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Jonathan Sanchez

Junior Data Analyst focused on SQL, Excel, Power BI, and Python.

I work on personal projects where I clean data, build dashboards, and review trends using real datasets. I like working with structured data, writing queries, and turning raw data into clear reports that are easy to understand.


Technical Skills

  • SQL (MySQL, SQL Server)
  • Excel (Pivot Tables, Reporting, Data Cleaning)
  • Power BI (DAX, Data Modeling)
  • Python (Pandas)
  • Data validation
  • Reporting

Projects

SQL Relational Database & Reporting Project

Built a relational database and wrote queries with JOIN, GROUP BY, SUM, and COUNT to organize data and create reports.

Amazon Pricing & Discount Analysis (Python)

Reviewed pricing and discount data with Python and Pandas to compare categories and find patterns in the dataset.

Amazon Pricing Dashboard (Power BI)

Built a Power BI dashboard to track pricing and discount trends with filters, KPI cards, and DAX measures.

PHP & MySQL Record Management System

Built a web application connected to a MySQL database to add, edit, delete, and view records.


About Me

I’m currently studying Computer Science at Inter American University of Puerto Rico. I’m interested in data analysis, reporting, and data support roles where I can keep learning and keep building real experience.

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