Cristóbal Elton

All Projects

Complete portfolio of data analytics and engineering projects.

Mental Health Power BI Dashboard

Power BIPythonETL

Full ETL pipeline in Python and snowflake-style data model for Power BI, analyzing the global prevalence and burden of mental health disorders. Includes tooltips, bookmarks, slicers, and rich storytelling visuals.

Earthquake Azure Data Pipeline Cover

Earthquake Azure Data Pipeline

Microsoft FabricPySparkData FactoryPower BIMedallion Architecture

An end-to-end automated data pipeline in Microsoft Fabric transforming earthquake data from the USGS API into actionable insights using PySpark, Data Factory, and Power BI.

Sporting Goods Data Pipeline & Power BI

PythonAPI IntegrationETL PipelineShopify GraphQLPower BI

A robust end-to-end data pipeline integrating Bsale, Shopify, and marketplace sales into a unified model for advanced sales and inventory analytics in Power BI.

Retail SQL Project Cover

Retail Analytics SQL

SQLRetail Analytics

A structured SQL portfolio focused on solving business problems through sales analysis, segmentation, KPIs and optimization challenges using retail datasets. Includes a README and interactive tabs to browse both documentation and SQL code.

Spotify Dashboard Screenshot

Spotify 2023 Power BI Dashboard

Power BIDAXPythonData Visualization

Interactive dashboard built with Power BI to explore the most streamed songs in 2023. Insights into artist popularity, genres, and musical features.

LEGO Project Screenshot

LEGO Data Analysis

SQLPostgreSQLPythonData Cleaning

SQL-based data cleaning, database optimization, and EDA using a LEGO dataset in PostgreSQL.

London Underground Project Cover

London Underground Analysis

SQLTfL DataAnalysis

SQL-based data analysis using Transport for London (TfL) journey data. Includes public transport usage trends and modal comparisons across the city.

HR Analytics Dashboard

HR Analytics Power BI Dashboard

Power BIDAXData Analysis

Interactive dashboard using HR data to analyze turnover rates, salary distribution, and gender gaps. Built with Power BI and DAX for insightful business decisions.