Data Science Specialist

• Aug 2023 - Present

Data Science Mentor

• May 2022 - Present

I'm a mentor at Awari, a career development platform backed by top-tier investors such as YCombinator and the founders of Viva Real (Brian Requarth), Guia Bolso (Thiago Alvarez) and Product Hunt (Ryan Hoover). I spend a few hours per week mentoring people who are looking to take the next step in their careers. I'll usually help out by sharing knowledge, answering questions, and giving feedback or advice. I'm a mentor at Awari, a career development platform backed by top-tier investors such as YCombinator and the founders of Viva Real (Brian Requarth), Guia Bolso (Thiago Alvarez) and Product Hunt (Ryan Hoover). I spend a few hours per week mentoring people who are looking to take the next step in their careers. I'll usually help out by sharing knowledge, answering questions, and giving feedback or advice.

Senior Data Scientist

• Jul 2022 - Aug 2023

● Creating and Implementing Anti-fraud Machine Learning Models - Fraud detection model that operates in more than thousands of transactions daily; - Credit score model that significantly reduced the default rate; - Model of credit limits that allows greater assertiveness in the limits available for each type of customer; ● Creating Dashboards in Power BI - Key indicators containing credit, fraud and transaction data of the main customers; - Integration with Redshift and real-time update with behavioral non-compliance alerts; - Database restructuring to optimize the creation of dashboards; Show less

Senior Data Scientist

• Oct 2021 - Jul 2022

● Uber Drivers Compensation Claim - Research on Uber's Business Model over the years and verification of driver payment installments; - Ingestion of data received from Uber into the Data Lake, normalization and enrichment of the data to create queryabled datasets; - Verification of inconsistencies in data and calculations based on information from Uber; - Creation of models for a descriptive analysis of the data provided; ● Automatic Document Classifier - Construction of a classifier that receives a batch of documents and automatically classifies them according to the case or sub-case that this document belongs to; - Integration of the classifier with Amazon Textract for automatic extraction of texts in documents; - Integration of the classifier with Amazon Comprehend for the derivation and understanding from supervised training with the extracted texts; - Integration of the solution in Amazon S3 for automatic input and output directly in the cloud; Show less

Lead Data Scientist

• Jun 2021 - Oct 2021

● Project Process Order Automation - SI Group- Configuration of database structure in PFPT and PRAT plants to allow automation of process order launch;- Creating automated event alerts for process orders;- Creation of analysis models that ensure the integrity of all process orders throughout the flow;- Creation of automatic insertion of process orders in the database;- Guarantee of data integration with SAP;

Data Scientist

• Feb 2019 - Jun 2021

● Project Intermediates & Specialties - INVISTA - Supervise the quality of work of the teams involved; - Build and update an overview of each stage of the project for each team; - Ensure the quality line of the built templates● Research and Development Project - CEMIG: Artificial Intelligence applied to customer relationships - Construction and application of a chatbot for customer service in channels in text and voice communication; - Construction and application of a text classification and behavior prediction model to create chat responses for the client; - Integration of existing channels for Omnichannel application throughout the customer communication system. Show less

Data Engineer

• Sep 2016 - Jan 2019

● Project Beacon - Georgia Pacific - Definition of all key process indicators for 11 different Georgia Pacific pulp and paper mills that monitor the status of each plant in real time; - Implementation of the new system collection and storage of data for all 11 plants; - Creation of calculations and models to generate the key process indicators from the data collected; - Creation of screens for visualization of these process indicators in real time for all 11 plants;● PIMS Waysides Project - Vale - Development and implementation of a telemetry model from the data collected in the sensors of the Carajás and Vitoria-Minas Railroad belonging to Vale, carrying out the monitoring, forecasting and control of the states of the wagons of the entire train fleet in these lines; - Development of a web application created for real-time visualization of the data collected on the state of the fronts of trains integrated with PIMS, where the data was stored;● PIMS S11D Project - Vale - PIMS's implementation of the Ferro Carajás S11D Project in the largest mining unit of Vale; - Creation of key performance indicators in Excel developed from the data collected in the PIMS; - Maintenance of the system; Show less

Developer

• Jan 2016 - Aug 2016

● Vale Bayovar Project - Vale - Development of process performance indicators in Excel for Vale's fertilizer mine located in Bayovar, Peru;● Vale Melhorias Automação - Vale - Development of a equipment downtime indicator in the Vargem Grande Complex of Vale.

Intern

• Jan 2014 - Dec 2015

● Vale Melhorias Automação - Vale - Development of web applications for management and control of Vale processes; - Development of Excel performance indicators for Vale's process management and control; - Improvements and maintenance in the PIMS systems of different boards of Vale.

Intern

• Feb 2013 - Aug 2013

Creation of a desktop application in Visual Basic that calculates, through equations of transport phenomena, the ideal size of a gas dehydration tower through the input variables provided. Creation of a desktop application in Visual Basic that calculates, through equations of transport phenomena, the ideal size of a gas dehydration tower through the input variables provided.

Vice President

• Mar 2012 - Nov 2012

● Participation in the creation and initial structuring of the sectors of the company. ● Capture of the first projects developed by the company and partnerships of other junior companies; ● Participation in the project to develop a new formulation for biodegradable plastic packaging for ASCACON (Associação de Catadores de Papel de Congonhas). ● Participation in the creation and initial structuring of the sectors of the company. ● Capture of the first projects developed by the company and partnerships of other junior companies; ● Participation in the project to develop a new formulation for biodegradable plastic packaging for ASCACON (Associação de Catadores de Papel de Congonhas).

Scholarship Holder

• Feb 2012 - Nov 2012

Modeling and simulation of desorption of carbon monoxide and dioxide in molecular networks containing oxygen, using the MATLAB as computing tool.

Scholarship Holder

• Feb 2011 - Feb 2012

Research and application of the recovery of metals in printed circuit boards by hydrometallurgical processes.