Chelsea Rhea Data Portfolio
Contact
765-623-6859

Charts

Charts screenshot

Tools

HTML / JavaScript HTML / JS
AWS AWS
SQL SQL
REST API REST API
Oracle Oracle
Python Python
BigQuery BigQuery
Looker Studio Looker Studio
Github Github

Projects

Retail Sales Analytics Pipeline

This project is built on a public warehouse and retail alcohol sales data published by Montgomery County, Maryland Alcohol Beverage Services (ABS). The dataset includes monthly, category-level sales and distribution records, enabling full ETL development, BigQuery warehousing, and analytical KPI modeling.

Tools Used
Python logo Python
BigQuery logo BigQuery
SQL database SQL
Looker Studio logo Looker Studio
GitHub logo GitHub

Energy Net Metering

This project builds an end-to-end ETL pipeline using public energy net metering data from the U.S. Energy Information Administration (EIA). Data is extracted via API, transformed with Python, and loaded into BigQuery to support analytical views and KPI reporting. The pipeline enables analysis of net metering adoption trends across U.S. states and territories over time.

Tools Used
REST API REST API
Python logo Python
BigQuery logo BigQuery
SQL database SQL
Looker Studio logo Looker Studio
GitHub logo GitHub

Car Review LLM

This project processes customer review data from an unstructured CSV files, automatically cleans and organizes the information, and uses AI large language model to generate short summaries and sentiment insights. It demonstrates how raw, unstructured text can be transformed into clear, meaningful takeaways that help support better decision-making.

Tools Used
Python logo Python
Hugging Face Transformers
GitHub logo GitHub

Reservation App

This project is a real-time restaurant reservation application backed by an Oracle relational database. The front end communicates with a REST API to manage seat availability, enforce capacity rules, and prevent double bookings. Reservation state is persisted in Oracle tables and reflected immediately on an interactive seat map.

Tools Used
JavaScript JavaScript
Oracle Oracle
SQL database SQL
REST API REST API
GitHub logo GitHub

EHR App

This project is a full-stack EHR web application that simulates secure patient data management. Built with HTML and JavaScript on the front end, an AWS-hosted relational database on the backend, and a REST API for data access. Focused on data modeling, API integration, and scalable system design to mirror real-world healthcare information systems.

Tools Used
JavaScript JavaScript
AWS AWS
SQL database SQL
REST API REST API
GitHub logo GitHub

Healthcare Lakehouse

This project ingests generated healthcare CSV datasets into Databricks Volumes, loads them into Delta tables, models BI-ready SQL views, and validates KPIs before embedding results in a Power BI dashboard.

Tools Used
Python logo Python
Databricks Databricks
SQL database SQL
Power BI Power BI
GitHub logo GitHub

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