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Senior Ontologist - Knowledge Graph & Identity at Samba

Department: Engineering

Language

Compensation

PLN 250,000 – PLN 380,000/yr

Setup
Hybrid
Location
Warsaw, Masovian Voivodeship
Type
Full-time
Level
senior
Posted

Description

Samba is hiring a senior Knowledge Graph Engineer to design, develop, and govern production ontologies and knowledge-graph pipelines at scale. The role owns RDF/RDFS/OWL modeling, SHACL validation, event-to-ontology derivation, entity resolution, record linkage, enrichment, embedding-based mapping, and GraphRAG integration. It requires 5–8 years of relevant experience, strong semantic-web and Python expertise, and a bachelor's degree in a related field; the position also involves mentoring engineers and data scientists and leading technical workshops.

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