Kerolos Medhat - Data Analyst & Data Scientist

Kerolos Medhat

Data Analyst & Data Scientist

Transforming raw data into actionable business insights through analytics, machine learning, and visualization.

About Me

I am a Data Analyst & Scientist with a strong focus on solving real-world business problems using data. I have delivered multiple projects across Retail, Supply Chain, Finance, and Healthcare domains. My skill set spans advanced SQL for data extraction, Python for complex analysis and machine learning, and Power BI for building high-impact dashboards. I also possess solid foundations in Data Engineering, ensuring data pipelines are clean, scalable, and production-ready.

Technical Skills

Programming

PythonSQLC++

Data Analysis

PandasNumPyExcelPower Query

Visualization

Power BITableauMatplotlibSeabornStreamlit

Machine Learning

Scikit-learnRegressionClassificationClustering

Databases & Storage

MySQLPostgreSQLDatabase IntegrationData Warehousing (Star Schema)

Big Data & Processing

Apache SparkHadoopApache AirflowWeb Scraping

Cloud Platforms

Microsoft Azure

Tools

GitGitHubJupyter NotebookVS CodeGoogle Colab

Services I Offer

Comprehensive data solutions tailored to your business needs

Data Analysis & Business Insights

Transform raw data into actionable insights that drive business decisions and improve operational efficiency.

Power BI Dashboard Development

Create interactive, high-impact dashboards that visualize complex data in intuitive and meaningful ways.

Machine Learning Solutions

Build and deploy predictive models for classification, regression, and clustering to solve real-world problems.

Data Engineering Foundations

Design and implement scalable data pipelines and warehouses following industry best practices.

Reporting Solutions

Create efficient, comprehensive reports that provide clear insights and support data-driven decision-making.

Experience

Data Engineer | Python, SQL, Spark

Digital Egypt Pioneers Initiative (DEPI)

Dec 2025 – Present
Cairo, Egypt | Hybrid
  • Built and processed datasets using Python and SQL for data engineering workflows
  • Designed and queried relational databases using MySQL and PostgreSQL
  • Applied Apache Spark and Hadoop for large-scale data processing
  • Developed projects involving web scraping, data integration, and cloud-based solutions using Microsoft Azure

Data Analyst | Excel, Power BI, SQL

Data-X

Nov 2025 – Present
Remote
  • Developed advanced Excel solutions using formulas, functions, Pivot Tables, Power Query, and Power Pivot
  • Cleaned, transformed, and modeled data for reporting and analytical use cases
  • Built professional dashboards using Power BI, applying strong data modeling and data warehousing concepts
  • Delivered multiple projects across Banking, Retail, Supply Chain, Sales, and Healthcare

AI & Data Science Engineer | Machine Learning Projects

National Telecommunication Institute (NTI)

Sep 2025 – Oct 2025
Cairo, Egypt
  • Built and evaluated machine learning models using Python and Scikit-learn
  • Applied supervised learning techniques on datasets exceeding 50K records
  • Worked with neural networks using TensorFlow and Keras
  • Delivered AI-based analytical solutions in a professional team setting

Machine Learning Engineer | Python & Scikit-learn

Sprints × Microsoft Summer Camp

Jun 2025 – Sep 2025
Egypt
  • Studied programming fundamentals and OOP concepts
  • Performed data analysis using NumPy, Pandas, and Matplotlib
  • Built and evaluated machine learning models following end-to-end workflows
  • Completed multiple applied projects simulating real-world ML tasks

Data Engineer | SQL & Data Processing

Information Technology Institute (ITI)

Jun 2025 – Aug 2025
Ismailia, Egypt
  • Designed and queried datasets using advanced SQL joins and aggregations
  • Applied Linux fundamentals for data and file management
  • Processed and transformed datasets using Python
  • Built strong foundations in ETL processes and data engineering concepts

Data Analyst | Power BI & Data Visualization

Digital Egypt Pioneers Initiative (DEPI)

Oct 2024 – May 2025
Cairo, Egypt
  • Cleaned, transformed, and analyzed structured datasets for business insights
  • Built interactive dashboards using Power BI and Tableau
  • Wrote optimized SQL queries for reporting and analysis
  • Applied Python statistical libraries to support data-driven decision making

Data Scientist | ML & Analytics Projects

Optical Soft

Jun 2024 – Jan 2025
Cairo, Egypt
  • Completed a comprehensive Data Science program covering Python, SQL, and ML
  • Built and evaluated machine learning models on real datasets
  • Delivered capstone projects applying end-to-end data science workflows
  • Strengthened analytical thinking and problem-solving skills

Projects

Real-world projects demonstrating expertise in data analysis and machine learning

Data Analysis Projects

Uber Data Analytics Project

Comprehensive analysis of Uber trip data with interactive visualizations and insights.

PythonPower BI
View Project

Marketing Campaign Analysis

Analyzed marketing campaign performance to optimize ROI and customer engagement.

Power BI

Superstore Sales Analysis

End-to-end sales analysis identifying trends, patterns, and growth opportunities.

PythonSQLPower BI
View Project

Data Science & Machine Learning Projects

Heart Disease Prediction App

Machine learning application predicting heart disease risk with interactive interface.

PythonScikit-learnStreamlit
View Project

Titanic Dataset Analysis

Classification model predicting passenger survival with feature engineering.

PythonScikit-learn
View Project

Education

Bachelor of Computer Science

Higher Technological Institute

Sep 2022 – May 2026
GPA: 3.3

Leadership

Data Analysis Capstone Project – DEPI Scholarship

Team Leader

  • Led a team of 5 members through complete project lifecycle
  • Delivered end-to-end analytics solution using Python, SQL, and Power BI
  • Coordinated tasks, resolved blockers, and ensured timely delivery

Let's Connect

Interested in working together? Reach out and let's discuss your data needs.

Open to Opportunities

I'm actively seeking data analyst and data scientist roles where I can apply my skills to solve complex business problems and drive data-driven decision making.