Tata Consultancy Services
Data Modeller
Skills
2 months ago
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Important information
Contract type:
Permanent
Location:
Bengaluru, Karnataka, India
Work mode:
Onsite
Published on:
25 August 2026
What they need
SN Required Information Details
1 Role Data Modeler
2 Required Technical Skill Set Strong experience in semantic data modeling, knowledge graphs, and AI-driven data platforms to design and lead the implementation of an enterprise knowledge graph architecture supporting AI-enabled underwriting use cases. The role will focus on designing scalable semantic data models, integrating enterprise data with knowledge graphs, and enabling AI-driven insights using Graph RAG and vector search capabilities.
4 Desired Experience Range 8+ years
Location of Requirement Hyderabad and Bangalore pune chennai
Desired Competencies (Technical/Behavioral Competency)
Must-Have •
JSON-LD and semantic standards • Knowledge Graph modelling Neo4j (Cypher) and/or Azure Cosmos DB (Gremlin) • Vector database concepts — Pinecone, Weaviate, Chroma, FAISS • Graph RAG architecture and embedding model integration
Good-to-Have • Insurance domain knowledge (underwriting, risk, policy lifecycle) • LangChain / LlamaIndex / Azure OpenAI Service exposure
SN Responsibility of / Expectations from the Role
1 Design and implement knowledge graph data models using JSON-LD, and ontology frameworks
2 Build and maintain graph schemas on Neo4j and Azure Cosmos DB (Gremlin API)
3 Model the underwriting value chain — from account creation, data enrichment, risk assessment, technical rating, through to policy issuance
4 Enable semantic search and similarity matching for underwriting submissions
5 Collaborate with AI/ML teams on Graph RAG pipelines, embedding models, and LLM integrations (GPT-4, Claude, Cohere)
6 Design vector database schemas on Pinecone, Weaviate, Chroma, or FAISS
7 Ensure full data lineage, enrichment traceability, and audit-ready data structures
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