Ontology Software Developer (TS/SCI) MaxaarOntology Software Developer (TS/SCI)Herndon, Virginia$220,000–$242,000 / yearWorking 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.
Ontology Software Developer (TS/SCI) Vantor ServicesOntology Software Developer (TS/SCI)Herndon, Virginia$187,000–$205,700 / yearWorking 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.
PeopleSoft HCM,ELM Developer Lead Digital Management LLCPeopleSoft HCM,ELM Developer LeadWashington, DCWith a focus on end-to-end managed IT services, including managed mobility, cloud, cybersecurity, network operations, and application development, DMI supports public sector agencies and commercial enterprises around the globe. Comprehensive experience with HTML, Java, J2EE, JSP, Extensible Markup Language (XML), JavaScript, C++, and object‑oriented analysis and design; relational database programming; and administration of programming/application development systems.
NewPeoplesoft HCM/ELM Developer NFF IncPeoplesoft HCM/ELM DeveloperWashington DCNFF is a Cisco Gold Integrator Partner, Splunk Partner, Arista Partner, Cohesity Partner, Apptega Partner, NetApp Gold Partner, VMware Enterprise Partner, Alloterra Labs Partner, Axis Communications Partner, Asimily Partner, Signify Partner, Rapid7 Partner, Foresite Partner, Arctic Wolf Partner, Microsoft Certified Silver Partner, and Dell Solution Provider Partner. Experience designing, developing, and supporting integrations between PeopleSoft HCM/ELM and enterprise systems, including Maximo, UKG/Telestaff, Oracle Cloud applications, identity and access management solutions, and other workforce or operational systems.
Software Developer - Senior AmentumSoftware Developer - SeniorMarylandSkilled in data visualization and use of graphical applications, including Microsoft Office (Power BI) and Tableau; major data science languages, such as R and Python; managing and merging of disparate data sources, preferably through R, Python, or SQL; statistical analysis; and data mining algorithms. Data Management: Utilize Entity Framework (EF) Core, Code First, Migrations, and LINQ syntax to manage data interactions with SQL Server, including data insertion, querying, updating, and deletion.
Software Developer - Expert AmentumSoftware Developer - ExpertMarylandSkilled in data visualization and use of graphical applications, including Microsoft Office (Power BI) and Tableau; major data science languages, such as R and Python; managing and merging of disparate data sources, preferably through R, Python, or SQL; statistical analysis; and data mining algorithms. Data Management: Utilize Entity Framework (EF) Core, Code First, Migrations, and LINQ syntax to manage data interactions with SQL Server, including data insertion, querying, updating, and deletion.
Data Analyst GTTData AnalystOwings Mills, MD$30–$40 / hourThe Data Analyst I – GCIR Reporting Specialist supports reporting and data operations by coordinating updates to enterprise databases, validating data, and supporting reporting processes. This position works closely with senior management, technical teams, and business partners to ensure data accuracy, documentation quality, and reliable reporting outputs in a structured enterprise environment.
Python Developer_ Tysons, VA Georgia IT Inc.Python Developer_ Tysons, VATysons, VAQualifications At least 5 years' of hands-on Python software development experience with Bachelor's degree or 3 years' of hands-on Python software development experience with advanced degree in production-grade coding (not scripting). Diagnose and resolve defects, reduce technical debt, and drive continuous improvements to ensure alignment with software engineering best practices.
NewFull Stack Developer M9 SolutionsFull Stack DeveloperBethesda, Maryland$150,000–$164,000 / yearWith 15+ years of proven delivery and growth, M9 Solutions is a unique small business with credible past performance and key capabilities offering project management services, solution architects, business analysts, program managers, technical architects, and technical consultants. M9 Solutions is a proud participant in the Virginia Values Veterans (V3) program and supports the Military Medics and Corpsmen (MMAC) initiative, demonstrating our commitment to hiring and supporting veterans, transitioning service members, military spouses, and dependents.
Senior Software Engineer - Tools And Applications Visionist, Inc.Senior Software Engineer - Tools And ApplicationsLaurel, 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 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.
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.
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 and Network Analyst Tokio Marine HCCSenior Developer and Network AnalystFrederick, Maryland$87,400–$131,000 / yearSolid written and verbal communication skills with an emphasis on confidentiality, tact, diplomacy, and professionalism to communicate effectively with employees, adjusters, agencies, agents, the State Departments of Insurance, and the general public. Problem Resolution – Awareness of the need for problem resolution, the ability to identify and gather the critical resources needed to make a decision, and the facilitation skills to bring the group to an overall consensus.
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.
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, Virginia$220,000–$242,000 / yearWorking 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.