Senior Data Scientist II: AI & NLP for Legal Workflows

RELX Inc. Company; North Carolina; On-site; USD 110,000 - 190,000; Full time

Benefits offered by this job

Health benefits

Retirement benefits

Wellbeing platform

Job summary

LexisNexis Legal & Professional is seeking a Senior Data Scientist II to lead the design and validation of Agentic AI-driven product capabilities in the legal domain, leveraging ML, NLP, and large language models to solve complex workflows.

You will drive experimentation, modeling, and evaluation, partnering with engineers to translate validated approaches into scalable, customer-facing solutions, while mentoring teammates and providing technical leadership.

Qualifications

• Master's degree or higher in a quantitative/technical field.
• Strong experience in ML, NLP, and LLM-based modeling.
• Experience designing and running experiments with model evaluation.
• Strong coding skills in Python or similar.
• Experience with generative AI techniques including prompt engineering and RAG.
• Experience designing and evaluating hybrid search using embeddings and vector databases.
• Hands‑on experience applying agent frameworks (e.g., LangChain, LangGraph, AutoGen).
• Proficiency in Python and data analysis tools.
• Strong foundation in statistics, modeling, and large-scale text processing.

Responsibilities

• Develop and implement NLP, LLM, and generative AI approaches (e.g., RAG, prompts).
• Define agentic workflows and reasoning for multi-step legal tasks.
• Develop retrieval strategies, including hybrid search, and evaluation metrics.
• 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.
• Collaborate with product, legal experts, and engineers to align solutions with user needs.
• Mentor team members and provide technical leadership in data science and AI.

Skills

NLP

LLMs

Machine learning

Experiment design

Python

LangChain

LangGraph

AutoGen

Prompts

Hybrid search

Education

Master's degree in quantitative field

Tools

Python

Vector databases

Job description

LexisNexis Legal & Professional is seeking a Senior Data Scientist II to lead the design and validation of Agentic AI-driven product capabilities in the legal domain, leveraging ML, NLP, and large language models to solve complex workflows.

You will drive experimentation, modeling, and evaluation, partnering with engineers to translate validated approaches into scalable, customer-facing solutions, while mentoring teammates and providing technical leadership.