Ontologist, Product Knowledge

Amazon
Seattle, WA, USA2026-07-16ONSITE

About the job

As an Ontologist, you work on a global team of knowledge builders to deliver world-class, intuitive, and comprehensive taxonomy and ontology models to optimize product discovery for Amazon web and mobile experiences. You collaborate with business partners, data science and engineering teams to deliver knowledge-based solutions to enable product discoverability for customers. In this role, you will directly impact the customer experience as well as the company’s product knowledge foundation.

Responsibilities

* Develop logical, semantically rich, and extensible data models for Amazon's expansive product catalog

* Ensure our ontologies provide comprehensive sub-domain coverage that are available for machine ingestion and inference

* Research worldwide understanding of Amazon products to develop scalable data models that solve customer problems and enhance product discoverability

* Create new schema using Generative Artificial Intelligence (generative AI) models

* Expand existing data retrieval techniques by utilizing our extensive product catalog and query languages

* Analyze website metrics and product discovery behaviors to make data-driven decisions on optimizing our knowledge graph data models globally

* Contribute to the development of new tool features and processes for the Ontology team

* Drive alignment to ontology modeling and technology best practices and principles within our organization and across Amazon

* Coordinate cross-functional projects with a broad range of technical and non-technical teams

Qualifications

Minimum

- Experience building ontologies, taxonomies, and semantic relation frameworks

- Degree in Library Science, Information Systems, Linguistics or equivalent professional experience

- 3+ years of relevant work experience working in ontology and/or taxonomy roles

- Proven skills in data retrieval and data research techniques

- Ability to quickly understand complex processes and communicate them in simple language

- Ability to communicate knowledge-based requirements and needs to engineering and retail teams

- Familiarity with Semantic Web technologies (RDF/s, OWL), query languages (SPARQL) and validation/reasoning standards (SHACL, SPIN)

- Knowledge of open-source and commercial ontology engineering editors (e.g. Protégé, TopQuadrant products, PoolParty)

- Detail-oriented problem-solving, ability to work in fast-changing environment and manage ambiguity

- Proven track record of strong communication and interpersonal skills

Preferred

- Master’s degree in Library Science, Information Systems, Linguistics or other relevant fields

- Experience building ontologies in the e-commerce and semantic search spaces

- Experience working with schema-level constructs (e.g. higher-order classes, punning, property inheritance)

- Familiarity with software engineering life cycle

- Familiarity with ontology manipulation programming libraries

- Exposure to data science and/or machine learning, including graph embeddings