Senior Ontology Developer (TS/SCI) VantorSenior Ontology Developer (TS/SCI)Herndon, VirginiaWorking 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. 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.
Hmgp Engineer-Powerbuilder Developer CACI International Inc.Hmgp Engineer-Powerbuilder DeveloperNational Harbor, MD$86,600–$181,800 / yearPay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. About the Role:We are seeking an experienced PowerBuilder Developer to design, develop, maintain, and support enterprise applications built using PowerBuilder technologies.
NewPrincipal SQL Developer Macpower Digital Assets Edge Private LimitedPrincipal SQL DeveloperWashington, DC$152,000–$163,000 / yearJob Summary: Provide technical leadership to design, develop, optimize, and secure enterprise data platforms supporting analytics and critical business applications for a public sector healthcare finance environment. Strong experience delivering analytics platforms and enterprise apps using SQL, SSRS, SSIS, SSAS, Azure Data Factory, Databricks, Python, and DAX.
Software Engineer/JAVA Developer :: Washington, DC (Remote) ARK Solutions, Inc.Software Engineer/JAVA Developer :: Washington, DC (Remote)Washington, DCRemoteTechnical Skills Strong Java development experience, including object-oriented programming, backend services, and integration workflows. Delivery & Process Skills Experience working in Agile/Scrum environments, participating in sprint ceremonies, backlog refinement, and story estimation.
API Developer ATR, LLCAPI DeveloperMerrifield, Virginia$110,000–$120,000 / yearFull timeTroubleshoot Complex Technical Issues: Diagnose and resolve application issues that span application code, API layers, database performance, integration failures, and infrastructure. We are looking for a US-resident developer who will design, build, and maintain the API layer that connects our internal Oracle 19c database to our modern (Angular) user interface.
Senior Developer Platinum TechnologiesSenior DeveloperHerndon, VirginiaWorking 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. 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.
Ontology Software Developer (TS/SCI) VantorOntology Software Developer (TS/SCI)Herndon, VirginiaWorking within an Agile DevSecOps environment, the Software Engineer collaborates with ontology engineers, database engineers, data scientists, and Government stakeholders to deliver secure, high-performance applications that leverage Semantic Web technologies and AI/ML capabilities. This position develops scalable applications, APIs, and microservices that integrate ontology-driven data models, knowledge graphs, and enterprise data sources to support Object-Based Intelligence workflows.
NewSr. Software/Web Developer (AOA-SWD-000) KentroSr. Software/Web Developer (AOA-SWD-000)Springfield, Virginia$160,000–$170,000 / yearFull timeUse COTSopen source, freeware (Python, JavaScript, AngularJS, JavaScript frameworks, Django, Model Glue, etc.), HTML, CSS, SQL, database (MySQL, etc.), and SharePoint to support systems and associated applications located in test and operational environments in support of line of business functions: Assess the functionality and data storage capability. Support production teams made up of analysts, data stewards, geospatial and imagery analysts, database engineers, data scientists, multimedia specialists, graphic designers, 3d designers, and editors to develop modern web conveyance products for special intelligence topics.
System Architect / Tech Lead LeidosSystem Architect / Tech LeadMarylandThe successful candidate will provide overall technical direction and architectural ownership for an assigned BAS enterprise application program (e.g., NED, NEES, ITAS, SAAVI, FOIA, NIH Web Services, FMG Apps, or Web Apps), implementing system architecture using modern engineering best practices while leading the contractor technical team responsible for that system. Engage the CIT Architecture Review Board (ARB) process early in the planning phase for modernization initiatives, major enhancements, cloud migration efforts, and new development, preparing and presenting architectural documentation and incorporating ARB feedback into the Architecture Plan and Software Design Document prior to implementation.
Project Manager – Application Development LeidosProject Manager – Application DevelopmentMarylandThe successful candidate will serve as the Government's single point of contact for an assigned BAS enterprise application program (e.g., NED, NEES, ITAS, SAAVI, FOIA, NIH Web Services, FMG Apps, or Web Apps), owning the planning, execution, control, and direction of prime and subcontractor personnel performing programmatic and technical work under the assigned Task Area(s), and ensuring delivery is consistent with technical, cost, and schedule requirements. Lead technical and functional teams — including business analysts, software engineers, database developers, and test engineers — to document, design, develop, test, and validate systems through successful implementation across the full Enterprise Performance Life Cycle (EPLC) / Systems Development Life Cycle (SDLC).
Software Engineer (Java, AWS, Linux) CymertekSoftware Engineer (Java, AWS, Linux)Annapolis Junction, MarylandComputer Science, Software Engineering, Information Technology, Computer Engineering, Data Science, Systems Engineering, Network Engineering, Information Systems, Cloud Computing, Applied Mathematics, etc. Software Engineer, Java Developer, AWS Cloud Engineer, Linux Systems Developer, Backend Developer, Full Stack Developer, Cloud Software Engineer, Systems Engineer, DevOps Engineer, Application Developer, etc.
Lead Developer, Senior Nationwide IT ServicesLead Developer, SeniorWashington, DC, DCFull timeThe Senior Lead Developer will collaborate closely with the Program Manager, Technical Lead / Solution Architect, Government stakeholders, cybersecurity personnel, business analysts, and DevSecOps engineers to support application modernization, cloud migration, operations and maintenance, and the development of new enterprise capabilities. Through mediation, arbitration, conflict prevention, and collaborative training programs, FMCS helps improve communication and cooperative problem-solving while administering labor relations programs under federal law to support stable, productive workplaces nationwide.
Software Developer Bridge Core (BCore)Software DeveloperChantilly, Virginia$190,000–$230,000 / yearFull timeBcore accelerates decisive advantage for warfighters and intelligence professionals by fusing human insight, rapid-fire engineering, precision-measured outcomes, and relentless grit into mission-ready solutions. Responsibilities: You will be part of a team of developers that are building a new application that utilizes LLM to convert data and access policies from a variety of sources and formats into a uniform format for compliance assessment.
Software Engineer (Ai-Assisted Developer Tooling) Visionist, Inc.Software Engineer (Ai-Assisted Developer Tooling)Laurel, MD$170,000–$240,000 / yearWe embed small engineering teams with analysts to rapidly identify and solve mission capability gaps playing a critical role in defending our nation's cyber infrastructure & providing expertise in malware analysis, attribution, mapping adversarial infrastructure, pen testing, and operational planning. This premier program encompasses traditional software services including Systems Design and Engineering, Database Administration, Data Science and Knowledge Management, Enterprise Risk Management, Integration and Test, as well as Operations and Systems Support.
Software Developer LeidosSoftware DeveloperChantilly, VirginiaExperience with Public Key Infrastructure (PKI) and understand key concepts like digital certificates, Certificate Authorities (CAs), Registration Authorities (RAs), key management practices, cryptographic algorithms, certificate revocation procedures, and trust models. Leidos is seeking a Software Developer for a 200+ FTE technical development program supporting the Sponsor's Enterprise PKI System as well as IdAM IICAM, Authentication, Authorization, Attributes and Digital Policy Management.
Junior Application Developer (Reverse Engineer) Visionist, Inc.Junior Application Developer (Reverse Engineer)Fort Meade, MD$95,000–$155,000 / yearWe embed small engineering teams with analysts to rapidly identify and solve mission capability gaps playing a critical role in defending our nation's cyber infrastructure & providing expertise in malware analysis, attribution, mapping adversarial infrastructure, pen testing, and operational planning. This premier program encompasses traditional software services including Systems Design and Engineering, Database Administration, Data Science and Knowledge Management, Enterprise Risk Management, Integration and Test, as well as Operations and Systems Support.
Application Developer Visionist, Inc.Application DeveloperFort Meade, MD$160,000–$240,000 / yearWe embed small engineering teams with analysts to rapidly identify and solve mission capability gaps playing a critical role in defending our nation's cyber infrastructure & providing expertise in malware analysis, attribution, mapping adversarial infrastructure, pen testing, and operational planning. This premier program encompasses traditional software services including Systems Design and Engineering, Database Administration, Data Science and Knowledge Management, Enterprise Risk Management, Integration and Test, as well as Operations and Systems Support.
Netdev Developer Visionist, Inc.Netdev DeveloperFort Meade, MD$135,000–$195,000 / yearWe embed small engineering teams with analysts to rapidly identify and solve mission capability gaps playing a critical role in defending our nation's cyber infrastructure & providing expertise in malware analysis, attribution, mapping adversarial infrastructure, pen testing, and operational planning. This premier program encompasses traditional software services including Systems Design and Engineering, Database Administration, Data Science and Knowledge Management, Enterprise Risk Management, Integration and Test, as well as Operations and Systems Support.
Senior .Net Developer AnnexaSenior .Net DeveloperWashingtonRequired Skills: 15+ years of experience developing enterprise applications using Microsoft technologies within a distributed (n-tier) architecture. Leverages excellent written and verbal communication skills to develop new business process and programming solutions as directed by business and technical stakeholders.
5Years Power Platform Developer - Hybrid - Inperson interview GoIntellects5Years Power Platform Developer - Hybrid - Inperson interviewWashington, District of Columbia$61–$65 / hourReplies within 24 hours Role: Power Platform Developer Client: DC Government Location: Washington, DC Job Description: The Power Platform Developer is responsible for designing, developing, and implementing business solutions using Microsoft's Power Platform suite, including Power Apps, Power Automate and Power BI. Create custom applications using Power Apps to meet specific business needs, including designing user interfaces, workflows, and data integrations.