TRPD-26-04556

Semantic Web Ontology Engineer (RDF/OWL)

Looking for an Ontology/Semantic Web engineer with strong hands-on knowledge of RDF and OWL ontologies. The role focuses on modeling domain knowledge as ontologies, using standard Semantic Web technologies (RDF/RDFS/OWL, SPARQL), and applying best practices for ontology design, reasoning, and data integration/knowledge graphs. Candidates should be comfortable with core ontology concepts (classes, properties, restrictions, inference) and working with common ontology tooling.

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Position summary

Location: India
Workplace: On-site
Employment: Full Time
Experience: Minimum 3 years and Maximum 9 years

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Role overview

Why This Role Matters.

Your Impact

Deliver Enterprise Value

Help organisations solve complex business problems through modern technology, consulting expertise and measurable outcomes.

Collaboration

Work Across Teams

Collaborate with consultants, architects, engineers and client stakeholders throughout the project lifecycle.

Growth

Learn Continuously

Gain exposure to enterprise technologies, certifications, mentoring and real-world project experience.

Career Path

Grow With Ubique

Build a long-term consulting career with opportunities to take on greater responsibility and leadership over time.

Responsibilities

What You'll Be Doing.

Every role at Ubique contributes directly to solving meaningful business challenges for our clients.

Technology stack

Tools & Technologies.

The platforms and technologies you'll use to build modern, enterprise-grade solutions.

RDF

Required

RDFS

Required

OWL

Required

SPARQL

Required

Semantic Web

Required

Ontology

Required

Reasoner

Required

Description Logics

Required

Protégé

Required

Triple store

Required

Knowledge Graph

Required

SHACL

Required

SKOS

Required

Apache Jena

Required

Fuseki

Required

GraphDB

Required

Stardog

Required

Blazegraph

Required

Requirements

Skills & Experience.

We value curiosity, collaboration and continuous learning. If you don't meet every requirement but believe you can make an impact, we'd still love to hear from you.

Essential

Required Qualifications

RDF (Resource Description Framework)

OWL (Web Ontology Language)

Ontology modeling (classes, properties, individuals)

RDFS basics (subClassOf, subPropertyOf, domain/range)

SPARQL querying

Understanding of reasoning/inference (open world assumption, entailment)

Preferred

Nice to Have

Knowledge graph concepts

SHACL (RDF validation)

Ontology alignment/mapping

Protégé or similar ontology editor

Triple stores/graph databases (e.g., GraphDB, Stardog, Blazegraph, Apache Jena/Fuseki)

SKOS (taxonomies/thesauri)

What you'll gain

More Than Just A Job.

We're committed to helping every team member grow professionally, personally and technically while working on meaningful projects.

Global Exposure

Collaborate with international clients and multicultural teams on enterprise programmes.

Continuous Learning

Expand your expertise through mentoring, certifications and hands-on project experience.

Career Growth

Take ownership, develop leadership skills and grow your consulting career over time.

Flexible Working

Hybrid and remote collaboration designed around trust and delivering exceptional outcomes.

People First

Join a supportive culture where collaboration, respect and long-term relationships come first.

Enterprise Projects

Work on meaningful technology initiatives for leading organisations across industries.

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Apply for Semantic Web Ontology Engineer (RDF/OWL)

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