Ontology Software Developer

Vantor seeks an Ontology Software Developer to join our team in Herndon, Virginia.

About the role

Design and implement knowledge graphs and data models that power modern web and cloud solutions. Collaborate with cross-functional teams to translate complex business domains into semantic models, integrate data from multiple systems, and build APIs and services that expose structured knowledge to applications and analytics.

Responsibilities

• Develop and maintain ontology-based knowledge graphs and semantic data models
• Translate complex business domains into structured, machine-readable ontologies
• Integrate data from multiple systems into unified knowledge graphs
• Build APIs and services to expose structured knowledge to applications and analytics
• Contribute across the full stack, from modeling and transformation pipelines to scalable cloud deployment
• Implement automation, testing, and performance optimization in a collaborative environment
• Follow agile practices to deliver high-quality solutions