Mohamed Atef
Portfolio

Data analyst & BI Developer skilled in SQL, BI tools, Power BI, Python, Excel @MohamedAtef

Olist
(Brazilian E-Commerce)

This is a Complete BI project from scratch and include both (OLTP) And OLAP Data warehousing.

Olist is an enterprise that engages with multiple merchants for marketing their products online and charges a commission for each product that is ordered.
Project Goal : constructing dashboards that facilitate the analysis of data and assess the performance of sellers via key performance indicators (KPIs).
project Tools (SQL For Data cleaning & exploration And building OLTP Schema, SSIS For Data integration And building Data warehouse (OLAP), SSRS for paginated reports, Power BI for dashboards, Tableau for dashboards).

HR Attrition Analytics
Data analysis

In this project, I built dashboards using Power BI that Analyze company's data To determine the reasons of employees Attrition,furthermore I generated random names using MS SQL server with external data!

Project tools (Power BI using Power Query for data cleaning and transformation , Dax For measures). drill-through and filter pages were implemented to improve the charts with additional details and information.

Telecom company
Data analysis

This is a Complete BI project from scratch and include both (OLTP) And OLAP Data warehousing.

In this project, we build dashboards that Analyze telecommunication company's data To determine the reasons of churning out from it!

project Tools (SQL For Data cleaning & exploration, SSIS For Data integration, SSAS for creating cubes, SSRS for paginated reports, Power BI for dashboards, Tableau for dashboards).

League of legends
Fun and learning project

As a former player of the online game "League of legends",I recently came across some data related to the game and decided to use my skills to analyze it for fun and learning.

This project involves the use of Excel & Power BI,

Excel for data cleaning & Exploration, power Query for preparation. DAX was utilized for measure creation. In addition, I added relevant images to make it more engaging and easier to understand and various filters were added to enhance usability

Churned Customers
data visualization project

in this project, we build dashboards that Analyze telecommunication company's data To determine the reasons of churning out from it!

This project involves the use of Power BI,specifically Power Query for data cleaning, exploration, and preparation. DAX was utilized for measure creation. In addition, Drill Through functionality was implemented to provide users with more detailed information, and various filters were added to enhance usability.

Locations

6th of October, Giza, Egypt

Mandara, Alexandria, Egypt


Phone

01551176262

Gmail

MohamedAtef3155@gmail.com

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