Application Security Architect Alarm.comApplication Security ArchitectTysons, VA$158,050–$193,325 / yearWe collect and use those categories of Personal Information about you for human resources and other business management purposes, including identifying and evaluating you as a candidate for potential or future employment or future positions, recordkeeping in relation to recruiting and hiring, conducting criminal background checks as permitted by law, conducting analytics, and ensuring compliance with applicable legal requirements and Company policies. AI & LLM Security: Partner with teams adopting AI and LLM-based systems—both internal tooling and production features—to ensure secure design, model and data protection, prompt/input validation, and safe integration patterns.
Full Stack Software Developer, Hybrid Remote (DW26061053C) GTSC-Talent SolutionsFull Stack Software Developer, Hybrid Remote (DW26061053C)Washington, District of ColumbiaRemoteYour expertise and resume should demonstrate your background with Python, FastAPI, ReactJS, PostgreSQL, Docker, AWS, trunk-based development, peer review, automated testing, secure coding, Section 508, OpenAPI/Swagger, documentation, sprint delivery, and troubleshooting. Depending on the nature of the job duties or requirements set forth by our government clients, additional screenings such as drug testing and/or credit checks may be required.
Software Engineer (Level 0)- TS/SCI POLY Staffed4USoftware Engineer (Level 0)- TS/SCI POLYAnnapolis Junction, MarylandThis is an excellent opportunity for an early-career software engineer who is ready to contribute to meaningful projects, collaborate with experienced technical teams, and continue growing within a cleared software engineering environment. This position includes a competitive and flexible benefits package, including: Paid Time Off: PTO accrues at a rate of 13% of hours worked, which equals approximately 6 weeks, or 30 days, per year for a typical full-time employee.
Software Developer TS Parsons Commercial Technology Group Inc.Software Developer TSQuantico, VA$125,100–$225,200 / yearWe promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Familiarity with Software Development tools - IDEs such as Eclipse, IntelliJ, and Emacs, version control such as Git and Subversion, and bug tracking systems like Jira.
Senior DevSecOps Engineer - Active Top Secret required General Dynamics Information TechnologySenior DevSecOps Engineer - Active Top Secret requiredWashingtonTo ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We are seeking an experienced Senior DevSecOps Engineer who will work as part of a collaborative and high-performing team providing expertise to ensure integration of security best practices throughout the development and operations lifecycles.
Software Cyber ISSE (GitLab & RMF Focus) ParsonsSoftware Cyber ISSE (GitLab & RMF Focus)MarylandIn this role, you will play a key part in integrating cybersecurity best practices throughout the software development lifecycle, supporting compliance activities, and ensuring the security posture of critical systems for our Department of Defense (DoD) and Federal clients. Develop and maintain Risk Management Framework (RMF) documentation, including System Security Plans (SSPs), Security Assessment Reports (SARs), and Plans of Action & Milestones (POA&Ms).
Software Developer VISTASoftware DeveloperSpringfield, VA$150,000–$195,000 / yearSalary at VISTA 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. The SoftwareDeveloper will be responsible for the design, development, and maintenance of software applications supporting Technical Security and Signals Countermeasures (TSSC) operations and analysis.
Software Engineer (Mid-Senior Level) Staffed4USoftware Engineer (Mid-Senior Level)MarylandWe are seeking a Mid-to-Senior Level Software Engineer with at least 6 years of software development experience and a technical bachelor’s degree to support development efforts in Annapolis Junction, MD. Through flexibility, transparency, and strong support, we enable our team to thrive—fueling curiosity, creativity, and innovative solutions that truly serve their clients.
Kearney Activate - Full Stack Developer A.T. Kearney IncKearney Activate - Full Stack DeveloperWashington, DCBachelor's degree in Computer Science, Software Engineering, Computer Engineering, Information Systems, or a related field - or equivalent demonstrated experience (bootcamp, military technical training, or a strong personal project portfolio). We look for collaborative, inquisitive problem-solvers who don't accept the first thing in front of them, who are always unapologetically themselves, and who are hungry to grow fast in a small, high-trust team.
Principal HPC Software Engineer GliaCell TechnologiesPrincipal HPC Software EngineerAnnapolis Junction, MD$170,000–$260,000 / yearOr, a Master’s degree in Math, Computer Engineering, Computer Science, or related discipline from an accredited college or university, plus 5 years of experience as an HSE in programs and contracts of similar scope, type, and complexity. We also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat.
Lead Developer GuidehouseLead DeveloperMclean, VA$113,000–$188,000 / yearRelevant certifications such as: AWS Certified Developer, AWS Solutions Architect, or equivalent cloud certification; Certified Secure Software Lifecycle Professional (CSSLP) or equivalent secure development certification; SAFe Practitioner, SAFe DevOps, or Agile software delivery certification; ITIL, Security+, or other relevant federal IT, cybersecurity, or service management certification. You will work closely with federal stakeholders, architects, product owners, scrum masters, developers, testers, operations staff, security teams, IV&V partners, helpdesk partners, and modernization teams to design, build, troubleshoot, and deploy reliable, secure, scalable, and user-centered solutions.
CNO Software Developer with C and Python CymertekCNO Software Developer with C and PythonChantilly, VirginiaCNO Software Engineer, Network Security Software Developer, Network Operations Engineer, Cybersecurity Software Developer, C and Python Software Engineer, Systems Software Developer, Embedded Software Engineer, Security Systems Developer, Network Infrastructure Developer, Cyber Defense Software Engineer, etc. Computer Science, Cybersecurity, Network Engineering, Software Engineering, Information Technology, Computer Engineering, Electrical Engineering, Applied Mathematics, Information Systems, Data Science, Telecommunications, etc.
Software Developer QA Tester Cayuse HoldingsSoftware Developer QA TesterArlington, Virginia$110,000–$160,000 / yearCollaboration in Development Lifecycle: Actively participate in software design reviews to provide valuable input on functional requirements, operational characteristics, product designs, and project schedules. Software Testing and Quality Assurance: Develop and execute comprehensive test plans for both automated and manual testing to identify software defects and ensure compliance with requirements and specifications.
Software Developer Cayuse HoldingsSoftware DeveloperArlington, Virginia$110,000–$160,000 / yearThis position will require a detail-oriented problem-solver capable of analyzing software issues, collaborating on feature enhancements, and refining development processes while ensuring compliance with secure coding practices. Collaboration & Review: Participate in software design reviews and provide input regarding functional requirements, operational characteristics, product designs, and implementation schedules.
Java Full Stack Developer GuidehouseJava Full Stack DeveloperTysons Corner, Virginia$74,000–$124,000 / yearThe Java Full Stack Developer will collaborate with developers, architects, DevOps engineers, Product Owners, Scrum teams, business stakeholders, and Federal partners to deliver secure, scalable, and high-quality solutions supporting mission-critical applications and modernization initiatives. Proficiency with ReactJS, including React Hooks, Redux, React Router, component lifecycle management, state management, and modern front-end development practices, along with strong JavaScript skills including DOM manipulation and asynchronous programming.
iOS Vulnerability Engineer (Software) CymertekiOS Vulnerability Engineer (Software)Reston, VirginiaiOS Vulnerability Engineer (Software), Mobile Security Engineer, Application Security Engineer, iOS Security Researcher, Software Security Analyst, Mobile App Penetration Tester, Cybersecurity Engineer, iOS Exploit Developer, Vulnerability Analyst, Secure Software Engineer, etc. Computer Science, Cybersecurity, Software Engineering, Information Technology, Computer Engineering, Information Assurance, Mobile Application Development, Data Science, Network Security, Systems Engineering, etc.
Sr. Devsecops Engineer - Active Ts/Sci With CI Poly ENS Solutions, LLCSr. Devsecops Engineer - Active Ts/Sci With CI PolyReston, VAENS consults for the Department of Defense (DoD) and Intelligence Community (IC) providing innovative solutions in the core competency area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project Management, IT support, Solutions, and Services that yield enduring results. Architect and build secure containerized solutions by designing Docker images with security best practices, implementing and optimizing OpenShift deployments and configurations, remediating Prisma security findings, and providing guidance to development teams on container orchestration and best practices.
Senior Devsecops Engineer - Active Ts/Sci With CI Poly ENS Solutions, LLCSenior Devsecops Engineer - Active Ts/Sci With CI PolyReston, VAENS consults for the Department of Defense (DoD) and Intelligence Community (IC) providing innovative solutions in the core competency area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project Management, IT support, Solutions, and Services that yield enduring results. Architect and build secure containerized solutions by designing Docker images with security best practices, implementing and optimizing OpenShift deployments and configurations, remediating Prisma security findings, and providing guidance to development teams on container orchestration and best practices.
Senior Backend Software Developer Re:CarSenior Backend Software DeveloperWashingtonThe compensation for this position is the range Slate reasonably and in good faith expects to pay for the position taking into account the wide variety of factors that are considered in making compensation decisions, including job-related knowledge; skillset; experience, education and training; certifications; work location; and other relevant business and organizational factors. You drive awareness about the impact and consequences of technical decisions on the business, balancing technical leadership with strong business judgment to make the right long-term decisions about technology choices.
Senior Full Stack Developer Cayuse HoldingsSenior Full Stack DeveloperChantilly, Virginia$140,000–$142,085 / yearIntegrate software components and third-party services; develop new custom capabilities; and enhance, refactor, and maintain existing codebases to improve reliability, scalability, and performance. The ideal candidate has extensive experience delivering large-scale, enterprise-grade applications from initial concept through deployment, with a strong focus on quality, performance, security, and maintainability in an enterprise environment.