Ontology & Knowledge Graph Engineer (Remote)

Visilayer; United States; Remote; USD 120,000 - 180,000; Full time

Job summary

Visilayer is seeking a Knowledge Architect to design taxonomies, ontologies, and model-driven knowledge for AI-driven discovery. You will translate messy client data into clean, machine-readable knowledge and map it to schema.org formats. Collaborate with engineering to ship robust knowledge graphs across multi-location deployments.

The role requires strong background in knowledge representation, data modeling, and experience with JSON-LD or RDF, and remote US-based work is supported.

Qualifications

• Background in knowledge representation, ontologies, taxonomies, or data modeling.
• Ability to translate messy real-world information into clean, consistent models.
• Comfort with structured data formats such as JSON, JSON-LD, RDF.

Responsibilities

• Design and maintain taxonomies and ontologies across client industries.
• Model messy client facts into machine-readable knowledge.
• Define mappings to schema.org and AI-consumable formats.
• Tag and quality-check client content against taxonomy.
• Build and refine predicate and relationship library.
• Collaborate with engineering to turn models into product.

Skills

Knowledge representation

Ontologies

Taxonomies

Linguistics/Data modeling

Structured data formats (JSON, JSON-LD

Schema.org familiarity

Knowledge graphs / Neo4j

Ambiguity to detail

Tools

Neo4j

Semantic Web tools

JSON-LD

Job description

Visilayer is seeking a Knowledge Architect to design taxonomies, ontologies, and model-driven knowledge for AI-driven discovery. You will translate messy client data into clean, machine-readable knowledge and map it to schema.org formats. Collaborate with engineering to ship robust knowledge graphs across multi-location deployments.

The role requires strong background in knowledge representation, data modeling, and experience with JSON-LD or RDF, and remote US-based work is supported.