Freelancer profile translated to English.
Back to original languageAbout Christopher
French
Native or bilingual
Remote only
Primarily works remotely
Experience
- Société Général -Service épargne salarialeData EngineerApril 2025 - Today (1 year and 3 months)Nantes, FranceExtraction, Intervention, Script creation with PL/SQL. Data analysis and exploitation with Oracle BI (OBIEE) for dashboards, automated reports, and decision-making KPIs. Data analysis (employee savings, funds, positions, PEE plans, PER/PERCO, CCB) with Python.
- Havea Industrie-Data EngineerFebruary 2025 - April 2025 (2 months)Montaigu, La Quinte, FranceData quality control between PLM (internal tool) and SAP. Production data visualization with PowerBI. Technical documentation.
- Crédit Agricole-AVEMData ScientistSeptember 2023 - December 2024 (1 year and 3 months)Rennes, FranceGathering and understanding business needs. Data extraction (ETL with Talend). Data exploration, cleaning, and transformation (pandas, NumPy). Feature engineering: One-Hot Encoding, Frequency Encoding, creation of relevant variables. Data visualization: Seaborn, Matplotlib, Power BI. NLP processing of comments (NLTK, tokenization, lemmatization, TF-IDF). Modeling: Logistic Regression, Random Forest, GradientBoosting, AdaBoost, CatBoost.
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Education
- Master's degree level (Bac+6)INSA Engineering School (National Institute of Applied Sciences)2024Bac+6