ServiceNow Developer SME - TS/SCI w Polygraph Modern Government SolutionsServiceNow Developer SME - TS/SCI w PolygraphSterling, VAFull timeTITLE: ServiceNow Developer SMELOCATION: Sterling, VACLEARANCE REQUIRED: Active DoD TS/SCI with CI PolygraphEMPLOYMENT TYPE: Full-time, On-site POSITION SUMMARYModern Government Solutions (MGS) is seeking a ServiceNow Developer SME to play a key role in building and enhancing a modern cloud platform that supports digital engineering and mission-critical operations. You'll work at the center of a hub-and-spoke architecture with ServiceNow as the core, integrating customer tools and APIs, and enabling seamless workflows across Linux, Windows, and enterprise cloud environments.
Appian Security Developer - CLEARED The Squires GroupAppian Security Developer - CLEAREDArlington, VirginiaRemoteThis role will focus on implementing custom development, addressing cybersecurity requirements, and supporting security gap remediation efforts to help maintain compliance within a secure environment. Overview: The Squires Group is seeking an Appian Security Developer to support the development and security enhancement of an Appian-based process automation solution.
Application Developer Booz Allen HamiltonApplication DeveloperLaurel, MarylandOnsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. Salary at Booz Allen 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.
Appian Developers - Senior - CLEARED The Squires GroupAppian Developers - Senior - CLEAREDArlington, VirginiaRemoteOverview: The Squires Group is seeking two Senior Appian Developers to support the enhancement and completion of an existing Appian-based business process automation solution. Candidates will be responsible for custom application development, API integrations, testing, and implementing new requirements while collaborating closely with functional and technical teams in an Agile environment.
Agile Developer II Reflexive ConceptsAgile Developer IIAnnapolis Junction, MarylandThe Microservices Developer will be responsible for: Writing Java Spring Boot-based microservice applications utilizing AWS native technologies. Basic Qualifications: Bachelor’s degree from an accredited college in a related discipline, or equivalent experience/combined education.
Sr Full Stack Developer TheStaffedSr Full Stack DeveloperMcLean, VirginiaDesign and develop scalable Spring Boot microservices following REST API and cloud-native architecture principles; implement CRUD operations and business logic using MongoDB and Spring Data. Develop responsive, reusable UI components using Angular, TypeScript, HTML5, and CSS/SCSS; implement state management, reactive forms, and client-side validation for complex business applications.
ETL Developer LeidosETL DeveloperBethesda, Maryland$87,100–$157,450 / yearIntegrating with big data and cloud technologies: Seamlessly integrate NiFi with various databases, big data ecosystems, and cloud platforms (e.g., AWS, OCI, Azure), demonstrating familiarity in relevant services (e.g., Kafka, Elasticsearch, S3, SQS/SNS). The candidate will provide technical expertise and support in the design, development, implementation and testing of customer tools and applications in support of Extracting, Transforming and Loading (ETL) of data into an enterprise Data Lake.
Sr. Java Developer LeidosSr. Java DeveloperBethesda, Maryland$107,900–$195,050 / yearDocument and perform systems software development, including deployment of build artifacts across different environments leveraging GitFlow constructs and using industry leading DevOps tools like GitHub, Jenkins, and scripting (e.g., python, bash). Support the Agile software development lifecycle following Program SAFe practices while coordinating closely with team members, Product Owners and Scrum Masters to ensure User Story alignment and implementation to customer use cases.
Principal CNO Tool Developer (TS/SCI with Polygraph required) Red AlphaPrincipal CNO Tool Developer (TS/SCI with Polygraph required)Annapolis Junction, Maryland$190,000–$275,000 / yearOur total compensation package was strategically designed with our members in mind with the intention to: reward our members for their hard work and commitment to our customers' missions; allow members to share in Red Alpha's success as we continue to grow and expand our footprint; provide long-term career opportunities through stability and internal mobility; and provide the resources our members need to support themselves and their dependents in the form of a robust benefits package. A Bachelor’s degree in Computer Science or related discipline from an accredited college or university OR 4 years of additional software engineering experience on projects with similar software processes may be substituted for a bachelor’s degree.
Java Developer LeidosJava DeveloperBethesda, Maryland$87,100–$157,450 / yearDocument and perform systems software development, including deployment of build artifacts across different environments leveraging GitFlow constructs and using industry leading DevOps tools like GitHub, Jenkins, and scripting (e.g., python, bash). Support the Agile software development lifecycle following Program SAFe practices while coordinating closely with team members, Product Owners and Scrum Masters to ensure User Story alignment and implementation to customer use cases.
Java Developer (SME) LeidosJava Developer (SME)Bethesda, Maryland$154,050–$278,475 / yearDocument and perform systems software development, including deployment of build artifacts across different environments leveraging GitFlow constructs and using industry leading DevOps tools like GitHub, Jenkins, and scripting (e.g., python, bash). Support the Agile software development lifecycle following Program SAFe practices while coordinating closely with team members, Product Owners and Scrum Masters to ensure User Story alignment and implementation to customer use cases.
MarkLogic Developer (SME) LeidosMarkLogic Developer (SME)Bethesda, Maryland$154,050–$278,475 / yearAdditionally, based on a DevOps framework, you will participate in and/or direct major deliverables of projects through all aspects of the software development lifecycle, including scope and work estimation, architecture and design, coding, and unit testing. January 21, 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.
Full Stack Developer Booz Allen HamiltonFull Stack DeveloperChantilly, Virginia$69,400–$158,000 / yearOnsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. Salary at Booz Allen 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.
Highpoint Careers - Ai/Ml Full Stack Developer HighPoint GlobalHighpoint Careers - Ai/Ml Full Stack DeveloperWashington, DCHowever, 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 HighPoint's legal duty to furnish information. The role of the AI/ML Full Stack Developer has proven expertise in designing and developing scalable APIs, integrating AI/ML solutions, and building end-to-end applications in the AWS environment.
Angular UI Developer (TS/SCI w/ Polygraph required) Red AlphaAngular UI Developer (TS/SCI w/ Polygraph required)Herndon, Virginia$195,000–$265,000 / yearOur total compensation package was strategically designed with our members in mind with the intention to: reward our members for their hard work and commitment to our customers' missions; allow members to share in Red Alpha's success as we continue to grow and expand our footprint; provide long-term career opportunities through stability and internal mobility; and provide the resources our members need to support themselves and their dependents in the form of a robust benefits package. Our approach in determining final salaries takes into consideration a number of factors such as education, certifications, total years of relevant professional experience, actual level of expertise, and the responsibilities of the role itself.
Application Developer - Mid & Sr Nalley ConsultingApplication Developer - Mid & SrWashington, DCExperience developing and supporting applications anchored in Oracle, SQL Server, MySQL, and newer implementations, and different or emerging technologies, including cloud and AI. Nalley Consulting is a Service Disabled Veteran Owned Small Business working with prime partners to staff Department of Defense and Intelligence Community positions.
Senior Solution Engineer – ServiceNow & SharePoint Developer Far West FederalSenior Solution Engineer – ServiceNow & SharePoint DeveloperArlington, VAFull timeProgram OverviewThe DOS ESDA Program supports the U.S. Department of State, Global Acquisitions (GA) on a high-visibility modernization initiative consolidating fragmented governance, sourcing, and platform support into a unified Integrated EDSA Governance & Shared Services Team. This role is responsible for maximizing out-of-the-box capabilities, delivering secure and scalable configurations, leading modernization efforts, and supporting cross-platform integration within a lean, multi-skilled Shared Services team.
Appian Developer DAn SolutionsAppian DeveloperReston, VAFull timeCore ResponsibilitiesDevelop and maintain Appian applicationsBuild process models, interfaces, records, and reportsSupport requirements gathering and solution designIntegrate Appian with external systems and data sourcesTroubleshoot defects and support production issuesDocument technical solutions and support deployment activitiesCollaborate with project teams in an Agile environmentBasic QualificationsExperience with Appian developmentKnowledge of Appian SAIL, workflows, records, and rulesExperience with system integrations and APIsStrong communication and problem-solving skillsAbility to support full lifecycle development effortsPreferredAppian certificationsExperience in enterprise or government environmentsFamiliarity with SQL, REST/SOAP, and secure development practices REQUIRES AN ACTIVE/EXISTING TS/SCI WITH CI POLYGRAPH - NO REMOTE WORK, MUST WORK ON SITEWe are seeking an Appian Developer to support the design, development, and maintenance of workflow automation and business process management solutions.
Full Stack Software Developer (SMA 2) E LogicFull Stack Software Developer (SMA 2)Washington D.C., DCDocumentation: Maintain accurate, up-to-date technical documentation for all developed systems, including API documentation, data model diagrams, architecture decision records (ADRs), and developer setup guides. Quality Assurance: Write and maintain automated unit, integration, and regression tests for both back-end (pytest) and front-end (Jest, React Testing Library) code.
Web Developer Security Engineer (SMA 4) E LogicWeb Developer Security Engineer (SMA 4)Washington D.C., DCAutomation: Implement automation scripts for threat intelligence integration to optimize alert accuracy; leverage AI-assisted development tools (e.g., GitHub Copilot, OpenAI API/Codex) and scripting languages (Python, JavaScript/Node.js) to automate security monitoring and compliance audits. Vulnerability Lifecycle: Drive the end-to-end vulnerability lifecycle--integrating proactive threat modeling and advanced security assessments, ensuring remediation integrity through rigorous technical validation.