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Elsevier
Data Scientist - LeapSpaceElsevier • Charing Cross, Greater London, United Kingdom
Data Scientist - LeapSpace

Data Scientist - LeapSpace

Elsevier • Charing Cross, Greater London, United Kingdom
4 days ago
Job type
  • Full-time
Job description

Job Description

About the team



Scroll down to find the complete details of the job offer, including experience required and associated duties and tasks.

Elsevier’s mission is to help researchers, clinicians, and life sciences professionals advance discovery and improve health outcomes through trusted content, data, and analytics.



This role sits within Elsevier’s Platform Data Science organization, a centralized AI and data science group responsible for advancing intelligent discovery, retrieval, and generative AI capabilities across Elsevier products and platforms. The organization develops foundational AI technologies that power experiences such as LeapSpace, Elsevier’s AI-powered research assistant, as well as Elsevier’s broader Search & AI Platform.



The Platform Data Science organization works at the intersection of:



  • Search and retrieval systems


Generative AI and LLM applications


AI evaluation and experimentation


Semantic enrichment and knowledge systems


Scalable AI platforms and intelligent workflows




About the role


We are looking for a Data Scientist III to help design, build, and evaluate advanced AI capabilities supporting LeapSpace and Elsevier’s Search & AI Platform initiatives. This role focuses on applied AI development, retrieval systems, and AI evaluation, helping bring cutting-edge AI technologies into production experiences used by researchers worldwide.



You will work closely with senior data scientists, engineers, product managers, and domain experts across retrieval systems, generative AI, reasoning workflows, evaluation frameworks, and experimentation, contributing to the next generation of AI-powered scientific discovery tools.



This role is ideal for someone with hands-on experience in applied AI, NLP, information retrieval, and LLM-based applications, who enjoys building innovative solutions and translating emerging AI techniques into impactful product capabilities.



Key responsibilities


Applied AI & Research




  • Develop and improve LLM-powered research workflows, including:Scientific question answeringLiterature summarizationSemantic exploration and discoveryResearch insight generationCitation-aware retrieval and reasoning workflows


Build and iterate on agentic and multi-step AI workflows using frameworks such as LangGraph and related orchestration tools.


Apply modern techniques in:NLPGenerative AIEmbeddings and semantic representationsRetrieval-augmented generation (RAG)AI reasoning and workflow orchestration


Evaluate emerging AI models, tools, and frameworks and contribute recommendations for experimentation and adoption.


Contribute to prompt engineering, grounding strategies, context management, and hallucination mitigation efforts.


Support integration of scientific metadata, ontologies, and knowledge assets into AI-powered workflows.




Search, Retrieval & RAG Systems



  • Design, develop, and optimize search and retrieval pipelines, including lexical, vector, and hybrid retrieval approaches.


Contribute to the development and enhancement of RAG systems that integrate LLMs with trusted scientific and biomedical content.


Experiment with embeddings, re-ranking models, chunking strategies, and retrieval orchestration techniques to improve relevance and answer quality.


Support development of semantic search, ranking, and knowledge discovery capabilities.


Collaborate with engineering teams to deploy and scale AI-powered solutions.




AI Evaluation & Experimentation



  • Develop and apply evaluation frameworks for search and AI systems, including:IR metrics (e.g., NDCG, recall, precision)LLM and RAG evaluation metrics (e.g., grounding, faithfulness, hallucination detection)


Build and maintain evaluation datasets, benchmark suites, and annotation workflows.


Conduct offline experiments and contribute to online experimentation and A/B testing.


Analyze experimental results and communicate findings to stakeholders.


Contribute to responsible AI practices focused on quality, reliability, and trust.




Cross-functional Collaboration



  • Partner with product managers, engineers, UX researchers, and domain experts to deliver AI-powered capabilities.


Communicate technical findings and recommendations clearly to both technical and non-technical audiences.


Contribute to knowledge sharing and adoption of best practices across the Platform Data Science organization.


Support delivery of projects from research and experimentation through production deployment.




Required qualifications



  • Batchelor's, Master’s or PhD in Computer Science, Data Science, Machine Learning, NLP, Information Retrieval, or a related field


Experience in data science, machine learning, applied NLP, information retrieval, generative AI, or a related field


Hands-on experience with:LLM-based applications and generative AI systemsRAG pipelines and retrieval systemsSearch and retrieval architectures (lexical, vector, hybrid)Evaluation methodologies for IR and generative AI systems


Strong programming skills in Python


Experience with modern AI/ML frameworks and tooling (e.g., PyTorch, Hugging Face, LangChain, LangGraph, Haystack)


Experience working with Databricks or similar distributed data and machine learning platforms


Understanding of experimentation methodologies, evaluation frameworks, and statistical analysis


Proficiency with data visualization and analytical tooling (e.g., Tableau, Power BI, matplotlib, seaborn)


Demonstrated ability to independently execute technical projects and contribute to cross-functional initiatives




Preferred qualifications



  • Experience building AI assistants, agentic workflows, or conversational AI applications


Experience working on search, ranking, recommendation, or retrieval systems


Familiarity with scientific, biomedical, or scholarly datasets


Experience with knowledge graphs, ontologies, or semantic enrichment systems


Exposure to production ML systems and MLOps practices


Academic or industry research experience in NLP, information retrieval, search, or generative AI


Experience working in content-rich, knowledge-intensive, or highly regulated domains




Working for you


We know that your well-being and happiness are key to a long and successful career. These are some of the benefits we are delighted to offer:



  • Comprehensive Pension Plan


Home, office, or commuting allowance.


Generous vacation entitlement and option for sabbatical leave


Maternity, Paternity, Adoption and Family Care leave


Flexible working hours


Personal Choice budget


Internal communities and networks


Various employee discounts


Recruitment introduction reward


Employee Assistance Program (global)




About the business


As a global leader in information and analytics, we help researchers and healthcare professionals advance science and improve health outcomes for the benefit of society. Building on our publishing heritage, we combine quality information and vast data sets with analytics to support visionary science and research, health education, and interactive learning, as well as exceptional healthcare and clinical practice. At Elsevier, your work contributes to the world’s grand challenges and a more sustainable future. xwwtmva We harness innovative technologies to support science and healthcare to partner for a better world.


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Data Scientist - LeapSpace • Charing Cross, Greater London, United Kingdom

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