Open to opportunities

João Matos

@joomatos

Message

I’m a Senior Data Scientist with 7+ years of experience in machine learning, AI, and data analysis

Brazil

Message

What I'm looking for

I seek a dynamic role that fosters innovation and collaboration, focusing on impactful AI projects.

Hi, my name is João Matos, and I’m a Senior Data Scientist with 7+ years of experience in machine learning, AI, and data analysis. I specialize in Python, SQL, Spark, AWS, and Databricks, building high-impact models that drive business value.

Throughout my career, I’ve worked on fraud detection, payment risk classification, and AI automation, delivering solutions that saved millions in costs. My expertise lies in optimizing ML models, handling large-scale data, and implementing AI-driven automation.

I’m passionate about solving complex problems, leveraging AI to create efficient solutions, and continuously improving models for real-world applications. I’d love the opportunity to bring my technical skills, strategic thinking, and innovation to your team. Looking forward to connecting!

Experience

Work history, roles, and key accomplishments

Current

Senior Data Scientist

Current

Vero Internet

Jul 2024 - Present (10 months)

Specialized in implementing machine learning and generative AI models. Developed Python, Spark, and SQL scripts for data modeling. Led a classification model project that achieved $1 million in monthly savings by addressing non-compliance in payments.

Machine Learning Python Spark SQL Databricks AWS Lambda Data Modeling

Data Scientist

Stefanini Group

Mar 2021 - May 2022 (1 year 2 months)

Worked on a Next Best Offer model for the banking sector, providing data-driven investment recommendations to clients.

Data Science Machine Learning Python Data Analysis SQL

Data Scientist

Captalys

Dec 2021 - May 2022 (5 months)

Developed 8 machine learning models, including regression and classification, significantly reducing non-compliance payments.

Machine Learning Python Data Analysis Classification SQL Data Modeling

Business Intelligence Analyst

Unimed Uberlândia

Oct 2020 - Jun 2021 (8 months)

Promoted to mid-level Data Scientist, developed fraud detection models using Python and SQL, preventing 12% of fraudulent payments.

Business Intelligence Fraud Detection Python SQL Data Analysis Data Processing Machine Learning

Senior Data Scientist

WOBA (Beer or Coffee)

Jun 2020 - Jan 2021 (7 months)

Designed and deployed end-to-end machine learning models to optimize booking processes. Developed an AI assistant that automated bookings and implemented a neural network recommendation system, generating $3 million in annual savings.

Machine Learning AI Neural Networks Python API Integration DaVinci Engine Cost Optimization Data Analysis Automation

Data Analyst Intern

Xtrategie

Nov 2017 - May 2018 (6 months)

Gained experience in data analysis and modeling, contributing to projects that enhanced data-driven decision-making.

Data Analysis Python SQL Data Modeling Machine Learning

Education

Degrees, certifications, and relevant coursework

Federal University of Uberlândia

Bachelor's Degree, Statistics

2017 - 2021

Completed a Bachelor's Degree in Statistics, focusing on data analysis, statistical methods, and machine learning techniques. Developed a strong foundation in quantitative analysis and data-driven decision-making.