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Rafael Natero

Rafael Natero

Data Scientist

Entrepreneur | São Paulo

Technologies

My Portfolio Highlights

My New Track

Python Data Fundamentals

My New Track

Data Analyst

My New Track

Data Scientist

My New Track

Python Data Fundamentals

Conclusions without data are nothing but guesses

My Work

Take a look at my latest work.

project

Predicting Movie Rental Durations

Python
project

When Was the Golden Era of Video Games?

Python
project

Clustering Antarctic Penguin Species

Python
project

Predicting Movie Rental Durations

Python

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

Courses

Introduction to Python
Introduction to SQL
Introduction to R
Intermediate SQL

My Work Experience

Where I've interned and worked during my career.

SumUp | Oct 2021 - Jun 2023

Senior Data Scientist - Lending Team

• Developed and implemented the team's primary dashboards, providing real-time insights into loan repayment performance utilizing PostgreSQL for data storage and Tableau for visualization. • Enhanced the risk assessment pipeline and created the inaugural default risk model for identifying "best clients," leveraging Python and LOGIT modeling techniques (reducing default rate by 18p.p.). • Devised a predictive model to estimate individual loan amounts, employing time series analysis, decomposition methods, and forecasting algorithms (ARIMA and SARIMA).
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BLU365 | Feb 2018 - Oct 2021

Data Scientist

• Conducted comprehensive data collection and preprocessing for training and evaluating predictive models, ensuring accuracy and reliability. • Developed forecasting models to predict the probability of SMS delivery and client debt negotiation, employing Random Forest and LOGIT. • Automated various tasks and processes using Python, streamlining workflows and enhancing efficiency across the organization. • Participated in data storage optimizations on AWS, resulting in significant cost reductions while maintaining data integrity and accessibility (As a whole, the team was able to cut AWS costs by half).

BLU365 | Dec 2016 - Feb 2018

Data/Performance Analyst

• Specializing in data analytics, I leverage AWS Athena and PowerBI to craft effective debt collection strategies, maximizing ROI on communication channels. • Conducted routine meetings with banking contractors to review results, identify optimization opportunities, explore collaborations, and acquire new clients.

My Education

Take a look at my formal education

Bachelor of Science in FinanceUniversity of Tampa | 2014

About Me

Rafael Natero

With 6 years experience working as a data scientist and more than eight years of operating in the financial sector, I strive to bring high-quality insights and solutions to businesses seeking higher efficiency.

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