Onsite _Product Owner - Ontology _Los Angeles, CA

THEMESOFT; 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

Job Id : OOJ - 27878

Posted Date : 10/29/2026

Experience : -

Job Type : Contractual

Overview

Role Title: Product Owner - Ontology
Location: Los Angeles, CA
WorkArrangement:Onsite
EmploymentType:Contract
ContractDuration:6-12 Months
seeking a Product Owner – Ontology to lead the enterprise semantic layer across mortgage origination, servicing, data, and AI platforms. The role will translate business concepts into governed, reusable domain models and drive their adoption across applications, analytics, and agentic AI workflows.

Key Responsibilities

• Own the ontology product vision, roadmap, backlog, release plan, and adoption strategy.
• Define enterprise domain models, entity 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, competency questions, acceptance criteria, and production validation tests.
• Enable governed semantic grounding for knowledge graphs, analytics, LLMs, and AI agents with appropriate permissions and auditability.

Experience and Technical Skills

• Bachelor’s degree in Computer Science, Information Systems, or a related field, or equivalent experience.
• 5+ years in product management, business analysis, or data product ownership, including experience delivering semantic or domain-modeling solutions.
• Strong knowledge of ontology and knowledge-representation concepts, including class hierarchies, relationships, cardinality, inheritance, constraints, and controlled vocabularies.
• Experience with RDF, OWL, SKOS, SHACL, SPARQL, Neo4j/Cypher, or comparable semantic and knowledge-graph technologies.
• Working knowledge of SQL, source-data profiling, data mapping, and model validation.
• Strong stakeholder facilitation and communication skills; mortgage domain and MISMO knowledge are preferred.

Essential Skills

• The Ontology Product Owner owns the enterprise semantic layer that represents Client business.
• This role defines how core entities are modeled once and reused across origination| servicing| and enterprise AI workflows.
• The role connects business domain experts| data engineering| architecture| risk and compliance| and the teams building applications and AI agents on top of the ontology.
• As a Product Owner| you will manage complex initiatives that span multiple integrated business systems and departments.
• You will create operational efficiencies by designing new business processes| act as a domain expert in end-to-end business functions| and drive technology solutions and workflow optimization across the division.

Work Authorization

Applicants must be legally authorized to work in the United States.

Equal Employment Opportunity

Themesoft Inc is an Equal Employment Opportunity employer. We consider qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other status protected by applicable federal, state, or local law.

Skills

NEO4J,AI,SQL,ONTOLOGY,ENTITY RELATIONSHIPS,RDF,SPARQL