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Semantic Web Developer Jobs (NOW HIRING)

LED FastStart

Senior Web Developer

Baton Rouge, LA · On-site

We're looking for a Senior Web Developer who cares as much about craft as they do about curiosity ... semantic HTML best practices - Integrate third-party APIs, headless data sources, and custom data ...

Aquent Talent

Front End Web Developer [212537]

Austin, TX · On-site

$45 - $50/hr

Understanding of accessibility standards (WCAG) and semantic HTML practices. * Basic understanding ... browser developer tools, and troubleshooting techniques. * Understanding of web performance ...

Platinum Technologies

Senior Developer

Herndon, VA · On-site

$56 - $74/hr

The Senior Developer serves as a senior technical contributor responsible for developing secure ... Implement software solutions utilizing Semantic Web technologies, including RDF, OWL, and SPARQL ...

Platinum Technologies

Senior Developer

Herndon, VA · On-site

$56 - $74/hr

The Senior Developer serves as a senior technical contributor responsible for developing secure ... Implement software solutions utilizing Semantic Web technologies, including RDF, OWL, and SPARQL ...

AHU Technologies, Inc.

Drupal Web Developer

Washington, DC · On-site

$54 - $59/hr

Client requires the services of a contractor Web Developer with strong Drupal expertise to support ... Required Technical Skills HTML & Markup • Strong command of semantic HTML5: sectioning elements ...

AHU Technologies Inc

Drupal Web Developer

Washington, DC · On-site

$54 - $59/hr

Client requires the services of a contractor Web Developer with strong Drupal expertise to support ... Strong command of semantic HTML5: sectioning elements, headings hierarchy, lists, tables, and forms.

Sierra

Web Developer, Marketing Site

San Francisco, CA · On-site

$150 - $210/hr

This includes building features in the web app and also collaborating on our website to keep ... You'll champion semantic markup, keyboard navigation, screen-reader support, and WCAG-minded ...

Apex Systems

$85 - $120/hr

IT - Front End Web Developer - Mid-Level Location: Austin, Texas (Hybrid) Role Overview As a NextJS ... Understanding of accessibility standards (WCAG) and semantic HTML practices. * Basic understanding ...

Platinum Technologies

Senior Developer

Herndon, VA · On-site

$56 - $74/hr

The Senior Developer serves as a senior technical contributor responsible for developing secure ... Implement software solutions utilizing Semantic Web technologies, including RDF, OWL, and SPARQL ...

Sierra

$150 - $210/hr

This includes building features in the web app and also collaborating on our website to keep ... You'll champion semantic markup, keyboard navigation, screen-reader support, and WCAG-minded ...

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Semantic Web Developer information

See salary details

$49.5K

$117.9K

$241K

How much do semantic web developer jobs pay per year?

As of Sep 6, 2026, the average yearly pay for semantic web developer in the United States is $117,880.00, according to ZipRecruiter salary data. Most workers in this role earn between $80,000.00 and $128,000.00 per year, depending on experience, location, and employer.

What is a semantic web developer?

A Semantic Web Developer is a software professional who creates applications and systems that leverage the Semantic Web, a set of technologies designed to make data on the internet machine-readable and interoperable. They use standards like RDF (Resource Description Framework), OWL (Web Ontology Language), and SPARQL to structure data and enable intelligent data integration and sharing. Semantic Web Developers often work on projects involving linked data, knowledge graphs, and artificial intelligence to enhance how information is connected and understood by machines. Their work helps improve search, data discovery, and automation across diverse domains.

What are the key skills and qualifications needed to thrive as a semantic web developer?

To thrive as a Semantic Web Developer, you need a solid background in computer science, expertise in semantic technologies (such as RDF, OWL, and SPARQL), and experience with web development languages like JavaScript or Python. Familiarity with ontology editors (like Protégé), triple stores (such as Apache Jena or Virtuoso), and relevant W3C standards is typically required. Strong analytical thinking, problem-solving skills, and the ability to communicate complex concepts clearly set outstanding candidates apart. These competencies are vital for building interoperable, intelligent web systems that efficiently manage and leverage structured data.

What are the most common challenges faced by semantic web developers when integrating ontologies with existing data sources?

Semantic Web Developers often encounter challenges when mapping and integrating diverse data sources into a unified ontology. These can include inconsistencies in data formats, incomplete metadata, and aligning different vocabularies or schemas. Overcoming these issues typically requires strong analytical skills, familiarity with RDF and OWL standards, and close collaboration with data owners and subject matter experts to ensure semantic accuracy. Regular communication and iterative testing are essential for successful integration and to maintain data integrity across systems.

What is the difference between Semantic Web Developer vs Web Developer?

AspectSemantic Web DeveloperWeb Developer
Required SkillsSemantic web technologies, RDF, OWL, SPARQL, ontologiesHTML, CSS, JavaScript, frameworks like React or Angular
Work EnvironmentResearch, data integration, knowledge graphsWebsite and application development
Industry UsageData-driven industries, AI, knowledge managementMedia, e-commerce, corporate websites

Semantic Web Developers focus on creating intelligent, data-rich web applications using semantic technologies, while Web Developers primarily build and maintain standard websites and applications. Both roles require coding skills, but their focus areas differ significantly, with Semantic Web Developers working more with data integration and ontologies.

More about Semantic Web Developer jobs

What job categories do people searching Semantic Web Developer jobs look for?

The top searched job categories for Semantic Web Developer jobs are:

Semantic Web Developer jobs near you
Infographic showing various Semantic Web Developer job openings in the United States as of August 2026, with employment types broken down into 1% Internship, 81% Full Time, 12% Part Time, 1% Temporary, and 5% Contract. Highlights an 82% Physical, 4% Hybrid, and 14% Remote job distribution, with an average salary of $117,880 per year, or $56.7 per hour.

Knowledge Graph and Semantic Data Services

ServIT Consulting LLC

Charlotte, NC • On-site

$111K - $134K/yr

Other

This job post has expired 2 days ago. Applications are no longer accepted.

Job description

Knowledge Graph and Semantic Data ServicesOnly W2Onsite

Introduction: As a member of our team, you will be responsible for managing our knowledge graph and semantic data services. You will work closely with our data scientists and engineers to ensure that our data is organized and structured in a way that allows for efficient analysis and retrieval.

Responsibilities:
  • Develop and maintain our knowledge graph, including adding new data sources and updating existing ones
  • Design and implement semantic data services to support various applications within the company
  • Collaborate with cross-functional teams to understand their data needs and provide solutions
  • Optimize data retrieval processes to ensure fast and accurate results
  • Stay up-to-date on the latest trends and technologies in semantics and knowledge graphs
Requirements:

Required Skills:

  • Strong background in semantics and knowledge graphs
  • Experience with semantic web technologies such as RDF, OWL, and SPARQL
  • Proficiency in data modeling and ontology design
  • Excellent problem-solving and analytical skills
  • Ability to work collaboratively in a team environment

Preferred Skills:

  • Experience with natural language processing and machine learning
  • Knowledge of linked data principles and standards
  • Experience with graph databases such as Neo4j or AllegroGraph
  • Familiarity with data integration and ETL processes
  • Advanced degree in a related field

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