Software Engineer III - Knowledge Representation (Ontology and ML Engineer)

Software Engineer III focusing on Knowledge Representation will play a key role in maintaining GHX’s AI efforts in healthcare. You will design, implement, and curate ontologies and graphical structures to represent complex relationships in the Health Care Supply Chain, integrating graph solutions with data stores and AI solutions including generative and rule-based systems. The role involves collaborating with stakeholders to translate needs into scalable data architectures, leveraging LLMs/GenAI, multimodal data handling, and maintaining APIs and MCP-based services. You will work with knowledge graphs, RDF/Cypher/Gremlin queries, Python and SQL, and cloud/dockers environments, contributing to GHX’s AI strategy and ensuring explainability and transparent data handling. Proactive exploration of new techniques, maintaining software tooling, and adhering to sound software engineering practices are expected. The position requires strong CS fundamentals, experience with graph databases, and the ability to work with diverse data modalities and architectures.