Hiring: Senior Data Scientist II Company: LexisNexis Location: California, United States Job Posted Time: 2026-09-16 20:30:57 Employment Type: Hybrid Target Skills & Keywords : HTML, LLM, LangChain, Machine Learning, NLP, Python, RAG About the job Required Skills: •Are you looking to develop your Data Scientist career? •Would you enjoy training more junior team members? •Develop and implement NLP, LLM, and generative AI approaches (e.g., RAG, prompt strategies). •Define agentic workflows and reasoning strategies for multi-step legal tasks. •Develop retrieval strategies, including hybrid search (semantic + lexical), and evaluation metrics (e.g., relevance, ranking quality). •Analyze large-scale legal datasets to extract insights and improve model performance. •Establish best practices for model evaluation, validation, and benchmarking. •Translate experimental results into clear product recommendations and business impact. Qualifications: •Master’s degree or above in a quantitative or technical field. •Strong experience in machine learning, NLP, and LLM-based modeling. •Strong experience designing and running experiments, including model evaluation and iteration. •Proficiency in Python and data analysis tools. •Strong foundation in statistics, modeling, and large-scale text processing. •We know your well-being and happiness are key to a long and successful career. We are delighted to offer country specific benefits. Click here to access benefits specific to your location. Compensation: •$120,600 - $200,900 / year Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!