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 aSenior Data Scientist II, you will design and improveGenerative AI, Retrieval‑Augmented Generation (RAG),andagentic 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 optimizeGenerative AI, RAG, andagentic 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 improvingGenerative AI and LLM‑based solutions in production or near‑production settings
Strong experience withRAG 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 withOpenSearch, Solr, or similar search platforms
Experience withembeddings, 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 to access benefits specific to your location.

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