Professional Experience

CloudWalk is a Brazilian unicorn democratizing the payment market with state-of-the-art technology through InfinitePay. As part of the credit team, I am responsible for the creation, deployment, and maintenance of credit models, as well as monitoring and analyzing all data related to credit operations.

I've been working on the creation of the model deployment platform, and more recently shifted focus to training large language models for finance — starting from the ground up by building the domain vocabulary and implementing the tokenizer in Rust.

Implemented and deployed risk and spending ML models in both online and batch environments, increasing predictive performance and business value for millions of customers.

Developed a comprehensive monitoring platform using Spark Scala for key metrics, streamlining dataset creation and enhancing analytics capabilities for stakeholders across the organization.

Built robust ETL pipelines from transactional SQL databases to business dashboards, significantly improving the company's analytical capabilities and data-driven decision making processes.

Collected and refined sensor data for optimized positioning of solar panels at a photovoltaic generation plant, contributing to renewable energy efficiency research.

Stored time-series data in NoSQL databases, enabling real-time analysis and performance insights for energy optimization.

Modeled and trained high-accuracy machine learning models to maximize energy output and operational efficiency in solar energy systems.