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Work Background
Cientista de dados
Arvo SaúdeCientista de dados
Apr. 2024
Fundador
Vizú LabsFundador
Sep. 2023 - Jan. 2025
Data Scientist
ProxifyData Scientist
Feb. 2023 - May. 2024
Risk and Fraud Manager
PagBankRisk and Fraud Manager
Jul. 2021 - Jul. 2022São Paulo, Brasil-Daily monitoring of fraud KPIs -Daily monitoring and studying of new fraud heuristics performance -Build, Deploy and maintain Machine Learning Models for post anomaly detection -Build, Deploy and maintain machine learning predictive models for real time fraud risk scoring -Maintain a useful Data Science environment as well as a Data Lake on AWS for studies and predictive model building
Lead Data Scientist
PagBankLead Data Scientist
Mar. 2020 - Jul. 2021São Paulo, Brasil- Build and maintain models for e-commerce fraud prevention (Random Forests, Extreme Gradient Boost,Neural Networks) - Setup a Data Science environment as well as a Data Lake on AWS
Data Science Specialist I
PagBankData Science Specialist I
Mar. 2019 - Mar. 2020São Paulo e Região, Brasil- Build and maintain models for e-commerce fraud prevention (Random Forests, Extreme Gradient Boost,Neural Networks) - Machine learn models for anomaly detection in face-to-face payments - Rare events modeling techniques in large datasets Tools:R, Python, Vertica, AWS, H2O
Senior Data Scientist
PagBankSenior Data Scientist
May. 2017 - Mar. 2019São Paulo, São Paulo, Brazil- A/B Tests to create heuristics to prevent new frauds. - Machine learn models for anomaly detection - Rare events modeling techniques in large datasets Tools:R, Python, SQL, AWS, H2O
Pleno Data Scientist
Itaú UnibancoPleno Data Scientist
May. 2016 - May. 2017- Development of a Machine Learning Model for Credit Scoring for Auto Loan - Development of income Prediction Model Tools: R, SAS (Guide, DI, Miner), SQL
Junior Data Scientist
Itaú UnibancoJunior Data Scientist
Mar. 2016 - May. 2016- Development of income prediction models
Junior Credit Risk Analyst
Itaú UnibancoJunior Credit Risk Analyst
Nov. 2014 - Feb. 2016São Paulo- Creation of predictive indicators of default - Responsible for elaborating the monthly presentation of credit portfolio situation to the bank’s CEO
Arvo Saúde
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