Senior Semantic Data Scientist & Knowledge Graph Engineer
Summary
Senior data scientist / semantic data engineer at Altia in Bilbao, designing ontologies, SPARQL queries and RDF/Linked Data transformations that turn heterogeneous sources into interoperable, semantically enriched data, supporting European institutions alongside international teams.
Altia is seeking a Senior Data Scientist / Semantic Data Engineer with expertise in semantic data, ontologies, and knowledge graphs. You will design and implement data solutions that transform heterogeneous sources into interoperable, semantically enriched data.
You will build ontologies, align models, develop SPARQL queries, and implement Linked Data transformations using RDF standards. You will collaborate with international teams supporting European institutions to deliver scalable semantic