Knowledge Graph Engineer

What You'll Do

• Design, build, and maintain knowledge graphs using RDF, SPARQL, and Turtle.
• Develop ETL pipelines to transform data from CSV, JSON, APIs, and databases into RDF triples.
• Work with Python / Java and RDFLib to load, traverse, enrich, and transform RDF graphs.
• Use enterprise triplestores such as GraphDB or Stardog.
• Apply OWL reasoning and implement SHACL validation.
• Build and expose REST / GraphQL APIs for knowledge graph access.
• Troubleshoot issues such as missing triples, incorrect namespaces, node resolution problems, and incomplete imports.

What We're Looking For

• Strong knowledge of RDF, SPARQL, and Turtle.
• Hands-on experience with Python and RDFLib.
• Experience in ETL and data pipeline engineering.
• Familiarity with GraphDB, Stardog, or similar graph databases.
• Understanding of OWL reasoning and SHACL.
• Strong debugging and problem-solving skills.
• Experience integrating knowledge graphs with APIs and search services.

Nice to Have

• Experience with ontology design and semantic web technologies.
• Exposure to Metaphactory or similar platforms.
• Knowledge of enterprise data integration and graph-based solutions.