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Ontologist Jobs (NOW HIRING)

Amazon

Ontologist, Product Knowledge

Seattle, WA · On-site

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 ...

Polygon.io, Inc

We are looking for a Principal Financial Data Ontologist to design and govern the foundational taxonomy, symbology, and entity models that define how we represent global financial markets. This is a ...

Digetiers GmbH

As a Knowledge Engineer / Ontologist (m/f/d), you are responsible for mapping client concepts, relationships, and rules into our ontology, intelligently linking complex enterprise data, and making it ...

Programmers.io

Ontology Business Consultant

Tampa, FL · On-site

Ontologist, Ontology Engineer, Semantic Data Modeler, Knowledge Graph Engineer, Semantic Modeler Lead, Ontology Consultant. * Tech stack: RDF, OWL, SHACL, SPARQL, Stardog (or GraphDB, Blazegraph ...

Amazon

Ontologist, Product Knowledge

Seattle, WA · On-site

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 ...

Johns Hopkins Applied Physics Laboratory

Ontologist

Laurel, MD · On-site

$171K - $203K/yr

Description Are you passionate about building solutions for our greatest national security challenges? Are you searching for engaging work with an employer that prioritizes impact, innovation, and ...

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How much do ontologist jobs pay per hour?

As of Sep 11, 2026, the average hourly pay for ontologist in the United States is $77.89, according to ZipRecruiter salary data. Most workers in this role earn between $77.88 and $77.88 per hour, depending on experience, location, and employer.

What does an ontologist do?

An Ontologist designs and manages structured frameworks for organizing information, such as taxonomies, ontologies, and metadata schemas. They work to ensure data is meaningfully categorized and interconnected, improving search, retrieval, and interoperability across systems. Ontologists often collaborate with data scientists, engineers, and subject matter experts to develop semantic models that enhance AI, machine learning, and knowledge management applications.

What are the key skills and qualifications needed to thrive as an ontologist?

To thrive as an Ontologist, you need a solid background in information science, knowledge representation, and formal logic, typically supported by a degree in computer science, information systems, or a related field. Experience with semantic web technologies (such as RDF, OWL, and SPARQL), ontology management tools (like Protégé), and sometimes certification in data modeling or knowledge engineering is highly valuable. Strong analytical thinking, problem-solving abilities, and effective communication skills make an ontologist stand out. These competencies are critical for designing and maintaining data structures that improve organizational understanding, interoperability, and searchability of information.

How much do ontologists make?

Ontologists typically earn between $70,000 and $120,000 annually, depending on experience, education, and industry. Senior roles or those in specialized fields may offer higher salaries, especially with expertise in knowledge representation and ontology development tools.

How to become an ontologist?

To become an ontologist, typically a bachelor's degree in computer science, information science, philosophy, or a related field is required, often followed by specialized training or certification in ontology development and semantic technologies. Gaining experience with tools like OWL, RDF, and knowledge modeling, along with strong analytical and logical skills, is also important for this role.
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Ontologist jobs near you
Infographic showing various Ontologist job openings in the United States as of September 2026, with employment types broken down into 83% Full Time, and 17% Contract. Highlights an 83% In-person, and 17% Remote job distribution, with an average salary of $162,018 per year, or $77.9 per hour.

Ontologist, Product Knowledge

Seattle, WA • On-site

Amazon
IT Services • 10K+ employees
Learn more about Amazonexternal

Full-time

Re-posted 9 days ago

Amazon rating

7.4

Company rating: 7.4 out of 10

Based on 7,171 frontline employees who took The Breakroom Quiz

Job description

The vision of the Product Knowledge Ontology Team is to provide a standardized, semantically rich, easily discoverable, extensible, and universally applicable body of product knowledge that can be consistently utilized across customer shopping experiences, selling partner listing experiences and internal enrichment of product data. We aim to make product knowledge compelling, easy to use, and feature rich. Our work to build comprehensive product knowledge allows us to semantically understand a customer's intent - whether that is a shopping mission or a seller offering products.

We strive to make these experiences more intuitive for all customers.
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.
Key job 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
About the team
Our team has a global presence: we celebrate diverse cultures and backgrounds within our team and our customer base

We are committed to furthering our culture of inclusion, offering continuous access to internal affinity groups as well as highlighting diversity programs. We care about your career growth, from your initial company introduction and training sessions, to continuous support throughout your entire career at Amazon. We recognize each team member as an individual, and we will build on your skills to help you grow.

We have a broad mix of experience levels and tenures, and we are building an environment that celebrates knowledge sharing.

What Amazon employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

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About Amazon

Sourced by ZipRecruiter

Amazon.com, Inc., commonly known as Amazon, is an American multinational technology company. It was founded by Jeff Bezos in 1994 and initially started as an online marketplace for books. Since then, Amazon has expanded its operations and become one of the largest e-commerce companies in the world. Amazon's primary business is its online retail platform, where customers can purchase a vast array of products, including electronics, clothing, books, home goods, and much more. The company offers a convenient and user-friendly shopping experience, with features such as fast shipping, customer reviews, and personalized recommendations. In addition to its e-commerce platform, Amazon has diversified its business into various other areas. One of its notable ventures is Amazon Web Services (AWS), a comprehensive cloud computing platform that provides services such as storage, compute power, and database management to individuals and businesses. AWS has become a leader in the cloud computing industry, powering many websites and applications worldwide. Amazon has also developed its own consumer electronics, including the popular Amazon Kindle e-reader, Fire tablets, Fire TV streaming devices, and the Alexa-powered Echo smart speakers. The Alexa voice assistant, integrated into these devices, allows users to interact with their devices using voice commands, perform tasks, and access information. Furthermore, Amazon has expanded into media and entertainment. It operates Prime Video, a streaming service that offers a wide range of movies, TV shows, and original content. Amazon Music provides a platform for streaming and purchasing digital music, while Audible offers audiobooks and other audio content. The company's commitment to customer satisfaction and convenience is demonstrated by its membership program, Amazon Prime. Prime members receive various benefits, including free two-day shipping, access to streaming services, exclusive deals, and more.

Industry

It services, book publishers, retail, real estate, computer and electronic product manufacturing and software development

Company size

10,000+ Employees

Headquarters location

Seattle, WA, US

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