Knowledge Engineer (ID:3390)

Stafide; Sweden; On-site; SEK 502,200 - 725,400; Full time

Benefits offered by this job

Opportunities to work on advanced solutions

Exposure to modern semantic technologies

Collaborative environment

Job summary

A leading semantic technology firm in Sweden is seeking a skilled professional to design and manage knowledge graph solutions. Responsibilities include developing with Metaphactory and optimizing performance using advanced querying techniques. Ideal candidates possess strong hands-on experience with triplestore databases and a deep understanding of semantic data models. This role offers opportunities to work on challenging problems within a collaborative environment focused on technical excellence.

Qualifications

• Strong hands-on experience with Metaphactory for knowledge graph development and management.
• Practical experience working with triplestore databases, ideally RDFox.
• Deep understanding of graph-based and semantic data models.

Responsibilities

• Design, develop, and maintain knowledge graph solutions using Metaphactory.
• Customize and extend Metaphactory capabilities for specific business needs.
• Implement and optimize querying using Datalog.

Skills

Experience with Metaphactory

Triplestore databases knowledge

SPARQL expertise

Proficiency in Datalog

Semantic web technologies understanding

Ontology modeling skills

Job description

Responsibilities:

• Design, develop, and maintain knowledge graph solutions using Metaphactory.
• Customize and extend Metaphactory capabilities to meet specific business and integration requirements.
• Develop and manage graph-based data models using triplestore databases, preferably RDFox.
• Implement and optimize rule-based reasoning and querying using Datalog.
• Design and execute complex SPARQL queries to retrieve, manipulate, and analyze RDF data.
• Ensure high performance, scalability, and reliability of knowledge graph systems.
• Apply semantic web standards to support structured, interoperable data solutions.
• Contribute to ontology modeling, validation, and vocabulary management.

What You Bring to the Table:

• Strong hands-on experience with Metaphactory for knowledge graph development and management.
• Practical experience working with triplestore databases, ideally RDFox.
• Deep understanding of graph-based and semantic data models.
• Advanced knowledge of SPARQL for querying RDF-based knowledge graphs.
• Strong proficiency in Datalog for reasoning and query optimization.
• Solid understanding of semantic web technologies, including RDF.
• Experience using RDFS, OWL, SHACL, and SKOS for ontology modeling and validation.
• A quality-driven mindset focused on performance optimization and scalability.

You Should Possess the Ability to:

• Build and maintain scalable, high-performance knowledge graph systems.
• Customize semantic platforms to support evolving business requirements.
• Model complex domains using ontologies and controlled vocabularies.
• Optimize queries and reasoning logic for efficiency and maintainability.
• Translate business needs into semantic and graph-based solutions.

What We Bring to the Table:

• Opportunities to work on advanced semantic and knowledge graph solutions.
• Exposure to modern semantic technologies and industry standards.
• A collaborative environment that values technical excellence and knowledge sharing.
• Challenging problem spaces involving complex data relationships and reasoning.

Let’s Connect

Want to discuss this opportunity in more detail? Feel free to reach out.