Knowledge Graph & Semantics Consultant

About the Position

Turn complex data into connected knowledge that drives smarter decisions.

Location: London (Hybrid) | Practice Area: Data & Analytics | Type: Permanent

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Responsibilities

• Design and implement knowledge graph, semantic modelling and advanced data solutions that connect structured and unstructured information.
• Help clients identify and deliver practical use cases for graph and semantic technologies, advanced analytics and AI.
• Use approved AI tools and AI-enabled workflows where appropriate to accelerate research, modelling, analysis and delivery, with human-in-the-loop review and validation.
• Build Capco’s graph and semantic capabilities through thought leadership, talent development and contribution to practice growth.
• Develop relationships across the evolving graph technology ecosystem and assess emerging technologies, including responsible approaches to AI, automation, guardrails, auditability and escalation.

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Requirements

• Strong understanding of knowledge representation and semantic technologies, including OWL, RDF, SWRL, SPARQL, JSON-LD, Turtle and N-Quads.
• Experience with semantic modelling and graph/triple-store technologies such as PoolParty, Stardog, TigerGraph, Ontotext GraphDB, Grakn, MarkLogic, Metaphactory or Neo4j.
• Ability to combine business and technical understanding to explain, design and create effective knowledge graph models and solutions.
• Understanding of graph use cases and user-interface considerations, including the challenges associated with visualising complex graph data.
• Strong communication skills, with the ability to explain graph, semantic and AI-enabled approaches clearly, while applying sound human judgement and responsible technology practices.

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Nice to Have

• Knowledge of financial services and its data, regulatory and transformation challenges is seen as beneficial - we do however welcome experience from other industries.
• Experience using NLP, machine learning and semantic text mining to support advanced analytics, classification, inference and knowledge extraction, including appropriate use of AI-enabled techniques.
• Familiarity with mapping approaches such as R2RML, ETL techniques, data management and governance methodologies.
• Programming experience with languages such as Python, Java or JavaScript, alongside Agile delivery frameworks such as Scrum, Kanban or Extreme Programming.
• Practical experience applying semantic technologies in industry, academia, Library Science or Information/Knowledge Management, with curiosity about responsible Generative AI and Agentic AI applications where relevant.

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We Offer

• Deliver high-impact technology and data solutions for Tier 1 financial institutions.
• Work in a collaborative, flat, and entrepreneurial consulting culture.
• Access continuous learning, training, and industry certifications.
• Be part of a team shaping the future of digital financial services.
• Help shape the future of digital transformation across financial services and energy.

Benefits:

• Core Benefits: Discretionary bonus, competitive pension, health insurance, life insurance and critical illness cover.
• Mental Health: Easy access to CareFirst, Unmind, Aviva consultations, and in-house first aiders.
• Family-Friendly: Maternity, adoption, shared parental leave, plus paid leave for sickness, pregnancy loss, fertility treatment, menopause, and bereavement.
• Family Care: 8 complimentary backup care sessions for emergency childcare or elder care.
• Holiday Flexibility: 5 weeks of annual leave with the option to buy or sell holiday days based on your needs.
• Continuous Learning: Your growth, your way – minimum 40 hours of training annually. Choose from workshops, certifications and e-learning. You’ll also have a Business Coach assigned from Day One, providing one-to-one guidance to support your goals and accelerate your development.
• Healthcare Access: Convenient online GP services.
• Extra Perks: Gympass (Wellhub), travel insurance, Tastecard, season ticket loans, Cycle to Work, and dental insurance.

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About the Company

We’re committed to making our recruitment process accessible and straightforward for everyone. If you need any adjustments at any stage, just let us know – we’ll be happy to help. We value each person’s unique perspective and contribution. At Capco, we believe that being yourself is your greatest strength. Our #BeYourselfAtWork culture encourages individuality and collaboration – a mindset that shapes how we work with clients and each other every day.

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