud and others (Using Decision Tree, Linear and Logistic Regression and other analytical tools);

  • Data vizualization

  • Work experience in Data Visualization (Power BI, Python libraries like matplotlib, seaborn, plotly and streamlit);

  • Data manipulation

  • Work experience in ETL;

  • Solid knowledge in webscraping and API usage to get data;

  • Solid knowledge with python pandas, SAS Guide, Presto SQL and Spark SQL;

  • Work experience in data analysis;

  • Work experience automating tasks (Using python GET/POST requests, selenium webdriver, task scheduler and Linux VMs);

  • 09+ Years of experience
    with data
    03+ Years of
    Credit Risk experience
    06+ Years of
    Fraud Risk experience

    Qualification

    My personal journey
    Work and Education

    Bachelor of Business Administration

    IBMEC University
    2011 - 2015

    Credit Data Analyst - Credit Cards

    Banco Losango
    2014 - 2018

    Fraud Data Analyst
    - Credit Cards

    Bradesco Cartões
    2018 - 2021

    Sr. Fraud Data Analyst
    - Digital Accounts

    Banco Safra
    2021 - 2022

    Sr. Data Analyst - Marketplace Fraud

    Shopee
    2022 - Current

    Portfolio

    Most recent works

    Streamlit Dashboard

    A dashboard web application, made with python streamlit that show charts and other data viz assets from a dataframe created with random data

    Go to dashboard

    Bot to add recruiters in Linkedin

    A script that can be executed daily and add automatically recruiters in Linkedin. The script also enable you to filter the location, the level of the connections and also a specific role, as "tech recruiter", for example.

    Go to repo

    Web scraper and Telegram notificator bot

    I created a web scraper bot that caught at every minute, for ~1 week, the fee to withdrawal SLP (a crypto from a NFT game called Axie Infinity). After that, I created another bot, that started sending notification in a telegram group when the fee was below the 5% percentile of the fees that I got with the first bot.

    Go to repo

    Using ChatGPT directly from telegram

    With this script I just connected ChatGPT API into a telegram BOT that I created. So then I was able to use ChatGPT direct from my telegram.

    Go to repo

    Contact me

    Get in touch

    E-mail

    vitor.azambuja.90@gmail.com

    Location

    São Paulo, SP - Brazil