Senior Knowledge Graph Developer
United Airlines3 months ago
Responsibilities
- Design and implement scalable knowledge graph schemas using property graph and RDF-based models.
- Define and maintain ontologies, taxonomies, and semantic models across business domains.
- Lead ETL/ELT pipelines that ingest, transform, and map heterogeneous data into the knowledge graph.
- Develop and optimize Cypher, SPARQL, and Gremlin queries and high-performance APIs for downstream applications.
- Integrate knowledge graphs with LLMs, RAG pipelines, graph embeddings, and agentic frameworks.
- Establish governance practices for data quality, lineage, access control, and metadata management.
- Monitor graph performance and optimize indexing and traversal strategies for production environments.
Requirements
- Experience designing and scaling enterprise knowledge graph initiatives.
- Experience with property graph technologies such as Neo4j and TigerGraph and/or RDF-based models.
- Experience with ontology engineering, taxonomies, semantic models, and entity relationships.
- Experience developing data integration and ETL/ELT pipelines across relational, NoSQL, API, and unstructured data sources.
- Proficiency with graph query languages including Cypher, SPARQL, and Gremlin.
- Experience designing APIs and integrating knowledge graphs with AI/ML systems, LLMs, RAG pipelines, graph embeddings, or agentic frameworks.
- Knowledge of graph governance, data quality, lineage, access control, metadata management, indexing, and traversal optimization.
Benefits
- Health and wellness benefits are provided.
- Employees can build connections with teammates and customers.
- Employees can travel using the company’s extensive route network.
Tech Stack
Neo4j
Categories
BackendData Engineering
About United Airlines
United Airlines is a major U.S. carrier that provides passenger air travel and air cargo services across a global network spanning six continents. The company sells tickets and ancillary services through united.com and its mobile apps, operates the MileagePlus loyalty program with co-brand credit card partnerships, and supports operations with large-scale digital systems. Headquartered in Chicago, it is part of publicly traded United Airlines Holdings (NASDAQ: UAL) and a member of Star Alliance.