Senior Data Scientist – NLP & LLM for IP Workflows

Relx Plc; London Borough of Islington; On-site; GBP 90,000 - 125,000; Full time

Benefits offered by this job

Health insurance

Flexible work options

Generous holiday allowance

Pension scheme

Life assurance

Employee discounts

Job summary

LexisNexs Intellectual Property Solutions (LNIP) is seeking a Data Scientist III to design and validate AI-driven capabilities within Protégé for PatentSight. You will define what to build, experiment with ML/NLP/LLMs, and translate results into scalable, customer-facing features.

You will partner with engineers to drive experimentation, model evaluation, and benchmarking, delivering insights that guide product decisions and IP workflows.

Qualifications

• Degree in a quantitative or technical field.
• Strong experience in ML, NLP, and LLM-based modeling.
• Experience designing and running experiments with model evaluation.
• Strong Python coding skills.
• Experience with generative AI techniques.
• Experience designing and evaluating hybrid search using embeddings.

Responsibilities

• Develop NLP, LLM, and generative AI approaches (e.g., RAG, prompts, patent search).
• Define agentic workflows and reasoning strategies for multi-step IP tasks.
• Develop retrieval strategies (semantic + lexical) and evaluation metrics.
• Analyse large IP datasets to extract insights and improve model performance.
• Establish best practices for model evaluation, validation, and benchmarking.
• Translate results into product recommendations with business impact.
• Collaborate with product, IP experts, and engineers to align solutions with user needs.

Skills

Machine learning

NLP

LLM-based modeling

Python

Experiment design

Prompt engineering

Hybrid search

Vector databases

Agent frameworks

Data analysis

Education

Bachelor's degree in a quantitative/technical field

Tools

LangChain

LangGraph

AutoGen

Google ADK

Embeddings

Vector databases

Job description

LexisNexs Intellectual Property Solutions (LNIP) is seeking a Data Scientist III to design and validate AI-driven capabilities within Protégé for PatentSight. You will define what to build, experiment with ML/NLP/LLMs, and translate results into scalable, customer-facing features.

You will partner with engineers to drive experimentation, model evaluation, and benchmarking, delivering insights that guide product decisions and IP workflows.