Senior Oracle Apex Developer Savantage SolutionsSenior Oracle Apex DeveloperRockville, MDRemote$75,000–$110,000 / yearp>Savantage Solutions is seeking a Oracle APEX Developer to join our core engineering team supporting Altimate, a proprietary Federal Financial Management System deployed for federal agency clients. Factors considered when extending an offer include but are not limited to, job responsibilities, education, experience, knowledge, skills, certifications, seniority, performance, and alignment with market data.
NewServiceNow Developer System OneServiceNow DeveloperFort Meade, MD$90 / hourIdentify trends and find patterns in unstructured and semi-structured customer data that can be used to create a more positive customer experience and increase overall network performance. Design and build ServiceNow Applications and integrations to other applications and platforms, including architecture, languages, best practices, and methodologies in an Agile Scrum environment.
Software Developer Associate General Dynamics Information TechnologySoftware Developer AssociateAnnapolis Junction, MD$66,602–$80,500 / yearA global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. We operate across 30 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development.
Junior NextGen Developer DCS CorporationJunior NextGen DeveloperCalifornia Maryland, MDRemote$73,160–$120,000 / yearDCS is seeking an experienced Junior Developer to join its teams developing exciting and modern Air Force and Navy next-generation mission planning software on an Agile/SAFe team. Contribute to software development as part of a team contributing to a multi-team, multi-organization enterprise using Scaled Agile Framework (SAFe).
Appian Software Developer/Integrator LeidosAppian Software Developer/IntegratorBethesda, MD$107,900–$195,050We integrate off the shelf and new development efforts to sustain and enhance existing architecture and by leveraging cloud-based computing, artificial intelligence (Al), machine learning (ML) and cross-domain transfer systems to provide cutting edge requirements management, task coordination, data exploitation, enrichment, triage, and analytics capabilities to Defense and Intelligence Community members. Leidos is designing, developing, deploying, and operating a DoD-wide Tasking, Collection, Processing, Exploitation, and Dissemination (TCPED) workflow management platform for Open Source Intelligence (OSINT).
Software Developer LeidosSoftware DeveloperGaithersburg, MD$69,550–$125,725If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . June 11, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Senior Software Developer LeidosSenior Software DeveloperGaithersburg, MD$107,900–$195,050If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . June 8, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
AI-Enabled Cyber Capabilities Developer Johns Hopkins Applied Physics Laboratory (APL)AI-Enabled Cyber Capabilities DeveloperLaurel, MD$105,000–$290,000It requires designing AI-native architectures, orchestrating tool-using agents, and rapidly iterating on prototypes that demonstrate functional, outcome-driven impact. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.
Reverse Engineer and Offensive Cyber Developer Johns Hopkins Applied Physics Laboratory (APL)Reverse Engineer and Offensive Cyber DeveloperLaurel, MD$100,000–$245,000The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges. We seek experienced reverse engineers and developers who will build inventive cyber capabilities leveraging novel reverse engineering and exploitation techniques.
Application Architect System OneApplication ArchitectBethesda, MD$170,000–$190,000 / yearWhile the Senior Application Architect partners closely with cloud, operations, data, and cybersecurity teams, the primary accountability is for application architecture and application design decisions, including ownership of RESTful services and application integration strategy from concept through implementation and long-term evolution. The Senior Application Architect works closely with engineering teams, product owners, operations, and security to design and guide the implementation of modern, reliable, and well-integrated application solutions.
NewWeb Developer (WordPress) BC ForwardWeb Developer (WordPress)California, CAFull timeWith delivery centers and offices across North America and India, we take pride in building long-term relationships and delivering excellence through innovation, collaboration, and integrity. BCforward is a leading global IT consulting and workforce solutions firm providing services and support to Fortune 500 and government clients.
NewSoftware Developer (CNO) System OneSoftware Developer (CNO)Fort Meade, MD$140,000 / hourSystem One, and its subsidiaries including Joulé, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Lead the designing, developing, documenting, testing, debugging, and maintenance of hardware or software based CNO capabilities.
NewSoftware Development Engineer JobotSoftware Development EngineerCape Saint Claire, MD$65–$80 / hourDevelopers at this level are building greater independence, taking ownership of small to medium-sized work items, and strengthening their core engineering skills across multiple application layers, including user interfaces, services, APIs, and data. Our teams include professionals across software engineering, product development, clinical informatics, research, and healthcare technology who share a commitment to reducing complexity and improving outcomes for patients and providers.
NewLead Security Engineer Dev Technology GroupLead Security EngineerSuitland, MD$120,000–$190,000 / yearAs a Washington Post Top Workplace award winner for the past THIRTEEN years in a row, the Top Workplaces USA for the past five years, and a recipient of the Companies As Responsive Employers (CARE) Award for the past six years, Dev Technology employees enjoy: Generous and flexible time-off policy. Collaborate with application developers, data engineers, systems engineers, and OIS to identify and mitigate vulnerabilities, and provide expert security consultation to development teams.
Principal Software Engineer (SWE-4) LeidosPrincipal Software Engineer (SWE-4)Annapolis Junction, MD$131,300–$237,350Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. Seeking an experienced and talented software developer to join an existing team that develops and manages software products and tools integral to discovering new mobile data related to the mission.
NewRadar System Engineer - Maritime and Next-Generation Radars Johns Hopkins Applied Physics Laboratory (APL)Radar System Engineer - Maritime and Next-Generation RadarsLaurel, MD$85,000–$195,000The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.
Software Developer Web Applications IV (Applications Developer) GAMA-1 TechnologiesSoftware Developer Web Applications IV (Applications Developer)Greenbelt, MDFull timeGAMA-1 is seeking a remote Software Developer Web Applications IV (Applications Developer) with experience in the research, design, and development of computer and network software or specialized utility programs. The Software Developer Web Applications IV (Applications Developer r) will analyze user needs, develop software solutions, update software, or enhance existing software capabilities.
Lead Application Developer / DTAM / (Hybrid) [Contingent] iWorks CorporationLead Application Developer / DTAM / (Hybrid) [Contingent]Silver Spring, MDRemote$140,000–$168,000 / yearFull timeThis effort supports the 2030 Census and American Community Survey (ACS) by modernizing and integrating applications and data systems, reducing technical debt and lifecycle costs, and enabling secure, scalable, near–real-time data processing and analytics. iWorks is supporting the Decennial Transformation and Application Modernization (DTAM) project, an initiative focused on transforming the U.S. Census Bureau's Decennial Census Programs into a modern, data-centric, cloud-smart IT environment.
Applications Developer - Level 3 CACIApplications Developer - Level 3Suitland, MarylandPay 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. The Applications Developer will be responsible for developing complex software solutions, ensuring code quality, and performing thorough debugging and testing.
Senior Application Developer Intelliforce-IT Solutions GroupSenior Application DeveloperAnnapolis Junction, MDFull timeThe work is investigative, hands-on, and closely tied to mission outcomes, with room to pursue opportunities that emerge through your own research while staying aligned to customer needs. You will reverse engineer network traffic and web applications, develop Python-based automation, and help integrate new technologies into operational systems.
Full-Stack Application Developer Tria FederalFull-Stack Application DeveloperCamp Springs, MDDesign and document modern application architectures, including web applications, microservices, APIs, data platforms, and cloud-native solutions using scalable, open-source technologies and design tools such as Lucidchart, Mural, or similar platforms. Experience with cloud-native technologies, including AWS certifications, Infrastructure as Code frameworks (Terraform, AWS CloudFormation, AWS CDK, Pulumi, or similar), containerized platforms, and advanced AWS services such as EMR and SageMaker.
Node-React Full Stack Web Application Developer - DHA Social Security AdministrationNode-React Full Stack Web Application Developer - DHAWoodlawn, MD$102,415–$133,142 / yearCustomer Service - Works with clients and customers (that is, any individuals who use or receive the services or products that your work unit produces, including the general public, individuals who work in the agency, other agencies, or organizations outside the Government) to assess their needs, provide information or assistance, resolve their problems, or satisfy their expectations; know about available products and services; and is committed to providing quality products and services. Oral Communication - Expresses information (for example, ideas or facts) to individuals or groups effectively, taking into account the audience and nature of the information (for example, technical, sensitive, controversial); makes clear and convincing oral presentations; listens to others, attends to nonverbal cues, and responds appropriately.
Lead Application Developer AnalyticaLead Application DeveloperBethesda, MDFull timeParticipate as a key member of an Agile team , contributing to the full software development lifecycle including requirements gathering, architecture, design, development, testing, and deployment. We work with U.S. government clients in health, civilian, and national security missions to build better technology products that impact our day-to-day lives.
Senior Applications Developer (Government) AT&T IncSenior Applications Developer (Government)Columbia, MD$98,100–$180,000 / yearBachelor's degree in System Engineering, Computer Science, Applied Science, Electrical Engineering, Math, Information Assurance, Information Security System Engineering, or related discipline from an accredited college or university, a developer nanodegree, or equivalent work experience, is required. They perform technical aspects of the ServiceNow implementation including: ServiceNow solution architecture, install, application UI, process automation, external integrations, access control, security hardening, workflow design/configuration, reporting, upgrades, and patching.
Senior Maximo Application Developer (IBM Maximo) Omniscius ConsultingSenior Maximo Application Developer (IBM Maximo)Ft. Meade, MarylandThe ideal candidate is a senior-level software professional with extensive experience customizing commercial off-the-shelf (COTS) enterprise applications, developing scalable solutions, and collaborating across engineering, infrastructure, cybersecurity, and customer teams. As the Senior Maximo Application Developer, you will serve as a technical leader responsible for designing, configuring, developing, and maintaining IBM Maximo-based applications supporting enterprise operations.
WEB APPLICATION DEVELOPER Excentium IncWEB APPLICATION DEVELOPERMDThe Web Application Developer will support the Air Force Review Boards Agency (AFRBA) Case Management Tracking Analysis and Reporting System (CMTARS) Operations and Maintenance program. This role is responsible for developing, maintaining, and enhancing the agency's public-facing web portal while ensuring seamless integration with the CMTARS application.
Application Developer EverwatchApplication DeveloperAnnapolis Junction, Maryland$55.28–$80 / hourYou leverage your expertise in Java, Spring Boot, Python, and modern software engineering practices to develop scalable, reliable solutions that enable seamless data exchange and user experiences. Compensation at EverWatch is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
WEB APPLICATION DEVELOPER Excentium, Inc.WEB APPLICATION DEVELOPERJoint Base Andrews, MDThe Web Application Developer will support the Air Force Review Boards Agency (AFRBA) Case Management Tracking Analysis and Reporting System (CMTARS) Operations and Maintenance program. This role is responsible for developing, maintaining, and enhancing the agency’s public-facing web portal while ensuring seamless integration with the CMTARS application.
Lead Application Developer Bart & Associates IncLead Application DeveloperSuitland, MDIn recognition of all these efforts, B&A has been named a Companies as Responsive Employers (CARE) award recipient by Northern Virginia Family Services and nominated by the Northern Virginia Chamber of Commerce for Outstanding Corporate Citizenship Award. We are seeking a Subject Matter Expert (SME)level Lead Application Developer to lead the design and development of new and modernized applications for the U.S. Census Bureaus Decennial Transformation and Application Modernization (DTAM) effort.
Web Application Developer Edgewater Federal Solutions, Inc.Web Application DeveloperGermantown, Maryland$110,000–$130,000 / yearFull timeRequires high proficiency and previous experience developing transactional web applications (UI/UX and web services) in Angular, Bootstrap, HTML/JavaScript, CSS, Servlets, Java, AJAX, XML, Spring Framework, JSP, Oracle SQL and PL/SQL. Edgewater Federal Solutions is ISO 9001, 20000-1, 270001 certified, appraised at CMMI Level 3 Maturity for Development and Services, and has been named in the Top Workplaces in the Greater Washington Area Small Companies for 2018 through 2025.
Lead Application Developer Revolutional, LLCLead Application DeveloperSuitland, MDThis role requires a technically hands-on leader who can drive delivery across modern cloud-native environments while working closely with architects, engineers, product teams, and external partners. We apply modern capabilities, including AI/ML, cloud, cybersecurity, and IT modernization to solve complex challenges, enable faster and more secure operations, and drive measurable mission outcomes.
Application Developer Lead (.NET) - (Remote) FEI SystemsApplication Developer Lead (.NET) - (Remote)Columbia, MarylandRemoteFEI Systems participates in E-Verify, a federal program that enables employers to verify the identity and employment eligibility of all persons hired to work in the United States by providing the Social Security Administration (SSA) and, if necessary, the Department of Homeland Security (DHS), with information from each new employee’s Form I-9 to confirm work authorization. At FEI Systems, we create innovative technology solutions to improve the delivery of health and human services because we know when cumbersome administrative processes stand in the way, those who need it most are often left without access to proper care and support.
Applications Developer - Level 3 CACI International IncApplications Developer - Level 3Suitland, MD$103,800–$218,100 / 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. The Applications Developer will be responsible for developing complex software solutions, ensuring code quality, and performing thorough debugging and testing.
COBOL Mainframe Application Developer KyndrylCOBOL Mainframe Application DeveloperMarylandKyndryl currently does not require employees to be fully vaccinated against COVID-19, however, if you are hired to work at a client, customer, or partner location, you may be required to show proof of vaccination to align with their respective COVID-19 vaccination policies. The ideal candidate will have a strong background in mainframe technologies and experience in designing, developing and maintaining COBOL applications integrating with front-end server-based applications.
COBOL Mainframe Application Developer Kyndryl IncCOBOL Mainframe Application DeveloperMD$115,080–$218,520 / yearKyndryl currently does not require employees to be fully vaccinated against COVID-19, however, if you are hired to work at a client, customer, or partner location, you may be required to show proof of vaccination to align with their respective COVID-19 vaccination policies. Preferred Skills and Experience: InterTest, Expediter debug tools, ServiceNow, Librarian source management, AWS Transform, GitHub Copilot, public sector experience.
Senior Application Developer Freedom Technology Solutions GroupSenior Application DeveloperAnnapolis Junction, MarylandWorking alongside experts in software engineering, cloud computing, DevSecOps, systems engineering, user experience, and enterprise platforms, you'll help modernize legacy systems, automate business processes, integrate commercial technologies, and deliver innovative solutions that improve efficiency, reduce costs, and enhance the user experience. Pega is a leading enterprise application platform used by major government agencies and Fortune 500 organizations to build workflow-driven applications, automate complex business processes, and modernize legacy systems.
Senior Application Developer 608 Freedom Technology Solutions GroupSenior Application Developer 608Annapolis Junction, MarylandThis role is ideal for a seasoned application developer with strong COTS enterprise system experience who can lead solution development efforts, mentor junior staff, and partner closely with customers and technical teams. Prior hands-on Maximo experience is not required ; however, experience working with complex COTS platforms is required , and the selected candidate must be comfortable quickly learning new tools and frameworks.
Senior Application Developer Belay TechnologiesSenior Application DeveloperFort Meade, MarylandSeveral factors influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, education, specific skills and competencies and certifications. We hire software engineers, web designers, test engineers, systems engineers, systems administrators, database engineers and other tech services.
Senior Application Developer - Reverse Engineer Belay TechnologiesSenior Application Developer - Reverse EngineerAnnapolis Junction, MDFull timeSeveral factors influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, education, specific skills and competencies and certifications. We hire software engineers, web designers, test engineers, systems engineers, systems administrators, database engineers and other tech services.
Lead Application Developer (SME) Onyx Government Services,LLCLead Application Developer (SME)Suitland, MDFull timeIn support of our various efforts, we have developed the Onyx Data Management Toolkit, a combination of Agile Development principles, COTS Integration, and custom software, to deliver flexible, cost-effective solutions to a variety of Department of Defense, Intelligence Community, and Law Enforcement agencies. We are seeking a Subject Matter Expert (SME)–level Lead Application Developer to lead the design and development of new and modernized applications for the U.S. Census Bureau’s Decennial Transformation and Application Modernization (DTAM) effort.
Senior Software Developer (Java/J2EE/Application Modernization) RHO Inc.Senior Software Developer (Java/J2EE/Application Modernization)Rockville, MDHands-On Design & Development: Collaborate with technical leads and work closely with other developers to design and implement migration patterns, reusable components, and reference code that support teams transitioning legacy Java/J2EE applications to AWS. AWS Service Integration: Select and integrate AWS services based on application needs, such as EC2/ECS/EKS for compute, S3 for storage, RDS for databases, API Gateway for APIs, and Lambda for event-driven processing.
Application Developer/Reverse Engineer Set of XApplication Developer/Reverse EngineerFt. Meade, MDFull timeWith a shared desire to give back, grow the community, and do great work, the Set of X team is building an elite group of engineers with a strong sense of shared responsibility and ownership. 12 years of experience with a B.S. in a technical discipline, or 10 years with an M.S. 4 years of additional software engineering experience may substitute for a B.S.
New.NET Application Developer ExpediteInfoTech, Inc.NET Application DeveloperRockville, MDOur clients include the US Department of Education, US Department of Transportation, US Department of Justice, US Department of Health & Human Services, Montgomery County government, Prince George's County Government, the governments of the State of Maryland and the District of Columbia. NET, JavaScript frameworks (e.g., Angular), Database technologies (SQL Server, MySQL), Python, Net, Entity Framework, GraphQL and REST APIs.
Manager Application Developer ASRC Federal Holding CompanyManager Application DeveloperBeltsville, MD$156,900–$185,900 / yearPosition requires experience, knowledge or coursework in each of the following skills: 1) 5 years of experience Microsoft .NET (C#), ASP.NET, and JavaScript; 2) 5 years of experience with Frontend web developer experience with HTML, CSS, JavaScript; 3) 4 years of experience generating high quality code; 4) 2 years of experience with Service-oriented architecture and web application/services development; and 5) 2 years of experience with Agile Development Methodology. Partner directly with other Software Developers, Technical Product Owners, Solution Architects and Customers to understand features and continuously identify opportunities to build and deploy quality software solutions.
Application Developer Visionist IncApplication DeveloperMD$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.
Application Developer 3 Bigbear.aiApplication Developer 3Columbia, MarylandFull timeOverview: BigBear.ai is seeking a Application Developer to join exciting, up-and-coming projects where you will design, develop, prototype, modify, and integrate solutions to deliver mission-centric results. This fast-paced and dynamic environment demands a flexible, highly motivated engineer with a strong desire to learn new skills and tackle evolving challenges that are critical to national security.
Application Developer (Backend) West 4th StrategyApplication Developer (Backend)Bethesda, MarylandEnsure backend services align with Government-approved security architectures including Zero Trust principles, FedRAMP Moderate baseline requirements, DoD IL4 Overlay requirements, and FIPS-validated encryption in transit and at rest. NDC serves as the Navy's ionizing radiation dosimetry center of excellence, providing naval commands worldwide with radiation dosimetry processing, consultation services, and comprehensive exposure recordkeeping in support of force health protection and regulatory compliance.
Applications Developer Dunhill Professional Search of Wilmington, Inc.Applications DeveloperGermantown, MD$100,000–$127,000 / yearFull timeApplications Developer/Engineer, highly proficient in leading and independently maintaining, developing, testing and delivering high quality, enterprise-wide solutions. Minimum QualificationsBachelor’s Degree in Computer Science, Information Systems or a related field or equivalent relevant experience.3-5 years of experience as a Java and.
Senior .NET/Application Developer (On-Site) Oxley Enterprises®, Inc.Senior .NET/Application Developer (On-Site)Silver Spring, MD$116,405–$130,190 / yearFull timeMinimum Education: Bachelors Degree in information technology, computer science, cybersecurity, engineering, or related field; Active certification meeting Cyber IT/Cybersecurity Workforce (CSWF)/Information Assurance Technician (IAT) Level II requirements (e.g., Security+ CE, CySA+, CND, GSEC, GICSP, SSCP) or a certification for DCWF 621 - Software Developer (e.g., CSSLP, CISSP, CISSP-ISSAP, CISSP-ISSEP, SecurityX/CASP+, SSCP). Above average experience supporting Graphical User Interface (GUI) development using various technologies (e.g., Visual Studio, NET MVC framework, Kendo UI, JavaScript, HTML, AJAX, ASP, CMS platforms, SQL Server, MySQL).
Junior Application Developer Freedom Technology Solutions GroupJunior Application DeveloperAnnapolis Junction, MarylandCollaborate within an Agile development team supporting and modernizing multiple business and financial enterprise applications, including a recently modernized Corporate Management Information System (CMIS). These applications are used across the government enterprise and are critical to the daily functions of thousands of users across acquisition, business, finance, HR, training, recruitment, program management, security, logistics and more.