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Sahnoun BilelSB

Sahnoun Bilel

Data Scientist & Machine Learning Engineer

150 €/jour
Paris, FR
0-2 ans

Délai de réponse moyen : 1h

À propos de Sahnoun

Data Scientist & Machine Learning Engineer – Spécialisé dans la conception de modèles prédictifs, la création de chatbots et agents IA intelligents, ainsi que le développement de dashboards décisionnels Power BI permettant aux entreprises de mieux analyser, anticiper et automatiser leurs process.
  • Français

    Bilingue ou natif

  • Anglais

    Capacité professionnelle complète

Accepte de travailler sur site
Paris (jusqu’à 50 km)

Expériences

  • Gofield
    AI Agent for Intelligent Audit Checklist Generation (Retail)
    CONSEIL & AUDIT
    février 2025 - juillet 2025 (5 mois)
    Tunis, Tunisie
    – Designed an AI agent that generates store-specific audit checklists by leveraging each store’s audit history,
    non-compliance patterns, and corrective actions.
    – Built a multi-agent orchestration combining rule-based constraints with contextual signals (store profile, category,
    seasonality, recent issues).
    – Developed a RAG pipeline using CamemBERT embeddings, FAISS, MongoDB, and an Ollama-based LLM to
    ground recommendations in internal documents and past audits.
    – Integrated structured audit reports, templates, and field feedback into standardized, actionable checklist outputs.
    – Implemented a feedback/learning loop with Stable-Baselines3 PPO and a custom OpenAI Gym environment to
    improve checklist prioritization and relevance.
    – Standardized store data and agent interfaces via the Model Context Protocol (MCP) to ensure interoperability and
    easier integration.
    Impact: Improved audit compliance across stores and increased the consistency and actionability of generated checklists.
    Retrieval-Augmented Generation (RAG) Reinforcement Learning intelligence artificielle Agent IA Audit
  • Tunis Stock Exchange
    Stock Market Prediction
    juin 2024 - août 2024 (2 mois)
    Tunis, Tunisie
    – Extracted and parsed high-frequency time-series from MDG servers using robust regex-based pipelines and
    automated checks.
    – Built a reproducible preprocessing workflow (cleaning, encoding, scaling, temporal alignment) with leakage-safe,
    time-based splits.
    – Implemented and compared deep forecasting models (RNN, LSTM, DeepLOB) with walk-forward evaluation and
    ablation testing.
    – Improved performance through systematic hyperparameter tuning (sequence length, hidden size, dropout, learning
    rate) and model calibration.
    Impact: Achieved 60% accuracy on short-term trend prediction, improving the reliability of analyst monitoring.
    Machine learning Nettoyage et prétraitement des données Web Scraping Séries temporelles LSTM
  • ADHEPACK
    Employee Turnover Prediction
    INDUSTRIE MATIÈRES PREMIÈRES
    juin 2023 - juillet 2023 (1 mois)
    Sfax, Tunisie
    – Prepared data through cleaning, encoding, and scaling to ensure optimal integration with machine learning models. – Built a complete pipeline using ColumnTransformer and Pipeline to streamline data transformations and model predictions. – Compared multiple classification models including Logistic Regression, Decision Tree, Random Forest, and XGBoost, using metrics such as accuracy, precision, and recall. – Developed a user interface with Tkinter enabling real-time prediction of employee turnover risk.
    Processus ETL (Extract, Transform, Load) Tkinter Random Forest Logistic Regression XGBoost

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Formations

  • MSc Data Management & AI
    Ecole Centrale d'Electronique et Informatique Paris (ECE Paris)
    2025
  • Data Scientist
    Higher School of Statistics and Information Analysis Tunis
    2025
    Engineering

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