Intermediate Graph Developer (Semantic Data Platform)

Job description

About Delta Intelligent Building Technologies (Canada) Inc. (formerly known as Delta Controls) Delta Intelligent Building Technologies (Canada) Inc. is a leading building controls manufacturer. For over three decades, we have provided innovative building automation solutions for commercial, healthcare, education, and leisure facilities. Job Summary: We’re looking for an Intermediate Graph Developer to help build a next-generation semantic graph data platform - a “digital twin” layer for buildings, equipment, and their relationships. This platform will power AI-assisted querying and insights by ingesting RDF-based semantic data, exposing it through APIs and query interfaces, and supporting both cloud and on-prem deployments (with future extensibility to edge environments). Duties and Responsibilities: Graph Data & Semantic Modeling: - Design and evolve a labeled graph model for entities, relationships, and properties - Apply RDF, JSON-LD, and built-environment ontologies - Extend domain models as needed for real-world building systems Storage Layer & Performance: - Work with graph databases or RDF stores - Enable efficient traversal queries across large, multi-building datasets - En...