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United StatesRemote · Hybrid · Onsite · Field · All Environments
United StatesRemote · Hybrid · Onsite · Field · All Environments
United StatesRemote · Hybrid · Onsite · Field · All Environments
United StatesRemote · Hybrid · Onsite · Field · All Environments
139 knowledge graph developer jobs at 92 companies in United States
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Senior Knowledge Graph Engineer
Atlanta, Georgia, United States
$152k-$178k/yr OnsiteFull Time
2+ YOEBachelor's or master's degree in a related field; 2+ years building production knowledge graphs and ontologies; 3+ years with RDF, OWL, SHACL, SKOS, LPG, and SPARQL; expertise in graph queries and agent frameworks.
RDF, OWL, SHACL, SKOS, LPG, SPARQL, Protégé, TopQuadrant, Stardog, Jena, Data.World, Cypher, GQL, LangChain, AutoGen, Semantic Kernel, Palantir, Microsoft Fabric, Microsoft Foundry, OpenAI, MCP servers, LLMs, GenAI
2mo
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Knowledge Graph Engineer
Mountain View, California, United States
$142k-$342k/yr OnsiteFull Time
4+ YOE4+ years software engineering experience building knowledge-graph or places-data systems, hands-on entity resolution/linking, ontology/schema design, and strong data-engineering fundamentals; geospatial experience a plus.
1mo
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Senior Knowledge Graph Developer
Chicago, Illinois, United States
$112k-$147k/yr OnsiteFull Time
6+ YOE6+ years software engineering or data architecture experience with 4+ years in knowledge graph engineering; expertise in graph platforms, query languages, semantic modeling; Python or Java; cloud and container experience.
Neo4j, TigerGraph, AWS Neptune, Stardog, GraphDB, Cypher, SPARQL, Gremlin, RDF, OWL, RDFS, SKOS, Python, Java, AWS, GCP, Azure, Docker, Kubernetes, Protégé, SHACL, ShEx
2mo
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Knowledge Graph Software Engineer - Clearance Required
Herndon, Virginia, United States
$126k-$248k/yr OnsiteFull Time
Active Secret (or higher) clearance or ability to obtain; experience with graph databases (Amazon Neptune, Neo4j), Java/Spring Boot, CI/CD (AWS CodeBuild, Jenkins, GitLab CI, GitHub Actions), Git, AWS cloud, testing (JUnit, Mockito), REST/HTTP; must reside within 2-hour drive of Herndon, VA.
Amazon Neptune, Neo4j, Git, AWS CodeBuild, Jenkins, GitLab CI, GitHub Actions, AWS, Java, Spring, Spring Boot, JUnit, Mockito, REST, HTTP, Prometheus, Grafana, CloudWatch, ELK, EFK, OpenSearch, Elasticsearch, Solr, SNS, SQS, Kafka, Kinesis, AWS Step Functions, Event Bridge, Terraform, Python, Node.js, C#, Bash, PowerShell, OpenTelemetry, Splunk
2mo
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Knowledge Graph Engineer - Investment Data Ontology
London or United States or United Kingdom or Ireland or Australia or Canada or Mexico
HybridFull Time, Contract
5+ YOE5+ years building production RDF/OWL ontologies; SHACL and SPARQL 1.1 expertise; triple-store experience; Python or Java; financial identifier knowledge and data governance experience.
OWL 2, RDF, Linked Data, SHACL, SKOS, R2RML, rdflib, Turtle, N-Quads, SPARQL 1.1, TopBraid, GraphDB, Stardog, RDFox, Amazon Neptune, Python, Java, FIBO, TopBraid EDG, GraphWise, RML, Git
1mo
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Sr. Consultant Machine Learning & Knowledge Graph Engineer
Round Rock, Texas, United States
$235k-$305k/yr OnsiteFull Time
12+ YOEExpert in enterprise knowledge graph architecture (Neo4j/Stardog), ontology engineering (OWL2), RAG/agentic AI, PySpark/Kafka/Airflow integration, Python/SQL/Cypher/SPARQL proficiency, and 12+ years experience with 4+ years on knowledge graphs.
Neo4j, Neo4j GDS, APOC, AuraDB, Stardog, Stardog Virtual Graphs, Spark Structured Streaming, PySpark, Kafka, Apache Iceberg, Delta Lake, Airflow, Python, SQL, Cypher, SPARQL, Node2Vec, FastRP, GQL
2w
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Data Engineer, Knowledge Graph
New York City, New York, United States
$200k-$300k/yr OnsiteFull Time
3+ YOERequires 3+ years in knowledge graph engineering or graph databases, graph modeling and ontology expertise, graph database experience, advanced Python or high-level language skills, data integration, team leadership, mentoring, hiring, and stakeholder management.
Neo4j, TigerGraph, Amazon Neptune, Python
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Lead Engineer – GenAI, Agentic AI, and Knowledge Graph Architect
New York City, New York, United States
$140k-$200k/yr HybridFull Time
7+ YOE7+ years in AI/ML or advanced software engineering; 5+ years Python; 3+ years building Generative/Agentic AI; hands-on LLM, prompt engineering, knowledge graph and semantic technologies; production deployments experience.
Python, LLMs, Cypher, SPARQL, Gremlin, RDF, OWL, Neo4j, Amazon Neptune, Stardog, GraphDB, TigerGraph, JanusGraph, ArangoDB, Postgres, MongoDB, ChromaDB, LangGraph, AutoGen, LangChain, GraphQL, REST, WebSocket, GDS
2w
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Data Engineer - Knowledge Graph
New York City, New York, United States
$200k-$300k/yr OnsiteFull Time
Requires technical team leadership, graph data modeling, ontology design, semantic technologies, graph databases, advanced Python or other high-level programming, data integration, change management, stakeholder collaboration, and team building.
Neo4j, TigerGraph, Amazon Neptune, Python
4w
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Knowledge Engineer - Back End
Seattle or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego or United States
$26-$94/hr HybridFull Time
3+ YOERequires 3+ years in knowledge graphs, ontology mapping, R2RML, graph and relational databases, vector databases, Python or Java, and REST APIs; bachelor's degree or equivalent experience required.
R2RML, SPARQL, StarDog, GraphWise, Neo4J, Elasticsearch, OpenSearch, SQL, PostgreSQL, MySQL, SQL Server, Python, Java, REST, Docker, Kubernetes, D3.js, Cytoscape.js, AWS Neptune, Azure Cosmos DB, GCP, Kafka, RabbitMQ, Terraform, Helm, GraphQL
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Junior Graph Data Engineer
Arlington, Virginia, United States
$85k-$105k/yr OnsiteFull Time
1+ YOEBachelor's degree and 1+ year relevant experience or equivalent; active TS/SCI clearance; foundational programming, SQL, JSON/XML/YAML, knowledge graph, database, and ETL skills.
Python, Java, SQL, JSON, XML, YAML, ETL, Cypher, SPARQL, LLM
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Data Engineer (Knowledge Graph Specialist)
Bethesda, Maryland, United States
HybridFull Time
Bachelor's degree and 1.5+ years of experience; graph theory, data modeling, graph databases, query and scripting languages, Linux, software team collaboration, and classified-environment experience required.
Anzograph, Neo4j, Amazon Neptune, Cypher, SQL, SPARQL, Python, Linux, RedHat, MacOS, Windows, AWS Console, EC2, TensorFlow, scikit-learn
2w
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Senior Knowledge Engineer
Dallas or Columbus or Tampa or Atlanta or Houston
$80k-$294k/yr HybridFull Time
4+ YOERequires a bachelor's degree or equivalent experience, 4+ years in knowledge graph technologies, 2+ years in ontology, semantic modeling, graph solutions, databases, and agentic pipelines, plus Python and cloud experience.
OWL, RDF, RDFS, SPARQL, Neo4j, Amazon Neptune, TigerGraph, Stardog, Cypher, Gremlin, Wikidata, schema.org, W3C, LangChain, LlamaIndex, AutoGen, Python, NetworkX, RDFLib, PyKEEN, REST APIs, Git, CI/CD, AWS, Azure, GCP, TensorFlow, PyTorch, Apache NiFi, Airflow, LLM, RAG, LPG, SHACL, NLP
2h
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Forward Deployed AI Engineer -Neo4j / Knowledge Graph
United States
RemoteFull Time
5+ YOEExperienced AI engineer required to build enterprise GenAI, RAG, Agentic AI, and Neo4j Knowledge Graph solutions, develop Python or Go applications, create Databricks/PySpark pipelines, and deploy across cloud platforms.
Neo4j, GraphRAG, Databricks, PySpark, Python, Go, AWS, Azure, GCP, LangChain, LlamaIndex, LangGraph, AutoGen, AWS Bedrock, Azure OpenAI, Kubernetes, Docker, Terraform, vLLM, Triton, PyTorch, Hugging Face
2mo
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Data Engineer (SMTS/LMTS) - Knowledge Graph & AI
San Francisco or New York City or Seattle or Indianapolis
$149k-$260k/yr OnsiteFull Time
8+ YOESenior/lead data engineering role building scalable knowledge graph and AI platforms. Requires 8+–10+ years software/data engineering, a related technical degree, expert Python, graph/ontology engineering (Neo4j, RDF/OWL, SPARQL), cloud (AWS/GCP/Azure), distributed systems, and experience with vector search, RAG, and AI tooling.
Python, LangChain, Claude, Cursor, Windsurf, AI Agents, Model Context Protocol (MCP), Neo4j, RDF/OWL, SPARQL, TopQuadrant, Protégé, SHACL, GitHub Copilot, AWS, GCP, Azure, Kafka, vector databases, RAG, semantic-router, Salesforce Data Cloud
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Computer Vision Algorithm Engineer - TikTok E-commerce Knowledge Graph
Seattle, Washington, United States
$148k-$301k/yr OnsiteFull Time
Deep expertise in computer vision/multimodal algorithms, knowledge graph construction, and experience with model training/deployment; familiarity with TensorFlow/PyTorch/MXNet and distributed/hybrid precision training preferred.
TensorFlow, PyTorch, MXNet
2w
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Senior Ontology and Knowledge Engineer
Irving or Chicago
$102k-$179k/yr OnsiteFull Time
5+ YOERelevant degree preferred; 5+ years of experience required. Requires Semantic Web, graph database, ontology tool, programming, version control, validation, testing, and CI/CD experience.
RDF, OWL, SKOS, SPARQL, SHACL, Protégé, TopBraid, PoolParty, Stardog, BFO, DOLCE, Common Core Ontologies, OBO Foundry, Python, Java, Git, CI/CD
2w
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Senior Ontology and Knowledge Engineer
Irving or Chicago
$102k-$179k/yr OnsiteFull Time
5+ YOE5+ years of relevant experience; knowledge of RDF, OWL, SKOS, SPARQL, SHACL, graph databases, ontology tools, semantic standards, programming, Git, automated testing, and CI/CD.
RDF, OWL, SKOS, SPARQL, SHACL, Protégé, TopBraid, PoolParty, Stardog, BFO, DOLCE, Common Core Ontologies, OBO Foundry, Python, Java, Git, CI/CD
2mo
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Software Engineer - Knowledge
Fort Worth, Texas, United States
OnsiteFull Time
Experienced software engineer with expertise in Python or TypeScript, graph databases, LLMs/embeddings/vector databases, scalable data modeling, and distributed systems design.
Python, TypeScript, Neo4j, Memgraph, Neptune, RDF, SPARQL, LLMs, embeddings, vector databases, RAG, AI agent systems
2w
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Lead Engineer, Shopping Product Graph, Data Infrastructure
Pittsburgh, Pennsylvania, United States
$262k-$364k/yr OnsiteFull Time
8+ YOE5+ MgmtBachelor's degree or equivalent experience, 8 years in machine learning architecture, graph and knowledge base systems, data pipelines, and engineering leadership; experience with data structures and algorithms.
Large Language Models (LLMs)
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