New opportunity

Applied AI Data Scientist

LexisNexis Legal & Professional · New York, United States of America

About this role

The Applied AI Data Scientist will design, evaluate, and improve LLM- and agent-based AI capabilities for LexisNexis legal products, partnering with engineers and product teams to prototype, run experiments, and build production-ready features. The role focuses on experimentation, evaluation, retrieval and prompting strategies, agent orchestration, and building rigorous domain-aware benchmarks and monitoring for legal workflows.

Skills for this role

Data ScienceMachine LearningLarge Language Models (LLMs)Agentic systemsPrompt EngineeringRetrieval-Augmented Generation (RAG)Retrieval and RankingEmbeddingsSemantic SearchStructured GenerationExperimental DesignHypothesis TestingA/B TestingCausal InferenceUncertainty QuantificationError AnalysisBenchmarkingEvaluation MethodologiesFeature EngineeringModel TrainingModel ValidationModel MonitoringPythonpandasNumPyscikit-learnSQLLangChainLangGraphLlamaIndex (GPT Index/LlamaIndex)