Senior Developer - TS/SCI Clearance, Semantic Web & AI

Pt78; Herndon (VA); On-site; USD 120,000 - 160,000; Full time

Job summary

Platinum Technologies seeks a Senior Developer to design, develop, and maintain mission-critical applications that support Object-Based Intelligence, enterprise ontologies, knowledge graphs, and semantic data integration. You will build secure, scalable software in an Agile DevSecOps environment.

Collaborating with ontology engineers, software developers, data engineers, and Government stakeholders, you will deliver APIs, services, and UIs that enable data interoperability, analytics, and

Qualifications

• Must be a U.S. citizen and have an active TS/SCI with CI polygraph.
• 10+ years of experience and an advanced degree, or 15 years experience with a bachelor’s degree.
• Experience developing enterprise software applications using Java, Python, C#, or comparable OO languages.
• Experience developing RESTful APIs, microservices, and distributed applications.
• Experience integrating applications with relational databases, graph databases, or enterprise data platforms.
• Experience with containerization technologies such as Docker and Kubernetes/OpenShift.
• Familiarity with Agile software development methodologies, DevSecOps practices, CI/CD pipelines, and Git-based version control.
• Ability to communicate complex technical concepts effectively to technical and non-technical stakeholders.

Responsibilities

• Design, develop, test, deploy, and maintain enterprise software applications supporting Object-Based Intelligence mission requirements.
• Develop scalable backend services, RESTful APIs, and user-facing applications that integrate with ontology services, knowledge graphs, semantic databases, and enterprise data platforms.
• Implement software solutions utilizing Semantic Web technologies, including RDF, OWL, and SPARQL, to support semantic search, data integration, and knowledge discovery.
• Collaborate with ontology engineers, database engineers, data engineers, analysts, and Government stakeholders to translate mission requirements into software solutions.
• Develop secure, containerized applications using modern software engineering principles and cloud-native technologies.
• Integrate applications with relational databases, graph databases, messaging systems, and enterprise APIs to enable seamless access to mission data.
• Participate in Agile development activities, including sprint planning, technical design reviews, code reviews, and backlog refinement.
• Develop automated unit, integration, and regression tests while supporting CI/CD pipelines.
• Troubleshoot and resolve software defects, optimize application performance, and ensure scalability, reliability, and security.
• Produce and maintain software design documentation, API specifications, technical implementation guides, and operational documentation.
• Support AI/ML initiatives by developing software services that provide access to semantic data and enterprise analytics capabilities.
• Mentor junior developers and provide technical guidance to project team members.

Skills

U.S. Citizenship TS/SCI

Java/Python/C#/OO

RESTful APIs

Microservices

Databases (relational/graph)

Docker/Kubernetes/OpenShift

Agile/DevSecOps/CI/CD

Communication

Education

Advanced degree

Bachelor + 15 years experience

Tools

Docker

Kubernetes

OpenShift

Job description

Platinum Technologies seeks a Senior Developer to design, develop, and maintain mission-critical applications that support Object-Based Intelligence, enterprise ontologies, knowledge graphs, and semantic data integration. You will build secure, scalable software in an Agile DevSecOps environment.

Collaborating with ontology engineers, software developers, data engineers, and Government stakeholders, you will deliver APIs, services, and UIs that enable data interoperability, analytics, and