
Contributed to the pcamarillor/O2025_ESI3914O repository by developing four new features focused on data engineering and educational tooling. Built a reusable Python library for bank account management, complete with a demonstration notebook, and enhanced analytics capabilities through a Jupyter Notebook analyzing song play data. Improved Spark-based data processing pipelines by adding schema generation utilities and a car rentals workflow with Parquet and CSV outputs. Refactored existing labs for clarity and maintainability, and expanded documentation to support collaborator onboarding. Leveraged Python, PySpark, and SQL to deliver reproducible, scalable solutions that streamline data workflows and support hands-on learning in the repository.
In September 2025, delivered a cohesive set of data engineering and learning-material improvements for pcamarillor/O2025_ESI3914O, focusing on documentation, analytics, reusable libraries, and Spark-based data processing. These contributions enhance reproducibility, hands-on learning, and scalable data workflows while delivering tangible business value through clearer documentation, actionable analytics capabilities, and reusable components.
In September 2025, delivered a cohesive set of data engineering and learning-material improvements for pcamarillor/O2025_ESI3914O, focusing on documentation, analytics, reusable libraries, and Spark-based data processing. These contributions enhance reproducibility, hands-on learning, and scalable data workflows while delivering tangible business value through clearer documentation, actionable analytics capabilities, and reusable components.

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