Koussay G.
Final Year Internship
Experience
Feb 2025 - May 2025
4 monthsFinal Year Internship
Tunisie Telecom
- Developed a full-stack HR analytics web app using React.js, Node.js, Express, and MySQL, integrating employee and document management.
- Designed ETL pipelines and a data warehouse with Talend, Excel, and PostgreSQL to centralize HR data.
- Built Power BI dashboards and ML-based predictions using Python for workforce performance analytics.
Jan 2022 - Sep 2025
3 years 9 monthsExcel Dashboard
Advanced Data Analytics Project
- Developed an Advanced Excel dashboard to track and analyze graduate data across 7 countries, 5 degrees, and 12 specialties
- Utilized data cleaning, pivot tables, and dynamic visualizations to identify trends by gender, country, and year (2022-2025)
- Delivered data-driven insights through KPI tracking and comparative charts for education analytics
Restaurant Sales Analytics & Forecasting
DataResto Insights
- Developed a data-driven web app for restaurant sales analysis and performance forecasting using Python, Flask, and MySQL.
- Conducted data analysis and visualization with pandas, Seaborn, and Power BI, identifying trends and top-performing categories.
- Built a 30-day revenue prediction model with Prophet, delivering actionable insights for business decisions.
Data Analytics & ML
Pizza Sales & Delivery Dashboard
- Created a Power BI dashboard with CSV ETL and star schema for optimized reporting.
- Integrated Python machine learning (Gradient Boosting, Feature Importance) for delivery time analysis and prediction.
Tourism Data Analytics Platform
SmartTrip Insights
- Built a web application for tourism analytics using Flask, React.js, and MySQL.
- Integrated Power BI dashboards for real-time insights and trip behavior analysis.
- Applied data processing and recommendations using Python, Excel, and Jupyter Notebook to enhance travel experiences.
Summary
Data Scientist with a degree in Business Intelligence, skilled in data analysis, ETL development, and machine learning. Experienced in building data warehouses, predictive models, and interactive dashboards using Python, R, Power BI, and Advanced Excel. Proficient in SQL databases (MySQL, PostgreSQL) and Talend for data integration. Strong ability to transform complex data into actionable insights and integrate analytics into modern web applications.
Languages
Arabic
NativeEnglish
AdvancedFrench
AdvancedGerman
ElementaryItalian
ElementaryEducation
Oct 2022 - Jun 2025
Faculty of Management and Economics & Higher Institute of Computer Science Mahdia
Bachelor’s Degree in Management Information Systems, BI Major · Management Information Systems · Mahdia, Tunisia
Oct 2022 - Jun 2022
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High School Diploma in Computer Science · Computer Science
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