Freelancer profile translated to English.

Description

Data analyst with a scientific background, specializing in data analysis, cleaning, and visualization. Capable of transforming raw data into actionable insights for decision-making. Proficient with Excel, SQL, Python, and Power BI for exploration, reporting, and dashboard creation.

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Toulouse (up to 50km)

Freelance / Personal Project
Oracle of Medals – JO 2024
January 2026 - March 2026 (2 months)
Complete data analysis and machine learning project focused on the Olympic Games, aiming to predict the number of medals per country.

Tasks performed:
- Cleaning and preparation of historical Olympic Games data
- Exploratory analysis to identify trends by country and discipline
- Feature engineering and development of a prediction model
- Model performance evaluation and improvement
- Development and deployment of an interactive application with Streamlit

Results:
- Online application for visualizing performance and estimating medal counts
- Highlighted key trends by country

Tools: Python, Pandas, NumPy, scikit-learn, Matplotlib, Seaborn, Streamlit
Python Streamlit Machine Learning Microsoft Power BI Dashboard
Freelance / Personal Project
Data Analyst – Movie Recommendation System
November 2025 - January 2026 (2 months)
Data analysis and machine learning project to develop a movie recommendation system for a cinema.

Tasks performed:
- Data collection and preparation (IMDb, TMDB)
- Cleaning and processing of large datasets
- Exploratory analysis of movies (genres, ratings, trends)
- Feature engineering and development of a recommendation model
- Creation of visualizations and key indicators

Results:
- System capable of recommending similar movies
- Identification of cinematic market trends

Tools: Python, Pandas, Matplotlib, Seaborn, scikit-learn
Python MySQL Machine Learning Streamlit Microsoft Power BI
Freelance / Personal Project
Data Analyst – Sales KPI Dashboard
September 2025 - November 2025 (2 months)
Business-oriented data analysis project to analyze sales data and create Key Performance Indicators (KPIs).

Tasks performed:
- Data cleaning and transformation with SQL
- Exploratory analysis to identify sales trends
- Definition and calculation of relevant KPIs
- Design and development of an interactive dashboard with Power BI
- Visualization of commercial performance

Results:
- Dashboard for tracking sales and performance
- Identification of top-performing products and key trends

Tools: SQL, Power BI, Excel
SQL Microsoft Power BI Power BI Desktop KPI Definition and Monitoring BI Strategy

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Data Analyst Certification – RNCP level 6 (RNCP 37429)
Wild Code
2025
Certification Data Analyst – RNCP niveau 6 (RNCP 37429)
Master's Degree
University of Tunis El Manar
2012
Master en

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Data Analyst

Salma Mtaallah

Data Analyst

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