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About the Role
We are seeking a Senior Data Scientist II to lead the design and validation of Agentic AI-driven product capabilities within the legal domain. This role focuses on leveraging machine learning, NLP, and large language models to solve complex legal workflows, driving experimentation, and translating validated approaches into scalable, customer-facing solutions.
Responsibilities
- Develop and implement NLP, LLM, and generative AI approaches including RAG and prompt strategies.
- Define agentic workflows and reasoning strategies 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.
Requirements
- Strong experience in machine learning, NLP, and LLM-based modeling.
- Strong experience designing and running experiments, including model evaluation and iteration.
- Strong coding skills.
- Experience with generative AI techniques such as prompt engineering and RAG.
- Experience designing and evaluating hybrid search using embeddings and vector databases.
- Experience designing agentic workflows and reasoning strategies using frameworks like LangChain, LangGraph, or AutoGen.
- Proficiency in Python and data analysis tools.
- Strong foundation in statistics, modeling, and large-scale text processing.
Skills
- Machine Learning
- NLP
- Large Language Models (LLMs)
- Generative AI
- RAG
- Prompt Engineering
- Python
- Data Analysis
- Statistics
- LangChain
- LangGraph
- AutoGen
- Vector Databases
Location
- USA
Work Type
- Flexible hours
Experience Level
- Senior
Education Level
- Master’s degree or above in a quantitative or technical field
Salary/Compensations
- $99,700 - $209,700 (varies by location)
- Eligible for an annual incentive bonus
Benefits
- Comprehensive medical, dental, and vision benefits
- 401(k) with match
- Employee Share Purchase Plan
- Wellness platform with incentives
- Headspace app subscription
- Employee Assistance Program
- Short-and-Long Term Disability
- Life and Accidental Death Insurance
- Critical Illness and Hospital Indemnity
- Family benefits including bonding and family care leaves, adoption, and surrogacy
- Health Savings, Health Care, Dependent Care and Commuter Spending Accounts
- Paid leave for Employee Resource Groups and volunteering
- Shared parental leave
- Study assistance
- Sabbaticals
About the Company
- LexisNexis Legal & Professional is a global provider of information-based analytics and decision tools.
- Part of RELX, a global provider of information-based analytics and decision tools for professional and business customers.
- Leader in deploying AI and advanced technologies to transform the legal market.
- Serves customers in over 150 countries with 11,800 employees worldwide.
Equal Opportunity
- We are an equal opportunity employer: qualified applicants are considered for and treated during employment without regard to race, color, creed, religion, sex, national origin, citizenship status, disability status, protected veteran status, age, marital status, sexual orientation, gender identity, genetic information, or any other characteristic protected by law.