Senior Data Scientist - AI, NLP and Generative AI

Robert Walters is partnering with a leading global information and analytics organisation to recruit a Senior Data Scientist into a highly established product and technology team. This is an opportunity to work on advanced AI, NLP and Generative AI solutions supporting knowledge discovery, search and decision-making across complex scientific and healthcare-related datasets. The Role As a Senior Data Scientist, you will design, build and deliver advanced machine learning and Generative AI capabilities, with a particular focus on LLMs, Retrieval-Augmented Generation (RAG), information retrieval and NLP. You will work closely with data scientists, engineers and product teams to develop reliable AI systems that can operate against large-scale, content-rich datasets. Key responsibilities will include: Designing, developing and evaluating advanced AI/ML, NLP and Generative AI solutions Building LLM-powered applications and RAG pipelines for search, summarisation, question answering and evidence-grounded insight generation Developing intelligent retrieval, ranking, recommendation and decision-support systems Applying semantic, vector and hybrid search techniques across large-scale datasets Integrating metadata, taxonomies, ontologies and structured knowledge into AI workflows Developing robust LLM and AI evaluation frameworks, experimentation methodologies and monitoring Improving the quality, reliability, trust and performance of production AI systems Writing high-quality, ..... full job details .....