Lead Knowledge Graph Engineer / Ontology Engineer - Contract

Duration: 6 months (extendable)

Rate: £600 per day

IR35: Outside

Location: Remote with occasional travel to site

The Role

A leading Regulatory Tech company is seeking a Contract Lead Knowledge Graph Engineer / Ontology Engineer, to support a range of initiatives throughout 2026.

In this role, you will have the opportunity to:

• Harness W3C semantic standards and tooling - RDF/RDFS, SPARQL, OWL, SHACL-together with graph databases, ontology-design tools, and visualization platforms such as Linkurious.


• Apply modern NLP/NLU techniques, from topic modelling to cutting?edge entity and relation extraction, plus concise text summarisation.

Experience Requirements

Core semantic / graph tech

• W3C standards and tooling: RDF, RDFS, SKOS, OWL, SHACL, SPARQL for ...