Senior Data Scientist II - Generative AI / RAG / Agentic AI

RELX INC • Trenton, NJ • 2h ago

Are you excited to shape the next generation of AI-powered drafting and search experiences at scale?

Do you want to work on advanced Generative AI systems that turn complex information into clear, trusted insights?

About our Team You will join a multidisciplinary team of data scientists, engineers, and product partners focused on building intelligent, reliable, and responsible AI solutions for legal and business professionals. We work collaboratively, value thoughtful experimentation, and prioritize high-quality, production-ready outcomes.

About the Role As a Senior Data Scientist II, you will design and improve Generative AI, Retrieval-Augmented Generation (RAG), and agentic RAG systems that power drafting, search, and reasoning use cases. You will focus on retrieval quality, evaluation, and production-grade machine learning components, working closely with cross-functional partners to deliver measurable improvements in relevance, accuracy, and user trust.

Responsibilities

Design, build, and optimize Generative AI, RAG, and agentic RAG systems for drafting, search, and reasoning use cases

Improve LLM-generated outputs through prompt design, retrieval optimization, evaluation, and experimentation

Develop and maintain scalable data science and machine learning components for production environments

Build and enhance retrieval pipelines, including query processing, document retrieval, ranking, reranking, and grounding strategies

Apply text search and relevance tuning techniques using platforms such as OpenSearch and Solr

Use embeddings, hybrid retrieval, semantic search, and reranking methods to improve answer quality and system performance

Write high-quality, maintainable, production-ready Python code following strong software engineering practices

Collaborate closely with partners across data science, engineering, product, and domain teams

Requirements

Proven experience building and improving Generative AI and LLM-based solutions in production or near-production settings

Strong experience with RAG frameworks, retrieval-based AI architectures, and agentic workflows

Advanced Python skills, including modular design, testing, debugging, and clean coding practices

Strong understanding of information retrieval, text search methods, and retrieval architectures

Hands-on experience with OpenSearch, Solr, or similar search platforms

Experience with embeddings, semantic retrieval, reranking, and relevance optimization

Proven ability to work effectively in a monorepo environment with disciplined version control and code review practices

Experience collaborating in cross-functional teams and contributing to CI/CD and deployment workflows

Work in a Way That Works for You We promote flexible ways of working that support collaboration, focus, and personal wellbeing, while meeting the needs of our teams and customers.

Working Pattern This role supports flexible working arrangements, balancing individual productivity with team collaboration.

About the Business You will be part of the LNLP division, within the Standard business unit, delivering trusted information and technology solutions that help professionals make confident decisions.

AIFluent

U.S. National Base Pay Range: $104,900 - $174,700. Geographic differentials may apply in some locations to better reflect local market rates.

If performed in Maryland, the base pay range is $110,100 - $183,500.If performed in New York, the base pay range is $115,400 - $192,200.If performed in New York City, the base pay range is $125,900 - $209,700.If performed in Rochester, NY, the base pay range is $104,900 - $174,700.If performed in New Jersey, the base pay range is $123,816 - $197,784.

This job is eligible for an annual incentive bonus.

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 (https://www.relx.com/careers/join-us/benefits) to access benefits specific to your location.

We are committed to providing a fair and accessible hiring process. If you have a disability or other need that requires accommodation or adjustment, please let us know by completing our Applicant Request Support Form or please contact 1-855-833-5120.

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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.

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RELX is a global provider of information-based analytics and decision tools for professional and business customers, enabling them to make better decisions, get better results and be more productive.

Our purpose is to benefit society by developing products that help researchers advance scientific knowledge; doctors and nurses improve the lives of patients; lawyers promote the rule of law and achieve justice and fair results for their clients; businesses and governments prevent fraud; consumers access financial services and get fair prices on insurance; and customers learn about markets and complete transactions.

Our purpose guides our actions beyond the products that we develop. It defines us as a company. Every day across RELX our employees are inspired to undertake initiatives that make unique contributions to society and the communities in which we operate.

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