Greenfield Data SolutionsSenior Application Atlassian Developer/Engineer/Architect Greenfield Data SolutionsSenior Application Atlassian Developer/Engineer/ArchitectGermantown, MD$120,000–$130,000 / yearFull timeJob Description: Senior Applications Developer/Engineer, highly proficient in leading and independently maintaining, developing, testing and delivering high quality, enterprise-wide solutions. Required Experience: 10 Years+ experience: Designing, developing, testing, and maintaining custom Jira solutions .
PlanIT GroupNewSoftware Developer / Application Support PlanIT GroupSoftware Developer / Application SupportWashington, DCEffective verbal and written communication skills, especially for collaborating on mainframe integration with Java developers and migration planning. • Expereience with test automation in unit tests, functional tests, regression tests and performance tests.
TeleWorld SolutionsSoftware Developer (Full Stack/Backend) Intern TeleWorld SolutionsSoftware Developer (Full Stack/Backend) InternChantilly, VAInternWith the experience of hundreds of thousands of successful implementations, including macro, DAS, Small Cells, and Wi-Fi, the world’s leading network operators and OEMs trust our knowledge and experience to plan, perform, troubleshoot, and implement an array of technologies and solutions. This is a unique opportunity for a college student to gain hands-on experience working on an established, high-scale project, where you will contribute to real-world features that power global wireless networks.
Company ConfidentialJr. Software Developer Company ConfidentialJr. Software DeveloperVienna, VAFull timeThe ideal candidate will have a passion for technology, a strong desire to learn, and the ability to work collaboratively with our experienced development team. This internship provides an excellent opportunity for hands-on experience in software development within the context of government projects.
NuAxis InnovationsCloud Full-Stack Software Developer NuAxis InnovationsCloud Full-Stack Software DeveloperVienna, VA5+ years of in-depth working knowledge of ASP.NET Core using C#.NET, Angular/React, HTML5, CSS, JavaScript/TypeScript, and MS SQL Server, Identity. Experience deploying and managing applications using cloud services such as Azure App Services, Azure Functions, AWS EC2, Lambda, or containerized.
PlanIT GroupNewSoftware Developer PlanIT GroupSoftware DeveloperReston, VARemoteA degree from an accredited College/University in Software Engineering, Computer Science, or related discipline is preferred; Able to perform all functional duties independently; Experience training/mentoring less experienced personnel; Experience authoring or contributing to software-related documentation such as requirements specifications, design documents, technical manuals, and user manuals; Excellent communication skills. Expertise in Struts , Spring MVC, Git Bash, Java25, WebSphere , Tomcat, GitHub , GitHub Copilot, VersionOne , JUnit, JDBC, Maven ,ALM, UFT.
System OneSoftware Developer System OneSoftware DeveloperWashington, DC$140,000–$180,000 / yearThis role will work as part of the Sales Engineering team and engage directly with customers on-site, in a hybrid format, or remotely, as required by each customer, including the potential for occasional short-term travel to customer locations across the United States. Successful Software Developer's demonstrate competency in integrating advanced technologies into existing business processes, building new functionality, ensuring successful software deployments, and working closely with customers.
PlanIT GroupNewIT - Software Developer IV PlanIT GroupIT - Software Developer IVReston, VAEffective verbal and written communication skills, especially for collaborating on mainframe integration with Java developers and migration planning. • Experience with test automation in unit tests, functional tests, regression tests and performance tests.
Ariel PartnersNewSoftware Developer (C#.NET) Ariel PartnersSoftware Developer (C#.NET)Stafford, VAFull timeWe are looking for team members who share our values of: Integrity to do the right thing even when it hurts; Commitment to the long-term success and happiness of our customers, our people, and our partners; Courage to take on difficult challenges, accept new ideas, and accept incremental failure; and the constant pursuit of Excellence. Candidate will join a team of engineers, scientists, and domain experts taking this long-standing, successful project to the next level by implementing new features, improving automation, and incorporating DevOps and Agile practices.
NuAxis InnovationsSoftware Developer NuAxis InnovationsSoftware DeveloperWashington DC, DC2+ year of in-depth working knowledge of ASP.NET Core using C#.NET, Angular/React, HTML5, CSS, and MS SQL Server, Identity. Plan, design, build, test, deploy and maintain highly scalable web-based services using modern technologies.
General Dynamics Information TechnologySoftware 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.
PlanIT GroupNewServiceNow Developer PlanIT GroupServiceNow DeveloperWashington, DCServiceNow Application Development experience in two or more of the following areas: • Hands-on experience configuring and developing in ServiceNow, including form and field creation/updates (backend and/or Studio), Client Scripts, Business Rules, Catalog Items and scripting, group and role administration, flows (Flow Designer), notifications, email configuration, and scheduled jobs. ServiceNow Developer (Remote): Description: • ServiceNow Software Developer with minimum 4 years development experience in ServiceNow, • required CSA Admin certification, • strong oral and written communication skills and ability to leverage AI in their daily work.
Johns Hopkins Applied Physics Laboratory (APL)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.
System OneNewServiceNow Developer System OneServiceNow DeveloperFort Meade, MD$90–$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.
LeidosSalesforce Developer LeidosSalesforce DeveloperReston, VA$87,100–$157,450If 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. April 2, 2026For 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.
LeidosAI Software Developer LeidosAI Software 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. As a member of a Scaled Agile software development organization, you will contribute to the technical execution of a program that integrates proven, globally deployed technologies with modern cloud-native and AI-enabled capabilities.
LeidosLead DevSecOps Software Developer LeidosLead DevSecOps Software DeveloperGaithersburg, MD$87,100–$157,450As a member of a Scaled Agile software development organization, you will contribute to the technical execution of a program that integrates proven, globally deployed technologies with modern cloud-native and AI-enabled capabilities. If 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.
System OneNewSoftware Development V (SME Oracle APEX Developer) System OneSoftware Development V (SME Oracle APEX Developer)Washington, DCRemote$90.94–$90.94 / hourWork at the direction of the program manager to support the full lifecycle development of custom Oracle Applications, primarily using the Oracle APEX toolset. Provide support with PL/SQL, Java, Windows PowerShell, and Unix shell scripting with familiarity with built-in PLSQL packages and procedures.
LeidosNewSenior 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, 2026For 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.
eSolutionsFirst, LLCNewSr .Net Architect / Developer eSolutionsFirst, LLCSr .Net Architect / DeveloperVienna, VATemporaryContractorFull timeDeep expertise in Azure-native architectures: Azure Function Apps (isolated worker model), Azure SQL, Azure Service Bus, Azure AD / MSAL (OAuth2/OIDC). Architect real-time subsystems: SignalR hub for check-weigher events, Azure Service Bus Premium queuing for NAV output posting, and retry/dead-letter strategies.
LeidosSoftware Developer - Multiple Levels - TS/SCI Poly Required LeidosSoftware Developer - Multiple Levels - TS/SCI Poly RequiredReston, VA$87,100–$157,450If 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. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
LeidosLead Software Developer LeidosLead Software DeveloperGaithersburg, MD$87,100–$157,450The Terminal Flight Data Management (TFDM) program is a Federal Aviation Administration’s (FAA) NextGen program based on airport surface management that provides efficiency for both the airport surface and terminal airspace by providing a new and comprehensive integrated surface traffic control and management system. TFDM functions include Surface Collaborative Decision making (SCDM), departure scheduler and other airport decision tools Electronic Flight Data (EFD); Enhanced Air Traffic Control Tower (ATCT) Traffic Flow Management System (TFMS) Replacement or integration of multiple systems in the National Airspace System (NAS).
LeidosLead AI Software Developer LeidosLead AI Software DeveloperGaithersburg, MD$87,100–$157,450If 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. As a member of a Scaled Agile software development organization, you will contribute to the technical execution of a program that integrates proven, globally deployed technologies with modern cloud-native and AI-enabled capabilities.
LeidosSoftware Developer LeidosSoftware DeveloperOdenton, MD$87,100–$157,450As a key Agile scrum team member, the candidate will collaborate closely with software developers, systems engineers, network engineers, operations personnel, and partner scrum teams to deliver scalable and resilient integration, monitoring, and observability solutions supporting enterprise operational users and mission requirements. The selected candidate will serve as a hands-on developer focused on building, integrating, troubleshooting, and sustaining enterprise monitoring and data pipeline solutions leveraging the Elastic Stack (ELK) and Confluent Kafka platforms.
System OneNewSME Oracle APEX Developer System OneSME Oracle APEX DeveloperWashington, DC$89.50–$110 / hourWork at the direction of the program manager to support the full lifecycle development of custom Oracle Applications, primarily using the Oracle APEX toolset. Provide support with PL/SQL, Java, Windows PowerShell, and Unix shell scripting with familiarity with built-in PLSQL packages and procedures.
Capgemini Government Solutions LLCSenior ServiceNow Developer Capgemini Government Solutions LLCSenior ServiceNow DeveloperMcLean, VAHowever, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information. The disclosed range takes into account the wide range of factors that are considered in making compensation decisions including, but not limited to, geographic location, relevant education, qualifications, certifications, experience, skills, seniority, performance, sales or revenue-based metrics, and business or organizational needs.
Capgemini Government Solutions LLCServiceNow Developer Capgemini Government Solutions LLCServiceNow DeveloperMcLean, VAHowever, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information. The disclosed range takes into account the wide range of factors that are considered in making compensation decisions including, but not limited to, geographic location, relevant education, qualifications, certifications, experience, skills, seniority, performance, sales or revenue-based metrics, and business or organizational needs.
System OneNewData Developer System OneData DeveloperFalls Church, VA$90,000–$100,000 / hourResponsibilitiesSupport the delivery of client solutions using advanced analytics, exploratory data analysis, data wrangling, and ETL processes within a SAFe Agile environment. Derive insights from data and build robust data applications using analytics and coding tools (e.g., Python, R, Alteryx, SQL, SAS).
Global TechPro, LLCOracle Database Developer - Secret Cleared Global TechPro, LLCOracle Database Developer - Secret ClearedArlington, VAFull timeDatabase engineer with experience working closely with .NET software engineers for the development of search and ETL applications. Must have experience with Oracle GoldenGate and Oracle Advanced Queuing (AQ) or an ability to learn these skills quickly.
The Computer Merchant, LtdNewSME Oracle APEX Developer The Computer Merchant, LtdSME Oracle APEX DeveloperWashington, DC$90–$95 / hourContractorWhile an hourly range is posted for this position, an eventual hourly rate is determined by a comprehensive salary analysis which considers multiple factors including but not limited to: job-related knowledge, skills and qualifications, education and experience as compared to others in the organization doing substantially similar work, if applicable, and market and business considerations. - Work at the direction of the program manager to support the full lifecycle development of custom Oracle Applications, primarily using the Oracle APEX toolset.
PlanIT GroupNewFull Stack Developer PlanIT GroupFull Stack DeveloperRosslyn, VAWork with data scientists and analysts to rapidly design, implement, test, and deploy applications capable of tackling complex analytical tasks using large datasets. The selected individuals will need to live in the DC Metro area to report to HQ in Arlington, VA twice per month (a minimum of 2 days per 2-week period on average).
System OneServiceNow Developer Senior System OneServiceNow Developer SeniorLeesburg, VA$70–$90 / hourSystem One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Configure and customize ServiceNow including UI policies, business rules, client scripts, flows, catalog items, and update sets.
LeidosNewSalesforce Senior Developer LeidosSalesforce Senior DeveloperReston, VA$107,900–$195,050This role combines hands-on development with technical leadership, focusing on architecting and implementing scalable Salesforce solutions integrated with Amazon Connect, AI-driven capabilities, and third-party government systems. Required Education & Experience: Bachelor’s degree in IT or related field and a minimum of 8 years of relevant experience or or Masters with a minimum 6 of relevant experience, progressive experience in Salesforce development and architecture, including Federal program experience.
System OneWeb Content Developer System OneWeb Content DeveloperMerrifield, VA$48–$48 / hourSeeking knowledge of Adobe Target, Adobe Analytics, taxonomy, digital asset management, content management systems (CMS), search engine optimization (SEO), and online/digital metrics using industry best practices. Collaborate with Marketing and Digital staff and other internal business units/vendors to ensure timely/accurate implementation of digital content enhancements/requirements to support business needs and member experience.
SSN Group LLCSr PowerBuilder Developer SSN Group LLCSr PowerBuilder DeveloperHerndon, VATemporaryContractorFull timeThe ideal candidate will be responsible for designing, developing, and maintaining enterprise applications, integrating with FileNet, and collaborating with cross-functional teams in an Agile environment. Hi, PowerBuilder Developer with strong expertise in PowerBuilder 12.5+, Oracle/MySQL databases, and REST API integrations.
CSZNet, Inc.Drupal Developer CSZNet, Inc.Drupal DeveloperWashington, DC$60–$62 / hourFull timeThe Drupal Web Developer is responsible for designing, developing, maintaining, and enhancing web applications and digital platforms built on the latest versions of Drupal (Drupal 9/10/11). The developer collaborates closely with designers, content teams, product owners, and IT leadership to deliver modern, accessible, and high‑performing web solutions.
System OneApplication 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.
ADG TECH CONSULTING, LLCPython Developer ADG TECH CONSULTING, LLCPython DeveloperSterling, VAFull timeJob title: Python DeveloperLocation: Washington, DCClient: GSA Data.govClearance: Public Trust ClearanceOverview: We are looking for a Senior Backend Engineer to support federal software engineering efforts, primarily focused on operations and maintenance of Data.gov applications. The ideal candidate has strong Python and Flask experience, and is comfortable working in a dockerized development environment.
LeidosServiceNow Development Manager LeidosServiceNow Development ManagerLorton, VA$131,300–$237,350Leidos is seeking an experienced ServiceNow Software Development Manager, to join an internal service center group under the Digital Modernization Sector and the Repeatable Offerings organization, who will support ServiceNow self-hosted/on-prem implementations and best practices for our Federal Government customers. You will collaborate with a diverse workforce within a matrix environment and be able to communicate effectively by obtaining and synthesizing requirements from internal and external stakeholders, while working with the team to deliver a ServiceNow implementation that meets our customers’ needs.
Base One TechnologyNewApplications Developer - III Base One TechnologyApplications Developer - IIIArlington, VA$100,000–$150,000 / yearContractorSupporting a U.S. Government customer to provide support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, providing immediate investigation and resolution. Contract personnel perform investigations to characterize of the severity of breaches, develop mitigation plans, and assist with the restoration of services.
System OneServiceNow Consultant System OneServiceNow ConsultantLeesburg, VA$70–$90 / hourDevelop, configure, and maintain ServiceNow applications with emphasis on Service Catalogs and Request Workflows within ITSM and HRSD modules. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
Capgemini Government Solutions LLCServiceNow Architect Capgemini Government Solutions LLCServiceNow ArchitectMcLean, VAThe disclosed range takes into account the wide range of factors that are considered in making compensation decisions including, but not limited to, geographic location, relevant education, qualifications, certifications, experience, skills, seniority, performance, sales or revenue-based metrics, and business or organizational needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.
Company ConfidentialPlatform Developer Company ConfidentialPlatform DeveloperSpringfield, VA$90,501–$130,000Full timeOur workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals. This position is part of our Cyber and Intelligence division, which plays a critical role in supporting Enterprise-Level Security and Modernization efforts across IT infrastructure, cybersecurity, physical facilities, and personnel operations.
Company ConfidentialServiceNow Developers -Majestic 1 Company ConfidentialServiceNow Developers -Majestic 1Springfield, VA$76,164–$180,000Full timeDesired experience: Experience supporting; ServiceNow ITSM implementations, federal or regulated environments, platform governance and backlog management, user acceptance testing (UAT) and release validation. This position is part of our Cyber and Intelligence division, which plays a critical role in supporting Enterprise-Level Security and Modernization efforts across IT infrastructure, cybersecurity, physical facilities, and personnel operations.
Company ConfidentialDSCA .Net Core Developer (Software Engineer) - 28637 Company ConfidentialDSCA .Net Core Developer (Software Engineer) - 28637Arlington, VARemote$80,000–$150,000Full timeDetermines computer user needs; analyzes system capabilities to resolve problems on program intent, output requirements, input data acquisition, programming techniques and controls; prepares operating instructions; designs and develops compilers and assemblers, utility programs, and operating systems. 9 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD in related field; or High School Diploma or equivalent and 13 years relevant experience.
Company ConfidentialServiceNow Developer Company ConfidentialServiceNow DeveloperSpringfield, VA$76,164–$165,000Full timeThis position is part of our Cyber and Intelligence division, which plays a critical role in supporting Enterprise-Level Security and Modernization efforts across IT infrastructure, cybersecurity, physical facilities, and personnel operations. When extending an offer, HII's Mission Technologies division takes a variety of factors into consideration which include, but are not limited to, the role's function and a candidate's education or training, work experience, and key skills.
Company ConfidentialBI Developer/Analyst (Data Scientist 2) Company ConfidentialBI Developer/Analyst (Data Scientist 2)Fairfax, VA$94,750–$135,357Full timeHII - Mission Technologies is currently seeking a Junior BI Developer/Analyst to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platform designed to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. • Develops business intelligence components supporting War Data Platform (WDP) Core Integration data operations by preparing structured datasets, building baseline dashboards, and conducting routine analytic validation across Unclassified and NIPR, Secret and SIPR, and Top Secret and JWICS enclaves.
Dunhill Professional SearchJava Developer Dunhill Professional SearchJava DeveloperAnnapolis Junction, MD$92,000–$113,000 / yearProvides technical site maintenance and advice on moderately complex issues related to animation, search engine techniques, link integrity, navigation, browsers, graphics, and other technical web developments. Prepares functional specifications from which programs will be written and then designs, codes, debugs, and documents programs.
Company ConfidentialSharePoint Developer 3 MAJESTIC 1 Company ConfidentialSharePoint Developer 3 MAJESTIC 1Springfield, VA$95,880–$120,000Full time5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in realted field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience. Desired certifications or training: Formal SharePoint training or certifications such as Microsoft 365 Certified: Teamwork Administrator Associate, SharePoint Administrator Associate, or Microsoft Certified: Solutions Expert (MCSE) in Collaboration/SharePoint.
Company ConfidentialBusiness Developer- Remote (Business Development Rep 4)- 28463 Company ConfidentialBusiness Developer- Remote (Business Development Rep 4)- 28463Fairfax, VARemote$110,747–$170,000Full timeFive or more years of specific successful Business Development, Capture Management or Program Management experience within the defense or federal market areas including but not limited to: Acquisition, Global Logistics, Integrated Product Support, Modernization, Intelligence and Operations, Engineering Services and additional capability/market areas required to sustain manned and unmanned platforms. The ideal candidate should understand services type contract arrangements and acquisition life cycles, and understand the organizational structure and mission of the 11 Unified Combatant Commands in the Department of War, the Department of State, the Department of Homeland Security, the Federal Emergency Management Agency, and other FEDCIV agencies.