Ontology Product Owner - Enterprise Semantics & AI

Themesoft Inc; Los Angeles (CA); On-site; USD 103,000 - 158,000; Part time

Job summary

Themesoft Inc in Los Angeles, CA seeks a Product Owner – Ontology to lead the enterprise semantic layer across mortgage origination, servicing, data, and AI platforms. You will translate business concepts into governed, reusable domain models and drive adoption across applications and AI workflows.

Responsibilities include owning the ontology product vision and backlog, defining domain models, governance, and collaboration with SMEs, data engineering, risk and compliance to map source systems

Qualifications

• Bachelor’s degree or equivalent experience required.
• 5+ years PM/BA/data product ownership experience.
• Experience delivering semantic or domain-modeling solutions.
• Knowledge of ontology and knowledge-representation concepts.

Responsibilities

• Own ontology product vision, roadmap, backlog, release plan, and adoption strategy.
• Define enterprise domain models, relationships, taxonomies, controlled vocabularies, constraints, and semantic standards.
• Establish ontology governance, stewardship, versioning, change control, impact assessment, lineage, and quality metrics.
• Partner with business SMEs, data engineering, architecture, risk, and compliance to map source systems and validate semantic models.
• Translate business needs into epics, user stories, acceptance criteria, and production validation tests.
• Enable governed semantic grounding for knowledge graphs, analytics, LLMs, and AI agents with appropriate permissions and auditability.

Skills

Product ownership

Stakeholder facilitation

Communication skills

Mortgage domain knowledge

Education

Bachelor’s degree in Computer Science or related field

Tools

RDF

OWL

SPARQL

Neo4j/Cypher

SKOS

SHACL

SQL

Data mapping

Job description

Themesoft Inc in Los Angeles, CA seeks a Product Owner – Ontology to lead the enterprise semantic layer across mortgage origination, servicing, data, and AI platforms. You will translate business concepts into governed, reusable domain models and drive adoption across applications and AI workflows.

Responsibilities include owning the ontology product vision and backlog, defining domain models, governance, and collaboration with SMEs, data engineering, risk and compliance to map source systems