Sr. Software Engineer - RDF/OWL Ontologies Job

YASH Technologies, Inc.; Pune District; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

YASH Technologies in Pune, IN is seeking a Sr. Software Engineer for RDF/OWL ontologies to design and maintain semantic data models. You will build knowledge graphs and oversee governance, versioning, and documentation while collaborating with domain experts.

Responsibilities include authoring classes and constraints, executing SPARQL queries, and transforming data from diverse sources into RDF formats for enterprise APIs.

Qualifications

• Five to seven years of RDF/OWL ontology development experience.
• Experience building and maintaining knowledge graphs and semantic data models.
• Ability to translate business concepts into formal ontologies and schemas.
• Proficiency with SPARQL queries for data extraction and validation.
• Knowledge of ontology governance, versioning and documentation standards.

Responsibilities

• Design, develop, and maintain RDF/OWL ontologies and semantic data models.
• Build and manage knowledge graphs using RDF/RDFS/OWL and SKOS.
• Define classes, properties, relationships, and constraints for semantic consistency.
• Collaborate with domain experts to map business concepts to ontologies.
• Develop and execute SPARQL queries for data extraction and transformation.
• Map and transform data from relational and non-relational sources to RDF.
• Implement ontology governance, versioning, and documentation standards.
• Ensure data quality, reasoning, and inference with semantic engines.
• Integrate semantic models with enterprise systems and APIs with data engineers.

Skills

RDF/OWL Ontologies

Knowledge Graphs

SPARQL

Ontology Governance

Data Mapping

Tools

RDF

OWL

SKOS

RDFS

Job description

Sr. Software Engineer - RDF/OWL Ontologies Job

Date: Sep 10, 2026

Job Requisition Id: 66245

Location: Pune, IN

YASH Technologies is a leading technology integrator specializing in helping clients reimagine operating models, enhance competitiveness, optimize costs, foster exceptional stakeholder experiences, and drive business transformation.

At YASH, we’re a cluster of the brightest stars working with cutting-edge technologies. Our purpose is anchored in a single truth – bringing real positive changes in an increasingly virtual world and it drives us beyond generational gaps and disruptions of the future.

We are looking forward to hireRDF/OWL Ontologies Professionals in the following areas :

Experience required: 5-7 years

• Design, develop, and maintain RDF/OWL ontologies and semantic data models aligned with business requirements.
• Build and manage knowledge graphs using standards like RDF, RDFS, OWL, and SKOS.
• Define classes, properties, relationships, and constraints to ensure semantic consistency and data interoperability.
• Collaborate with domain experts to translate business concepts into formal ontologies.
• Develop and execute SPARQL queries for data extraction, validation, and transformation.
• Perform data mapping and transformation from relational and non-relational sources into RDF formats.
• Implement ontology governance, versioning, and documentation standards.
• Ensure data quality, reasoning, and inference rules using semantic reasoning engines.
• Work closely with data engineers and application teams to integrate semantic models into enterprise systems and APIs.

At YASH, you are empowered to create a career that will take you to where you want to go while working in an inclusive team environment.We leverage career-oriented skilling models and optimize our collective intelligence aided with technology for continuous learning, unlearning, and relearning at a rapid pace and scale.

Our Hyperlearning workplace is grounded upon four principles

• Flexible work arrangements, Free spirit, and emotional positivity
• Agile self-determination, trust, transparency, and open collaboration
• All Support needed for the realization of business goals,
• Stable employment with a great atmosphere and ethical corporate culture