{"schemaVersion":"jobsearcher.job.v1","id":"33586a63d4ccffe038a7a12e","url":"https://jobsearcher.com/jobs/33586a63d4ccffe038a7a12e","canonicalUrl":"https://jobsearcher.com/jobs/33586a63d4ccffe038a7a12e","title":"Senior Developer","description":"Who we are.\n\nPlatinum Technologies is a Northern Virginia based integrated solutions firm that specializes in Cybersecurity, Cloud and Digital Services to the Public Sector. Our team solves hard problems and helps our Mission Partners achieve their goals. If you are self-motivated, possess demonstrated learning agility, and are passionate about delivering high-quality work products – we want to hear from you.\n\nWe lead with technical expertise, but that is just the tip of the iceberg – the ‘Why’ matters. At Platinum, we don’t hire people to do a job. We provide professional and leadership development to complement our self-motivated domain experts. Our teammates are dot-connecting leaders that operate in a mutually accountable environment to deliver thought leadership, expert technical analysis, and quality execution for our clients.\n\nThis position requires an active U.S. Government Security Clearance at the TS/SCI level with CI polygraph.\n\nYou.\n\nPlatinum Technologies is seeking a Senior Developer to join our team. In this position you will design, develop, and maintain mission-critical applications that support Object-Based Intelligence (OBI) mission requirements, enterprise ontologies, knowledge graphs, and semantic data integration.\n\nThe Senior Developer serves as a senior technical contributor responsible for developing secure, scalable, and maintainable software solutions that enable semantic data integration, object management, and advanced analytics. This position develops application services, APIs, user interfaces, and backend components that leverage enterprise ontologies, knowledge graphs, and Semantic Web technologies to support data interoperability and mission workflows. Working within an Agile DevSecOps environment, the Senior Developer collaborates with ontology engineers, software engineers, database engineers, data engineers, and Government stakeholders to deliver high-quality software that supports operational mission requirements.\n\nWhat you get to do.\n\nDesign, develop, test, deploy, and maintain enterprise software applications supporting Object-Based Intelligence mission requirements.\nDevelop scalable backend services, RESTful APIs, and user-facing applications that integrate with ontology services, knowledge graphs, semantic databases, and enterprise data platforms.\nImplement software solutions utilizing Semantic Web technologies, including RDF, OWL, and SPARQL, to support semantic search, data integration, and knowledge discovery.\nCollaborate with ontology engineers, database engineers, data engineers, analysts, and Government stakeholders to translate mission requirements into software solutions.\nDevelop secure, containerized applications using modern software engineering principles and cloud-native technologies.\nIntegrate applications with relational databases, graph databases, messaging systems, and enterprise APIs to enable seamless access to mission data.\nParticipate in Agile development activities, including sprint planning, technical design reviews, code reviews, and backlog refinement.\nDevelop automated unit, integration, and regression tests while supporting continuous integration and continuous deployment (CI/CD) pipelines.\nTroubleshoot and resolve software defects, optimize application performance, and ensure application scalability, reliability, and security.\nProduce and maintain software design documentation, API specifications, technical implementation guides, and operational documentation.\nSupport AI/ML initiatives by developing software services that provide access to semantic data, contextual knowledge, and enterprise analytics capabilities.\nMentor junior developers and provide technical guidance to project team members while supporting knowledge transfer activities with Government personnel.\n\nRequired Skills.\n\nMust be a U.S. citizen and have an active TS/SCI with CI polygraph.\nMinimum ten (10) years of experience and an advanced degree or 15 years of experience with a bachelor's degree.\nDemonstrated experience developing enterprise software applications using Java, Python, C#, or comparable object-oriented programming languages.\nExperience developing RESTful APIs, microservices, and distributed applications.\nExperience integrating applications with relational databases, graph databases, or enterprise data platforms.\nExperience with containerization technologies such as Docker and Kubernetes/OpenShift.\nFamiliarity with Agile software development methodologies, DevSecOps practices, CI/CD pipelines, and Git-based version control.\nAbility to communicate complex technical concepts effectively to technical and non-technical stakeholders.\n\nThe Company is an Equal Opportunity/Affirmative Action employer. All qualified candidates will receive consideration for employment without regard to disability, protected veteran status, race, color, religious creed, national origin, citizenship, marital status, sex, sexual orientation/gender identity, age, or genetic information.\n\nWe may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.","company":"Platinum Technologies","rawCompany":"platinum technologies","city":"Reston","state":"VA","isRemote":false,"isActive":false,"createdAt":"2026-08-04T10:31:27.995Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Developer","description":"Who we are.\n\nPlatinum Technologies is a Northern Virginia based integrated solutions firm that specializes in Cybersecurity, Cloud and Digital Services to the Public Sector. Our team solves hard problems and helps our Mission Partners achieve their goals. If you are self-motivated, possess demonstrated learning agility, and are passionate about delivering high-quality work products – we want to hear from you.\n\nWe lead with technical expertise, but that is just the tip of the iceberg – the ‘Why’ matters. At Platinum, we don’t hire people to do a job. We provide professional and leadership development to complement our self-motivated domain experts. Our teammates are dot-connecting leaders that operate in a mutually accountable environment to deliver thought leadership, expert technical analysis, and quality execution for our clients.\n\nThis position requires an active U.S. Government Security Clearance at the TS/SCI level with CI polygraph.\n\nYou.\n\nPlatinum Technologies is seeking a Senior Developer to join our team. In this position you will design, develop, and maintain mission-critical applications that support Object-Based Intelligence (OBI) mission requirements, enterprise ontologies, knowledge graphs, and semantic data integration.\n\nThe Senior Developer serves as a senior technical contributor responsible for developing secure, scalable, and maintainable software solutions that enable semantic data integration, object management, and advanced analytics. This position develops application services, APIs, user interfaces, and backend components that leverage enterprise ontologies, knowledge graphs, and Semantic Web technologies to support data interoperability and mission workflows. Working within an Agile DevSecOps environment, the Senior Developer collaborates with ontology engineers, software engineers, database engineers, data engineers, and Government stakeholders to deliver high-quality software that supports operational mission requirements.\n\nWhat you get to do.\n\nDesign, develop, test, deploy, and maintain enterprise software applications supporting Object-Based Intelligence mission requirements.\nDevelop scalable backend services, RESTful APIs, and user-facing applications that integrate with ontology services, knowledge graphs, semantic databases, and enterprise data platforms.\nImplement software solutions utilizing Semantic Web technologies, including RDF, OWL, and SPARQL, to support semantic search, data integration, and knowledge discovery.\nCollaborate with ontology engineers, database engineers, data engineers, analysts, and Government stakeholders to translate mission requirements into software solutions.\nDevelop secure, containerized applications using modern software engineering principles and cloud-native technologies.\nIntegrate applications with relational databases, graph databases, messaging systems, and enterprise APIs to enable seamless access to mission data.\nParticipate in Agile development activities, including sprint planning, technical design reviews, code reviews, and backlog refinement.\nDevelop automated unit, integration, and regression tests while supporting continuous integration and continuous deployment (CI/CD) pipelines.\nTroubleshoot and resolve software defects, optimize application performance, and ensure application scalability, reliability, and security.\nProduce and maintain software design documentation, API specifications, technical implementation guides, and operational documentation.\nSupport AI/ML initiatives by developing software services that provide access to semantic data, contextual knowledge, and enterprise analytics capabilities.\nMentor junior developers and provide technical guidance to project team members while supporting knowledge transfer activities with Government personnel.\n\nRequired Skills.\n\nMust be a U.S. citizen and have an active TS/SCI with CI polygraph.\nMinimum ten (10) years of experience and an advanced degree or 15 years of experience with a bachelor's degree.\nDemonstrated experience developing enterprise software applications using Java, Python, C#, or comparable object-oriented programming languages.\nExperience developing RESTful APIs, microservices, and distributed applications.\nExperience integrating applications with relational databases, graph databases, or enterprise data platforms.\nExperience with containerization technologies such as Docker and Kubernetes/OpenShift.\nFamiliarity with Agile software development methodologies, DevSecOps practices, CI/CD pipelines, and Git-based version control.\nAbility to communicate complex technical concepts effectively to technical and non-technical stakeholders.\n\nThe Company is an Equal Opportunity/Affirmative Action employer. All qualified candidates will receive consideration for employment without regard to disability, protected veteran status, race, color, religious creed, national origin, citizenship, marital status, sex, sexual orientation/gender identity, age, or genetic information.\n\nWe may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.","datePosted":"2026-08-04T10:31:27.995Z","dateModified":"2026-08-04T10:31:27.995Z","hiringOrganization":{"@type":"Organization","name":"Platinum Technologies","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Reston","addressRegion":"VA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"33586a63d4ccffe038a7a12e"},"url":"https://jobsearcher.com/jobs/33586a63d4ccffe038a7a12e"}}