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Ontology Engineer

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Wissen

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Location:
India , Bangalore

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

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Job Description:

Wissen Technology is hiring for Ontology Engineer / Ontologist About Wissen Technology: At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide. Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Today, Wissen Technology has a global footprint with 2000+ employees across offices in the US, UK, UAE, India, and Australia. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality. We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more. Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients the flexibility to adapt to their evolving business needs. Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time. Job Summary: We are looking for a skilled Ontologist / Ontology Engineer with strong expertise in formal ontology design, semantic technologies, and knowledge representation. The ideal candidate will be responsible for designing, developing, and maintaining scalable ontologies aligned with business requirements. Experience: 8-12 Years Location: Mumbai|| Pune Mode of Work: Hybrid

Job Responsibility:

  • Strong understanding of Description Logics and OWL profiles (EL, QL, RL, DL)
  • Knowledge of open-world vs. closed-world assumptions
  • Ability to design clean and scalable rdfs:subClassOf hierarchies
  • Ensure proper use of disjointness, equivalence classes, and avoid cycles/redundancy
  • Strong judgment in deciding when to create a class, property, named individual, or SKOS concept
  • Translate business rules into SHACL shapes
  • Handle cardinality constraints, required vs. multi-valued fields, controlled vocabularies, and severity levels
  • Experience in aligning, importing, and extending ontologies across teams
  • Maintain proper import boundaries and consistency
  • Define consistent IRI patterns and prefix governance
  • Proper use of skos:prefLabel, skos:altLabel, and skos:definition
  • Ability to gather requirements using competency questions
  • Map business questions to ontology axioms and relationships
  • Manage ontology evolution and versioning
  • Handle deprecation (owl:deprecated), backward compatibility, and migration impact
  • Hands-on experience with ontology design tools (e.g., Protégé or similar)

Requirements:

  • Strong knowledge of OWL, RDF, RDFS, SKOS, and SHACL
  • Experience with semantic web technologies
  • Strong analytical and problem-solving skills

Nice to have:

  • Experience working in enterprise data/knowledge graph environments
  • Understanding of data integration and semantic interoperability

Additional Information:

Job Posted:
May 04, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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