Senior Data Scientist

Job description

Main mission: Design, develop, and implement AI- and machine learning-based models and solutions to enrich the content and products of LexisNexis France, a leader in legal information. Key responsibilities: - Define and implement predictive models and advanced algorithms (NLP, classification, ranking, clustering). - Leverage complex data (legal texts, metadata, usage logs) to create innovative solutions. - Ensure the quality and robustness of models in production (testing, monitoring, optimization). - Collaborate with the Product, Development, and Editorial teams to translate business needs into data-driven solutions. - Participate in technology monitoring and the improvement of data science practices. Detailed activities: - Data collection, cleaning, and preparation - Model design and training (machine learning, deep learning, LLMs) - Performance evaluation and hyperparameter tuning - Presentation of experiment results - Deployment of models in a cloud environment (AWS) with CI/CD - Technical documentation and knowledge transfer to the team - Contribution to applied research and POC projects Experience: Minimum 5 years in Data Science, including significant experience in NLP and m...