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 modelling, validation and querying.
* Graph databases and platforms: GraphDB, Stardog, Amazon Neptune, Neo4j, TigerGraph, ArangoDB or similar RDF/LPG stores.
* Ontology and knowledge graph frameworks, reasoning tools, and production deployment experience.
Data pipelines and entity work
1. ETL/streaming or CDC pipelines fee...