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Informa Group

Organizes B2B events, digital platforms, publishing

AI/ML Research Engineer - NLP & Knowledge Graphs

AI ResearchPosted on Nov 12
Full-timeNo salary listed

About the Job

Requirements

  • The candidate should have 2–4 years of experience applying natural language processing and machine learning in industry or research, or a Master of Science degree with relevant research or internship experience.
  • The candidate must have strong Python skills, including experience with pandas, NumPy, and scikit-learn, and must write readable, tested code.
  • The candidate should have hands-on experience with natural language processing libraries and frameworks such as spaCy, Hugging Face Transformers, and PyTorch.
  • The candidate should have practical knowledge of knowledge graphs and semantic technologies, including property graphs and/or RDF, OWL, and SKOS, with query experience in Cypher and/or SPARQL.
  • The candidate should understand information retrieval and semantic search, including embeddings, vector search, hybrid retrieval, and retrieval-augmented generation.
  • The candidate should have experience designing evaluations, including test sets, annotation, metrics, error analysis, and statistical sanity-checking of results.
  • The candidate should have working familiarity with large language model APIs and structured-output prompting for information extraction.
  • The candidate should have experience with Git, Linux, SQL, and reproducible experiment environments, including notebooks, virtual environments, and containers.
  • The candidate must be able to read research papers and reproduce their results from the paper or an open-source repository.
  • The candidate must have the right to work and live in India.

Responsibilities

  • Work as part of a small, research-led team on strategic AI projects, producing a working prototype, supporting evidence, and a business case for each project.
  • Research, prototype, and evaluate natural language processing approaches for extracting entities, relations, and topics from scholarly articles, books, and metadata.
  • Help design, populate, and evolve knowledge graphs, ontologies, and taxonomies representing Taylor & Francis content and the surrounding research landscape.
  • Build and benchmark semantic and hybrid retrieval approaches, including embedding models and graph-enhanced retrieval-augmented generation.
  • Scout, trial, and document new open-source libraries, models, and tools for knowledge extraction and search as part of the team’s technology radar.
  • Build test sets, metrics, and evaluation harnesses to support evidence-based claims about models and tools.
  • Support handover of prototypes to Engineering teams through clear documentation and written definitions of completion.
  • Present results to technical and non-technical audiences, and contribute to papers, articles, and conference submissions.
  • Develop natural language processing pipelines for named-entity recognition, relation extraction, entity linking and disambiguation, topic modelling, and classification over scholarly text using transformer models and large language models.
  • Build, populate, and query knowledge graphs in a graph database or triple store, such as Neo4j or RDF/SPARQL stores, and evaluate their quality and coverage.
  • Support the design and expansion of ontologies, taxonomies, and controlled vocabularies in collaboration with Editorial and subject-matter experts.
  • Detect and track emerging topics and research areas using clustering, topic modelling, and embedding-based techniques.
  • Evaluate embedding models, chunking strategies, rerankers, and retrieval configurations for semantic search and retrieval-augmented generation on scholarly content.
  • Create gold-standard datasets and annotation guidelines, and define metrics such as precision, recall, F1, and nDCG for reproducible evaluation.
  • Design and run well-controlled experiments, tracking them with tools such as MLflow or Weights & Biases to make results reproducible.
  • Rapidly prototype with large language model APIs and open-source models for knowledge extraction and enrichment.
  • Write clean, tested, and documented Python code that other engineers can extend.
  • Prepare handover documentation and support Engineering teams during the build phase of prototypes that move toward production.
  • Collaborate with Engineering, Product, Editorial, and other business teams to turn open-ended problems into well-posed research questions.
  • Assist with vendor, model, and tool comparisons, including preparing benchmark results for internal and external audiences.
  • Keep up with relevant research literature and venues, including ACL, EMNLP, SIGIR, ISWC, and ESWC, and share relevant findings with the team.

Desired Qualifications

  • Experience with a cloud platform, preferably AWS.
  • Experience with scholarly or scientific text and metadata, such as Crossref, OpenAlex, ORCID, ROR, or PubMed.
  • Exposure to ontology and taxonomy tooling, such as Protégé, PoolParty, or SKOS editors.
  • Exposure to large language model fine-tuning, such as LoRA or PEFT, or agentic frameworks such as LangGraph.
  • Prior publication, conference presentation, or open-source contribution.
  • Familiarity with Agile methodologies and project management tools such as Jira.
  • A Neo4j Certified Professional credential or equivalent graph database certification.
  • DeepLearning.AI or Hugging Face natural language processing or large language model specialization certificates.
  • A cloud machine learning or artificial intelligence certification, such as AWS Machine Learning or Microsoft Azure AI Engineer.
  • A master's degree or a PhD in progress or completed.

About the Company

Informa Group

Organizes B2B events, digital platforms, publishing

Informa operates internationally in events, digital services, and academic research for B2B audiences. It runs large-scale industry events, provides digital content and networking platforms, and publishes academic research, earning revenue from event tickets, subscriptions, and publication fees. Its differentiators include a global footprint (FTSE 100-listed, 30 countries, 12,000 employees) and a diversified revenue mix across events, digital services, and scholarly publishing. Its goal is to connect professionals, businesses, and researchers by delivering events and digital platforms that enable knowledge exchange and business opportunities worldwide.

Company size
1,001-5,000
Company stage
IPO
Headquarters
Colchester, United Kingdom
Founded
1998

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