Data Scientist III - LeapSpace in London at Elsevier
Elsevier

Data Scientist III - LeapSpace

Elsevier London, ENG, GB
Full-time Posted about 1 month ago

Role overview

  • check_circle Develop and improve LLM-powered research workflows , including:Scientific question answeringLiterature summarizationSemantic exploration and discoveryResearch insight generationCitation-aware retrieval and reasoning workflows
  • check_circle Build and iterate on agentic and multi-step AI workflows using frameworks such as LangGraph and related orchestration tools.
  • check_circle Apply modern techniques in:NLPGenerative AIEmbeddings and semantic representationsRetrieval-augmented generation (RAG)AI reasoning and workflow orchestration
  • check_circle Evaluate emerging AI models, tools, and frameworks and contribute recommendations for experimentation and adoption.
  • check_circle Contribute to prompt engineering, grounding strategies, context management, and hallucination mitigation efforts.
  • check_circle Support integration of scientific metadata, ontologies, and knowledge assets into AI-powered workflows.
  • check_circle Design, develop, and optimize search and retrieval pipelines , including lexical, vector, and hybrid retrieval approaches.
  • check_circle Contribute to the development and enhancement of RAG systems that integrate LLMs with trusted scientific and biomedical content.
  • check_circle Experiment with embeddings, re-ranking models, chunking strategies, and retrieval orchestration techniques to improve relevance and answer quality.
  • check_circle Support development of semantic search, ranking, and knowledge discovery capabilities.
  • check_circle Collaborate with engineering teams to deploy and scale AI-powered solutions.
  • check_circle 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)
  • check_circle Build and maintain evaluation datasets, benchmark suites, and annotation workflows.
  • check_circle Conduct offline experiments and contribute to online experimentation and A/B testing.
  • check_circle Analyze experimental results and communicate findings to stakeholders.
  • check_circle Contribute to responsible AI practices focused on quality, reliability, and trust.
  • check_circle Partner with product managers, engineers, UX researchers, and domain experts to deliver AI-powered capabilities.
  • check_circle Communicate technical findings and recommendations clearly to both technical and non-technical audiences.
  • check_circle Contribute to knowledge sharing and adoption of best practices across the Platform Data Science organization.
  • check_circle Support delivery of projects from research and experimentation through production deployment.

Basic qualifications

  • 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
  • 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 company

  • check_circle Search and retrieval systems
  • check_circle Generative AI and LLM applications
  • check_circle AI evaluation and experimentation
  • check_circle Semantic enrichment and knowledge systems
  • check_circle Scalable AI platforms and intelligent workflows

Tags & Focus Areas

Fulltime Ai Data Science Generative Ai

About Elsevier