Projects

• From open data to healthcare indicators

  A Databricks, Spark and AWS pipeline that organizes ANS public data and supports analysis in Metabase.

  Python · Spark · AWS · SQL

  Full study in Portuguese

• Language models for financial text

  Adapting BERT models for sentiment analysis in asset manager letters, with documented methodology and evaluation.

  Python · NLP · Transformers · PEFT

  Full study in Portuguese

• Machine learning for fraud detection

  A public-data study of transaction classification and the trade-off between detecting fraud and raising false alarms.

  Python · Machine Learning · Model evaluation

  Full study in Portuguese