Iulia Feroli developed a Spotify Wrapped Dashboard Tutorial Notebook for the elastic/elasticsearch-labs repository, guiding users through extracting Spotify streaming history, indexing it into Elasticsearch, and running aggregations to analyze listening habits. The project showcased practical data analysis and visualization using Python and Jupyter Notebooks, providing a reusable workflow for content creators and new contributors. Additionally, Iulia maintained documentation quality in the huggingface/lerobot repository by fixing a broken README link to the dataset visualization notebook, ensuring users could access key resources. Her work demonstrated depth in data engineering, clear documentation practices, and a focus on stable, user-friendly open-source contributions.