IBM WATSON LangGraph Developer
Dallas, TX · On-site
Stardog ontology * Apache zena ontology creation * Big query db design Sr. Software Engineer - AWS Agentic Frameworks (LangGraph) Responsible for designing, developing, and implementing agentic ...
Dallas, TX · On-site
Stardog ontology * Apache zena ontology creation * Big query db design Sr. Software Engineer - AWS Agentic Frameworks (LangGraph) Responsible for designing, developing, and implementing agentic ...
Dallas, TX · On-site
Stardog ontology * Apache zena ontology creation * Big query db design Sr. Software Engineer - AWS Agentic Frameworks (LangGraph) Responsible for designing, developing, and implementing agentic ...
Dallas, TX · On-site
$70 - $75/hr
Stardog ontology * Apache zena ontology creation * Big query db design Expected Work Experience 8-10+ Years Job Summary Sr. Software Engineer AWS Agentic Frameworks (LangGraph) Responsible for ...
New
Dallas, TX · On-site
$70 - $75/hr
Stardog ontology * Apache zena ontology creation * Big query db design Expected Work Experience 8-10+ Years Job Summary Sr. Software Engineer AWS Agentic Frameworks (LangGraph) Responsible for ...
New
SPARQL| RDF| OWL| semantic web technologies Graph databases (e.g.| Stardog| Neo4j)SQL| Python| JavaScript for data processing and visualization EXFO Ontology Required Skills Technical: SPARQL, RDF ...
SPARQL| RDF| OWL| semantic web technologies Graph databases (e.g.| Stardog| Neo4j)SQL| Python| JavaScript for data processing and visualization EXFO Ontology Required Skills Technical: SPARQL, RDF ...
AWS Agentic Frameworks (LangGraph) Dallas, TX Need Local only Long Term Contract IBM Watson orchestrate agentic development Langraph agentic development Stardog ontology Apache zena ontology creation ...
New
AWS Agentic Frameworks (LangGraph) Dallas, TX Need Local only Long Term Contract IBM Watson orchestrate agentic development Langraph agentic development Stardog ontology Apache zena ontology creation ...
New
West Des Moines, IA · On-site
$90K - $110K/yr
Ontology Data Modeler, Semantic Data Modeler, Data Modeler, Knowledge Graph, Enterprise Ontology, Semantic Modeling, Insurance Data Architect, RDF, OWL, SPARQL, ACORD, Neo4j, Stardog, Amazon Neptune ...
West Des Moines, IA · On-site
$90K - $110K/yr
Ontology Data Modeler, Semantic Data Modeler, Data Modeler, Knowledge Graph, Enterprise Ontology, Semantic Modeling, Insurance Data Architect, RDF, OWL, SPARQL, ACORD, Neo4j, Stardog, Amazon Neptune ...
Denver, CO · On-site +1
$117K - $141K/yr
Work extensively with graph databases such as Stardog and Neo4j. * Perform data processing and visualization using SQL, Python, and JavaScript. * Apply deep domain knowledge in telecom network ...
Denver, CO · On-site +1
$117K - $141K/yr
Work extensively with graph databases such as Stardog and Neo4j. * Perform data processing and visualization using SQL, Python, and JavaScript. * Apply deep domain knowledge in telecom network ...
The role involves building scalable digital applications, integrating ontologies with Stardog and Apache Zena, and designing efficient data models on BigQuery to support intelligent, data-driven ...
New
The role involves building scalable digital applications, integrating ontologies with Stardog and Apache Zena, and designing efficient data models on BigQuery to support intelligent, data-driven ...
New
Glendale, CA · On-site
$85.50/hr
Graph Database experience (Neo4j, Neptune, Stardog or similar) * AWS, Azure, or GCP Responsibilities * Design, build, and enhance a knowledge graph-based application supporting studio content and ...
Glendale, CA · On-site
$85.50/hr
Graph Database experience (Neo4j, Neptune, Stardog or similar) * AWS, Azure, or GCP Responsibilities * Design, build, and enhance a knowledge graph-based application supporting studio content and ...
Protg TopBraid Composer OntoStudio Neo4j Stardog GraphDB Apache Jena Fuseki Blazegraph Virtuoso
Protg TopBraid Composer OntoStudio Neo4j Stardog GraphDB Apache Jena Fuseki Blazegraph Virtuoso
$102.72 - $171.19/hr
B. Stardog, GraphDB, Metaphacts, Altair/AnzoGraph, Neo4j) gekonnt ein und modelliere Ontologien. * Du baust, wartest und verifizierst Ontologien und Knowledge Graphen, mit und ohne KI ...
New
$102.72 - $171.19/hr
B. Stardog, GraphDB, Metaphacts, Altair/AnzoGraph, Neo4j) gekonnt ein und modelliere Ontologien. * Du baust, wartest und verifizierst Ontologien und Knowledge Graphen, mit und ohne KI ...
New
Round Rock, TX · On-site
$97K - $133K/yr
Design, build, and scale enterprise Knowledge Graph platforms using Neo4j and/or Stardog, establishing graph-native data models that enable entity resolution, relationship discovery, and semantic ...
Round Rock, TX · On-site
$97K - $133K/yr
Design, build, and scale enterprise Knowledge Graph platforms using Neo4j and/or Stardog, establishing graph-native data models that enable entity resolution, relationship discovery, and semantic ...
Tampa, FL · On-site
Stardog and SPARQL (preferred) * Ontology versioning and change management * Ensuring the model can be efficiently consumed by dashboards (Power BI), APIs, web UIs, and audit exports Role ...
Quick apply
Tampa, FL · On-site
Stardog and SPARQL (preferred) * Ontology versioning and change management * Ensuring the model can be efficiently consumed by dashboards (Power BI), APIs, web UIs, and audit exports Role ...
RDF, OWL, SHACL, SPARQL, Stardog (or GraphDB, Blazegraph, Neptune), Protégé, SKOS taxonomies. • Experience: designing ontologies/knowledge graphs, translating business requirements into semantic ...
RDF, OWL, SHACL, SPARQL, Stardog (or GraphDB, Blazegraph, Neptune), Protégé, SKOS taxonomies. • Experience: designing ontologies/knowledge graphs, translating business requirements into semantic ...
Dahlgren, VA · On-site
$100 - $130/hr
Familiarity with graph database platforms such as Stardog, Blazegraph, Neo4j, or Amazon Neptune. * Ability to obtain and maintain a SECRET DoD Clearance. * U.S. Citizenship required. Preferred ...
New
Dahlgren, VA · On-site
$100 - $130/hr
Familiarity with graph database platforms such as Stardog, Blazegraph, Neo4j, or Amazon Neptune. * Ability to obtain and maintain a SECRET DoD Clearance. * U.S. Citizenship required. Preferred ...
New
Dahlgren, VA · On-site
$106K - $146K/yr
... e.g., Stardog, Neptune, Neo4j). • Lead the development and writing of technical approaches for proposals related to supporting the Navy adopt AI technologies. Qualifications : Required : • ...
Dahlgren, VA · On-site
$106K - $146K/yr
... e.g., Stardog, Neptune, Neo4j). • Lead the development and writing of technical approaches for proposals related to supporting the Navy adopt AI technologies. Qualifications : Required : • ...
AnzoGraph, Neo4j, Stardog, Languages: Python, Java, SPARQL, Cypher, or Gremlin. Bio-Ontologies: Familiarity with OBO Foundry, ChEMBL, or Ensembl.
Quick apply
AnzoGraph, Neo4j, Stardog, Languages: Python, Java, SPARQL, Cypher, or Gremlin. Bio-Ontologies: Familiarity with OBO Foundry, ChEMBL, or Ensembl.
Denver, CO · On-site
$105K - $110K/yr
Graph Data Engineer / SPARQL Developer Must Have Technical/Functional Skills • Technical: o SPARQL, RDF, OWL, semantic web technologies o Graph databases (e.g., Stardog, Neo4j) o SQL, Python ...
Denver, CO · On-site
$105K - $110K/yr
Graph Data Engineer / SPARQL Developer Must Have Technical/Functional Skills • Technical: o SPARQL, RDF, OWL, semantic web technologies o Graph databases (e.g., Stardog, Neo4j) o SQL, Python ...
Philadelphia, PA · On-site
$123K - $163K/yr
Develop and maintain graph databases (GraphDB, Neo4j, Stardog) in production or advanced PoC setups. * Load, validate, and query ontologies within triple store environments. * Collaborate with Data ...
New
Quick apply
Philadelphia, PA · On-site
$123K - $163K/yr
Develop and maintain graph databases (GraphDB, Neo4j, Stardog) in production or advanced PoC setups. * Load, validate, and query ontologies within triple store environments. * Collaborate with Data ...
New
Dahlgren, VA · On-site
$106K - $146K/yr
Familiarity with graph database platforms such as Stardog, Blazegraph, Neo4j, or Amazon Neptune * Ability to obtain and maintain a SECRET DoD Clearance Preferred Qualifications: * Experience with U.S.
Dahlgren, VA · On-site
$106K - $146K/yr
Familiarity with graph database platforms such as Stardog, Blazegraph, Neo4j, or Amazon Neptune * Ability to obtain and maintain a SECRET DoD Clearance Preferred Qualifications: * Experience with U.S.
GraphDB, Stardog, Neo4j, Amazon Neptune Relational databases: PostgreSQL, MySQL, SQL Server Vector stores: Pinecone, Weaviate, Milvus, Qdrant Search: Elasticsearch / OpenSearch Programming: Python ...
New
GraphDB, Stardog, Neo4j, Amazon Neptune Relational databases: PostgreSQL, MySQL, SQL Server Vector stores: Pinecone, Weaviate, Milvus, Qdrant Search: Elasticsearch / OpenSearch Programming: Python ...
New
| Aspect | Stardog | Data Scientist |
|---|---|---|
| Required Credentials | Knowledge of graph databases, data modeling, and sometimes certifications in data management | Degree in data science, statistics, or related fields; certifications like CAP or DAS |
| Work Environment | Primarily works with data management platforms, often in IT or data teams | Analyzes data, builds models, and reports in various industries |
| Industry Usage | Used in data management, knowledge graphs, and enterprise data integration | Applied across finance, healthcare, tech, and more for insights and decision-making |
Stardog focuses on data management and knowledge graph solutions, while Data Scientists analyze data to generate insights. Both roles require strong technical skills but serve different functions within data ecosystems.

Other
This job post has expired today. Applications are no longer accepted.
Sr. Software Engineer – AWS Agentic Frameworks (LangGraph)
Responsible for designing, developing, and implementing agentic solutions using IBM Watson Orchestrate and LangGraph on cloud-native architectures. The role involves building scalable digital applications, integrating ontologies with Stardog and Apache Zena, and designing efficient data models on BigQuery to support intelligent, data-driven systems.
Key Responsibilities
- Design and develop agentic workflows and solutions using IBM Watson Orchestrate.
- Implement and maintain LangGraph-based agentic frameworks for complex digital applications.
- Collaborate with cross-functional teams to integrate agentic capabilities into existing and new cloud solutions.
- Design and develop Stardog ontology models to support knowledge representation and reasoning.
- Create and manage ontologies using Apache Zena for semantic data modeling and integration.
- Design, optimize, and maintain BigQuery database schemas to support analytics and agentic workflows.
- Ensure scalability, performance, and reliability of cloud-based agentic applications on AWS.
- Implement best practices for cloud-native development, including CI/CD, monitoring, and observability for agentic services.
- Perform code reviews, provide technical guidance, and support continuous improvement of engineering practices.
Skills
- Proven experience in Digital Application & Cloud Engineering.
- Hands-on experience with AWS and cloud-native architectures.
- Strong experience with AWS - Agentic Frameworks - LangGraph (Technical).
- Experience with IBM Watson Orchestrate agentic development.
- Experience with LangGraph agentic development for building intelligent workflows.
- Experience in Stardog ontology modeling and management.
- Experience in Apache Zena ontology creation and semantic modeling.
- Strong expertise in BigQuery database design and optimization.
- Proficiency in at least one modern programming language commonly used in cloud and agentic solutions (such as Python, Java, or Node.js).
- Experience with CI/CD pipelines, version control, and automated testing in a cloud environment.
- Knowledge of data modeling, knowledge graphs, and semantic technologies is highly desirable.