Nizar CHEHAIBOU

Engineer specialized in Data Science and AI at Orange

Salary / Daily rate

Paris, France

Freelance, open to permanent contract

Skills

Data ScienceMachine LearningPythonData AnalysisData VisualizationPower BISQL QueriesGoogle Cloud PlatformSnowflakeGoogle BigQueryApache AirflowScrumData EngineeringDeep Learning

About me

Intro

Engineer in Data Science and Artificial Intelligence with professional experience at Orange France. Specialized in marketing campaign analysis, predictive modeling, and data visualization. I contributed to optimizing customer retention strategies. Curious, adaptable, and result-oriented, I aim to leverage my skills in innovative projects to support strategic decision-making.

Links

Work experience

Orange

Sep 2022 - Present

4 years 2 months

Paris, France

Ingénieur spécialisé en Data Science et IA

Sep 2022 - Present

4 years 2 months

Paris, France

Applied machine learning algorithms to predict and reduce customer churn, enhancing customer retention strategies. Conducted general analysis of marketing campaigns to identify key insights and optimize performance. Developed dashboards for data visualization to facilitate campaign monitoring and decision-making. Managed project execution and coordination within a cross-functional team, ensuring timely delivery of objectives. Collaborated with various teams to develop predictive models that supported data-driven decision processes. Led the development of a proof of concept (POC) for Mautic marketing automation software, demonstrating project management and innovative solution delivery.

Artificial Intelligence Engineer

Sep 2022 - Aug 2025

3 years

Paris, France

• Développé et déployé des modèles prédictifs (régression, classification, Random Forest, XGBoost) réduisant le churn client de 12% sur un portefeuille de plus de 3M de clients avec un gain de performance de +5 points AUC par rapport aux méthodes existantes • Analysé des volumes massifs de données marketing (>100M lignes) pour générer des insights actionnables, améliorant le ROI des campagnes de fidélisation de +8%. • Conçu et industrialisé des dashboards dynamiques (Python, SQL, Power BI, GCP) consultés par +50 analystes marketing pour un suivi en temps réel des KPIs. • Implémenté une segmentation client avancée (K-means, scoring RFM) permettant de personnaliser les parcours marketing et d’augmenter le taux d’engagement de +15%. • Piloté un POC d’automatisation marketing (Mautic) intégrant des algorithmes prédictifs. • Travaillé en méthodologie Agile/Scrum, en étroite collaboration avec les équipes Data Engineering, IT et Marketing.


Education

ESIEA - École d'Ingénieur·e·s d'un numérique utile

Ingénieur, Informatique

2022 - 2025

2 years 11 months

Université Paris Cité

DUT STID, Data-Science

2020 - 2022

1 year 11 months

Université Paris Cité

DUT STID, Statistics

Université du Québec à Chicoutimi

Master of Engineering - MEng, COMPUTER AND INFORMATION SCIENCES AND SUPPORT SERVICES

ESIEA

Master of Engineering, Data Science

Collège Honoré de Balzac

General High School Diploma


Licenses & certifications

Smart Analytics, Machine Learning, and AI on GCP en Français

Issued: Apr 2023

Certified by Coursera

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