Worked together with the client Data Science and Analytics Team. Worked following the Agile methodology and Extreme Programming principles. - Developed a short-term demand forecasting model, using an ensemble of Hierarchical models in R (forecast package)- Developed a long-term demand forecasting model, using an ensemble of statistical (mainly SARIMAX) and machine learning (both XGBoost and LightGBM, plus SHAP for feature selection) in Python- Worked in Pyspark for migrating on premise tables to AWS. Developed knowledge about the AWS suite (EMR, S3, Glue, Athena mainly)