Senior Knowledge Graph Engineer for AI-Driven Procurement

Chain IQ Group AG; Portugal; Presencial; EUR 70 000 - 90 000; Tempo integral

Resumo da oferta

Chain IQ Group AG is shaping the semantic backbone for an AI-native procurement platform. This role focuses on ontology design, knowledge graphs, and context graphs to enable retrieval, reasoning, and workflow automation across suppliers, contracts, and events.

You will collaborate with cross-functional teams and govern semantic structures to ensure scalable, reusable intelligence. The position emphasizes governance, data quality, and the ability to translate business concepts into robust graph

Qualificações

• Experience with semantic modelling and ontology design.
• Ability to translate procurement concepts into reusable graph structures.
• Strong understanding of entities, relationships, and lifecycle states.
• Familiarity with graph databases and knowledge representation.

Responsabilidades

• Define and maintain procurement ontologies across entities, attributes, relationships.
• Own the semantic model for suppliers, contracts, risks, and workflows.
• Design and evolve procurement knowledge graphs and context graphs.
• Define context graph patterns for retrieval systems and AI agents.
• Model temporal relationships, provenance, and ownership.
• Define graph construction patterns linking data, documents, events.
• Establish entity resolution, deduplication, identity management.
• Define validation rules and quality expectations for ontology.
• Collaborate with Data, Product, AI, Governance teams.
• Help eliminate duplicated logic by moving meaning into semantic assets.

Conhecimentos

Semantic modelling

Ontology design

Knowledge graphs

Graph data modelling

Domain modelling

Ferramentas

RDF/OWL

Graph databases

Neo4j

Property graphs

Descrição da oferta de emprego

Chain IQ Group AG is shaping the semantic backbone for an AI-native procurement platform. This role focuses on ontology design, knowledge graphs, and context graphs to enable retrieval, reasoning, and workflow automation across suppliers, contracts, and events.

You will collaborate with cross-functional teams and govern semantic structures to ensure scalable, reusable intelligence. The position emphasizes governance, data quality, and the ability to translate business concepts into robust graph