Data Scientist

Opus Recruitment Solutions Ltd; Greater London; Hybrid; GBP 70,000 - 100,000; Full time

Job summary

Opus Recruitment Solutions Ltd in London is seeking a Data Scientist to help build AI-powered search products that combine LLMs, RAG and semantic retrieval.

You will work on knowledge discovery, intelligent search and scientific insight generation, leveraging NLP, embeddings and production ML ops in a hybrid London setup.

Qualifications

• Hands-on experience with LLMs, retrieval systems and NLP.
• Experience applying AI to knowledge discovery and search.
• Familiarity with LangGraph, LangChain or similar frameworks.

Skills

LLMs & Gen AI

RAG & Retrieval Systems

Semantic Search & IR

NLP & Embeddings

Agentic AI Workflows

MLOps & Production AI

Job description

Are you building LLM, RAG or AI-powered search solutions and looking for your next challenge?

London (Hybrid)

I'm working with a global organisation seeking a Data Scientist to help develop next-generation AI products focused on knowledge discovery, intelligent search, and scientific insight generation.

With a long-standing heritage supporting the Life Science Industry, this organisation is now at the forefront of applying AI-native technologies to transform how professionals discover, evaluate and interact with complex information.

We're looking for someone with hands-on experience across:

• LLMs & Generative AI
• RAG & Retrieval Systems
• Semantic Search & Information Retrieval
• NLP & Embeddings
• Agentic AI Workflows (LangGraph, LangChain etc.)
• Production AI & MLOps

This is an opportunity to work on cutting-edge AI products that combine large-scale data, search and generative AI to solve complex real-world problems.

This role is based in London and offers hybrid working.