Ontology Architect

Location: Poland; work arrangement: Remote or office-based

Company

hirify.global provides engineering and technology services across data, analytics, and software development.

What you will do

• Design, develop, and maintain domain, mapping, and integration ontologies.
• Translate business and domain knowledge into structured, machine-readable semantic models.
• Define classes, properties, relationships, taxonomies, identifiers, mappings, transformation rules, and validation logic.
• Map heterogeneous enterprise data and application-specific concepts into reusable business objects.
• Support semantic interoperability and integration with knowledge graphs, APIs, AI/LLM solutions, and analytical platforms.
• Collaborate with engineers and contribute to ontology governance, testing, traceability, and maintainability.

Requirements

• Strong practical experience with ontology engineering and semantic modeling.
• Strong understanding of RDF and knowledge graph concepts.
• Hands-on experience with SPARQL and semantic query languages.
• Experience designing domain ontologies, mapping ontologies, taxonomies, and semantic relationships.
• Experience mapping heterogeneous data models and defining validation and testing logic.
• Strong communication skills and ability to explain semantic models to technical and non-technical stakeholders.

Culture & Benefits

• Remote or office-based work arrangement in Poland.
• Collaboration across multiple engineering, business, and domain teams.
• Equal opportunity employment.