Knowledge Graph Engineer - Investment Data Ontology

hackajob is collaborating with Vanguard to connect them with exceptional professionals for this role. Project Contractor Project Contractor SummaryContract role to design and deliver a proof-of-concept knowledge graph modeling investment fund data for one of the world''s largest asset managers. You will encode business rules, regulatory constraints, and identifier relationships as machine-readable ontologies - directly eliminating manual fund data processes and enabling automated validation across thousands of funds in 6 global markets. Defined POC scope, executive sponsorship, and weekly technical guidance from two of the most recognized knowledge graph practitioners in financial services.What You''ll Deliver (POC Scope)An investment fund ontology (OWL 2 / RDF / Linked Data) modeling the product hierarchy: Fund > ShareClass > Listing > Security, with 73+ identifier types (ISIN, SEDOL, CUSIP, LEI, Bloomberg, and more) governed across US, UK, Ireland, Australia, Canada, and MexicoSHACL validation shapes encoding business rules as executable constraints - e.g., "A US-domiciled ETF listing must have a valid ISIN" - that flag violations at fund launch and throughout the fund lifecycleSKOS concept schemes harmonizing vocabulary across 8+ internal systems, providing a semantic bridge between source-of-record platformsData integration pipelines mapping relational data into RDF triples (Turtle/N-Quads) using R2RML, rdflib, or equivalent mapping toolingAPI layer enabling downstream ..... full job details .....