Mid to Senior UI/UX Developer (TS/SCI with Polygraph required) Red AlphaMid to Senior UI/UX Developer (TS/SCI with Polygraph required)Annapolis Junction, Maryland$180,000–$250,000 / 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 Bachelors of Science degree in Computer Science or a related discipline from a accredited institution OR 4 additional years of experience in lieu of a degree may be considered.
HVAC Project Developer Daikin Applied AmericasHVAC Project DeveloperWashington DC, MarylandYou will have the ability to make an impact and shape your career with a company that is passionate about growth along with the support of an organization that believes it is vital to include and engage diverse people, perspectives, and ideas to achieve our best. 8+ years of progressive experience in commercial HVAC, mechanical construction, design-build, estimating, project development, or project management.
ServiceNow Developer LeidosServiceNow DeveloperReston, VirginiaJuly 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. •One of the following active certifications or the ability to obtain within one month of hire: ServiceNow Certified Application Developer, ServiceNow Certified System Administrator, ServiceNow Certified Implementation Specialist, or other ServiceNow certification.
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.
Full-Stack Linux Cyber Application Developer Booz Allen HamiltonFull-Stack Linux Cyber Application DeveloperHerndon, VirginiaOnsite : 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. Experience researching and implementing COTS cyber solutions software such as antivirus, content disarm, cross domain solutions, or data loss prevention.
Software Developer, Lead Booz Allen HamiltonSoftware Developer, LeadUsa, 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.
Senior Software Developer (Clearance Required) NoblisSenior Software Developer (Clearance Required)Reston, Virginia$146,200–$228,400 / yearFull timeCompensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract-specific affordability, organizational requirements and applicable employment laws. You will work alongside a multidisciplinary team of developers, data scientists, subject matter experts, and cyber analysts to design and build new applications, enhance existing systems, and integrate emerging technologies.
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.
Web Developer, Mid Booz Allen HamiltonWeb Developer, MidMcLean, Virginia$55,200–$126,000 / 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.
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.
Software Developer CisiveSoftware DeveloperMarylandWin Together: We break down barriers, share knowledge, and champion teamwork across departments, brands, and global offices to achieve our collective goals. Customer Obsessed: We go beyond transactional interactions to become trusted partners in risk mitigation and workforce management.
Digital Consulting Associate, Salesforce Omni Developer Huron Consulting ServicesDigital Consulting Associate, Salesforce Omni DeveloperWashington DCThis individual will work through Huron in a multi partner delivery environment, collaborating closely with client stakeholders, partner teams, and cross functional technical resources to design, build, enhance, and sustain Salesforce based solutions. This role will support a federal civilian space sector client in a complex, mission driven environment focused on application modernization, platform enhancement, secure service delivery, and long term operational excellence.
Senior Software Developer LeidosSenior Software DeveloperGaithersburg, Maryland$107,900–$195,050 / yearThis work aligns with the FAA’s broader initiative to modernize legacy flight service capabilities, replacing aging infrastructure with scalable, cloud-based platforms designed to improve safety and operational efficiency—particularly in remote and high-dependency aviation environments. Leidos is seeking Senior Software Developers to join the Air Traffic Business Area within the Homeland Sector, supporting the development of next-generation flight service and air traffic systems.
Sr. Appian Software Developer LeidosSr. Appian Software DeveloperWashington DC, District of ColumbiaJune 29, 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. Experience with API development and design and development of robust system integrations (REST/SOAP APIs, microservices) connecting Appian with disparate federal agency databases and legacy systems.
Lead Developer – AI/ML Recommendation Allegis GroupLead Developer – AI/ML RecommendationHanover, Maryland$101,100–$172,100 / yearFull timeWe're looking for engineers who bring fresh ideas from all areas, including information retrieval, distributed computing, large-scale system design, networking and data storage, security, artificial intelligence, natural language processing; the list goes on and is growing every day. Collaborate cross-functionally with product, data science, platform, enterprise architecture, and operating-company stakeholders to align technical solutions with business priorities.
Azure Cloud Developer, Mid Booz Allen Hamilton Inc.Azure Cloud Developer, MidFort Belvoir, VA$69,400–$158,000 / yearOur cloud service broker team is looking for a developer with a good understanding of Microsoft Azure cloud infrastructure, containerization, and networking to make new cloud capabilities available in secure environments. Onsite: 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.
OpenText Content Server Developer Booz Allen HamiltonOpenText Content Server DeveloperRockville, 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.
App Developer Engineer Viper Staffing ServicesApp Developer EngineerReston, VirginiaYou will be responsible for creating and modifying computer application software or specialized utility programs. Previous experience in software development, computer engineering, or other related fields.
Front End Application Developer LeidosFront End Application DeveloperSuitland, MarylandYou will provide support to help our Navy customer with a new enterprise Production and Dissemination system, which includes the migration of backend systems into a new modern environment as well as the development/customization of a new enterprise-wide web interface/application. August 14, 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.