Semantic Partners

Ontologist

Full-time London or Remote (Europe/US)

The role

Semantic Partners is seeking an Ontologist for customer-facing projects focused on semantic web technology and knowledge graphs. You will consult on ontology development and implementation, assess client requirements, and serve as a primary contact representing the organisation.

Responsibilities

  • Provide consulting services on ontology development and implementation
  • Assess client requirements and stakeholder needs
  • Deploy solutions via commercial platforms and open-source tools
  • Serve as primary client contact representing the organisation

Required technical skills

  • Semantic web and linked data knowledge
  • Ontology building using OWL or SHACL
  • SKOS taxonomy creation
  • Reasoning technique application
  • Experience with Protégé, PoolParty, or TopBraid Composer

Advantageous skills

  • Software development lifecycle familiarity
  • Programming capabilities
  • Experience with Jena, RDF4J, or RDFLib libraries

What we look for

  • Strong communication abilities
  • Collaborative mindset
  • Conceptual thinking
  • Pride in the quality of work
  • Composure under demanding circumstances
  • Domain reasoning and logical thinking
  • Comfortable with remote collaboration and occasional on-site client visits

Interested?

Send us your CV and a short note about why you're a good fit for this role.

Apply Now