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Semantic Web Developer Jobs (NOW HIRING)

PSRTEK

Senior Semantic Web Engineer (Hybrid)

Chicago, IL · On-site

$126K - $166K/yr

Position:- Senior Semantic Web Engineer Location:- Chicago, IL (Hybrid) Contract WHAT YOU'LL DO ... Familiarity with CI/CD, agile practices, and infrastructure tools like Git, Jenkins, Azure DevOps, ...

Jobsbridge

Lead Web Developer

San Jose, CA · On-site

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers ... Experience with JavaScript/AJAX, semantic HTML/XHTML and CSS Experience with common libraries ...

KI MOBILITY

Web Developer

Stevens Point, WI · On-site

$60 - $90/hr

Web developers handle all technical aspects of a website, including its responsiveness across ... Strong knowledge of semantic HTML (Living Standard) and proficiency with modern CSS, including ...

blueStone

Sr Web Developer

Lansing, MI · On-site

The Senior Web Developer's role is to define, develop, test, analyze, and maintain new web ... Ability to write well-crafted, semantic HTML * Understanding of usability on the web with a focus ...

Jobsbridge

Front End Web Developer

San Francisco, CA

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers ... Semantic HTML. Responsive web techniques. 3. Strong CSS skills. LESS/SASS a plus. Media queries and ...

Jobsbridge

Front End Web Developer

San Francisco, CA

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers ... Semantic HTML. Responsive web techniques. 3. Strong CSS skills. LESS/SASS a plus. Media queries and ...

Jobsbridge

Front End Web Developer

San Francisco, CA

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers ... Semantic HTML. Responsive web techniques. 3. Strong CSS skills. LESS/SASS a plus. Media queries and ...

Bristol & Bates

Senior Web Developer

Las Vegas, NV · On-site

We are seeking a dtrong frontend-focused web developer who can hit the ground running and dig into ... Advanced knowledge of semantic HTML, CSS, JavaScript. * Experience with web templating engines. We ...

Bristol & Bates

Senior Web Developer

Las Vegas, NV · On-site

We are seeking a dtrong frontend-focused web developer who can hit the ground running and dig into ... Advanced knowledge of semantic HTML, CSS, JavaScript. * Experience with web templating engines. We ...

GoIntellects Inc.

Web Developer Master

Washington, DC · On-site

$54/hr

Web Developer Master Work Arrangement: Onsite Worksite Address: Washington, DC Interviews: In ... Strong command of semantic HTML5: sectioning elements, headings hierarchy, lists, tables, and forms.

Procom

Front-End NextJS Web Developer

Austin, TX · On-site

Front-End NextJS Web Developer Client: Charles Schwab - Creative Center (C2) Contract Length: 18 ... Understanding of WCAG accessibility standards and semantic HTML * Exposure to REST and/or GraphQL ...

GoIntellects Inc.

Web Developer Master

Washington, DC · On-site

$90 - $130/hr

Web Developer Master Work Arrangement: Onsite Worksite Address: Washington, DC Interviews: In ... Strong command of semantic HTML5: sectioning elements, headings hierarchy, lists, tables, and forms.

ATEM Corp

WordPress Web Developer

Campbell, CA · On-site

WordPress Web Developer -- WordPress Website Implementation Location: Campbell, CA (Hybrid- 1 Day ... Implement and remediate for WCAG 2.1/2.2 accessibility (semantic HTML, heading structure, keyboard ...

New

Aquent

Front End Web Developer

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 ...

Jobsbridge

Web Developer

San Jose, CA

... CSS3, HTML, semantic markup - Sass or Less - Object-oriented JavaScript (Patterns, MVC ... Developers, QA, and site operations teams - 5+ years experience (Software Engineer 3) ...

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Semantic Web Developer information

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$117.9K

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How much do semantic web developer jobs pay per year?

As of Sep 5, 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.

Senior Semantic Web Engineer (Hybrid)

PSRTEK

Chicago, IL • On-site

$126K - $166K/yr

Contractor

Re-posted 17 days ago

Job description

Position:- Senior Semantic Web Engineer

Location:-  Chicago, IL (Hybrid)

Contract

Job description 

WHAT YOU’LL DO:

  • Serve as a subject matter expert in semantic web development on our graph data team, contributing to initiatives that integrate AI, LLMs, and advanced graph technologies. 
  • Collaborate with the Staff Semantic Engineer and other senior engineers to standardize tooling, design patterns, and modeling approaches. 
  • Help define the technical direction for core semantic capabilities, ensuring scalable and robust solutions. 
  • Independently research, evaluate, and propose innovative solutions to complex and ambiguous technical challenges. 
  • Build and manage scalable knowledge graph solutions, including data ingestion, linking, and querying mechanisms. 
  • Write, test, and document clean, maintainable code, and apply automation to testing, integration, and deployment processes. 
  • Partner with product owners to refine features into actionable user stories that deliver business value. 
  • Evaluate and recommend external taxonomies and ontologies; author new ones as needed to support our domain. 
  • Recommend and implement semantic web tools, platforms, and technologies. 
  • Support ontology governance processes and enterprise graph management tools. 
  • Collaborate with stakeholders, including data scientists, engineers, and developers, to understand requirements and build effective semantic solutions. 
  • Provide technical mentorship to junior team members on semantic web principles and implementation patterns. 

WHAT YOU’LL NEED:

  • Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related STEM field  
  • 5+ years of hands-on experience in semantic web or knowledge graph engineering, including leading complex projects. 
  • Proven experience with graph databases or triple stores such as Amazon Neptune, Neo4j, Virtuoso, or GraphDB. (Amazon Neptune preferred) 
  • Strong proficiency in Python; familiarity with other languages (e.g., Java, C#, JavaScript, Clojure) is a plus.
  • Practical experience with RDF, OWL, SPARQL, and ideally SHACL. 
  • Experience with relational databases (SQL) and graph databases (SPARQL). 
  • Hands-on experience with ontology/graph tools such as Protégé, TopBraid, or Metaphactory. (Metaphactory preferred) 
  • Solid understanding of data modeling, ETL processes, and data governance. 
  • Experience with cloud platforms (AWS preferred) and their data services.  
  • Understanding of AI/ML concepts and how semantic data can enhance AI applications.  
  • Familiarity with CI/CD, agile practices, and infrastructure tools like Git, Jenkins, Azure DevOps, and Terraform.  
  • Strong communication and problem-solving skills, with the ability to explain complex technical concepts to non-technical stakeholders.
  • Bonus: Understanding of healthcare ontologies and standards like SNOMED-CT, LOINC, RxNorm, and ICD-10

PSRTEK is a reputed technology recruitment and IT staffing brand with a global footprint and an admired client base. As an ideas and innovation powerhouse with a culture of excellence, we bring remarkable expertise and deliver powerfully transformative results.