01
RDF
Required
TRPD-26-04479
Ontology Developer (Knowledge Graph / Semantic Web)
Hire an Ontology Developer (5–7 years) to design, build, and govern RDF/OWL ontologies and knowledge graphs. The role focuses on semantic data modeling (RDF/RDFS/OWL/SKOS), defining classes/properties/constraints, writing SPARQL for extraction/validation, and mapping data from relational/non-relational sources into RDF. The candidate will use tools like Protégé/TopBraid/Stardog/GraphDB, apply reasoning/inference for data quality, and collaborate with domain experts, data engineers, and application teams to integrate semantic models into enterprise systems and APIs.
Position summary
- Location
- India
- Workplace
- On-site
- Employment
- Full Time
- Experience
- Minimum 5 years and Maximum 7 years
Role overview
Why This Role Matters.
Hire an Ontology Developer (5–7 years) to design, build, and govern RDF/OWL ontologies and knowledge graphs. The role focuses on semantic data modeling (RDF/RDFS/OWL/SKOS), defining classes/properties/constraints, writing SPARQL for extraction/validation, and mapping data from relational/non-relational sources into RDF. The candidate will use tools like Protégé/TopBraid/Stardog/GraphDB, apply reasoning/inference for data quality, and collaborate with domain experts, data engineers, and application teams to integrate semantic models into enterprise systems and APIs.
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.
02
RDFS
Required
03
OWL
Required
04
SKOS
Required
05
SPARQL
Required
06
Knowledge Graph
Required
07
Ontology
Required
08
Semantic Web
Required
09
Semantic data model
Required
10
Protégé
Required
11
TopBraid
Required
12
Stardog
Required
13
GraphDB
Required
14
Reasoner
Required
15
Reasoning engine
Required
16
Inference rules
Required
17
Ontology governance
Required
18
Versioning
Required
19
Documentation standards
Required
20
Data mapping
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
RDFS
OWL
SKOS
Ontology design and semantic data modeling
Knowledge graph modeling and management
SPARQL querying
Defining classes, properties, relationships, and constraints
Data mapping/transformation to RDF from relational and non-relational sources
Semantic consistency and data interoperability concepts
Ontology governance, versioning, and documentation
Semantic reasoning/inference using reasoning engines
Hands-on with at least one semantic platform/tool (Protégé, TopBraid, Stardog, GraphDB or similar)
Collaboration with domain experts and engineering teams for integration into enterprise systems/APIs
Preferred
Nice to Have
Experience with multiple semantic platforms (e.g., Stardog and GraphDB)
Enterprise integration patterns for semantic models and APIs
Advanced constraint validation approaches (e.g., SHACL)
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.
Apply
Apply for Ontology Developer (Knowledge Graph / Semantic Web)
One page, about two minutes. We only ask for what we actually need to have a first conversation.