Cloud Software Engineer Top Secret/SCI w/Poly Peraton IncCloud Software Engineer Top Secret/SCI w/PolyAnnapolis Junction, MD$112,000–$179,000 / yearWhat You'll Do:• Design, develop, and maintain cloud-based software solutions• Support full lifecycle software engineering including design, integration, testing, and sustainment• Contribute to architecture and design reviews• Troubleshoot and resolve software and system issues• Support system enhancements, performance optimization, and reliability improvements• Collaborate with team members to review and refine software components• Assist in shaping technical approaches, timelines, and project scope. Peraton offers enhanced benefits to employees working on our critical National Security programs, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan.
NewSoftware Engineer - All Levels UnisitySoftware Engineer - All LevelsAnnapolis Junction, MarylandShe/he will provide software process management and control throughout the coding portion of the software development process and will promote code reuse and cross-program collaboration while reducing maintenance costs by creating common functions and shared actions for developers and testers. Experience with the following: Java Enterprise Edition (JEE) (i.e., EJB, JPA, JTA, JAX-B, JAX-RS, JAX-WS), SQL, application servers (Tomcat, WebLogic, JBoss), Spring framework, scripting.
Full Stack Java Developer Turning Point Global SolutionsFull Stack Java DeveloperRockville, Maryland$80,000–$100,000 / yearStrong working knowledge of AWS Cloud environments, including the AWS Console, EC2, Fargate, ECS, RDS, OpenSearch, S3 (including storage tiers), security groups, and firewall configurations. At Turning Point Global Solutions, our heritage of innovation and strong software engineering and services capabilities enables us to provide a full suite of mission-critical solutions in a timely and cost-effective manner.
Senior CNO Middleware Developer (TS/SCI with Polygraph required) Red AlphaSenior CNO Middleware Developer (TS/SCI with Polygraph required)Annapolis Junction, Maryland$165,000–$235,000 / 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.
Application Developer (SWE-2) LeidosApplication Developer (SWE-2)MarylandThe software engineer will work closely with data scientists and end users to develop innovative analytic tools to further discovery and tradecraft around critical global challenges, then deliver innovative solutions focused on operationalizing data science. Mission Focus : Work directly with data scientists as well as mission analysts to solve the most demanding strategic problems; perform software engineering to prototype, develop, integrate, test, deploy and maintain tools and tradecraft into the customer’s corporate architecture.
Application Developer BigBear.aiApplication DeveloperAnnapolis Junction, MDYou will bridge the gap between cutting edge research and real-world application, working alongside elite analysts, operators, and data scientists to deliver high-impact, scalable solutions. Collaborate Across Disciplines: Partner closely with cross-functional teams including operators, analysts, and external development shops to translate mission needs into robust software requirements.
CNO NetDev Developer 3 BigBear.aiCNO NetDev Developer 3Columbia, MDBigBear.ai is seeking a CNO NetDev Developer 3 to act as a general-purpose CNO reverse engineer for network-based devices on exciting, up-and-coming projects. Education & Experience: 12 years of experience with a B.S. or 10 years with an M.S. (4 additional years of software engineering experience may be substituted for a bachelor's degree).
Admitit Software Engineer CACI International Inc.Admitit Software EngineerHanover, MD$94,400–$198,200 / 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. Tasks include program management, mission support, software integration, software development, system engineering, migration, testing, documentation development, network and system monitoring, configuration control and release management.
Principal Cloud Software Engineer Envision Innovative SolutionsPrincipal Cloud Software EngineerAnnapolis Junction, MD$215,000–$250,000 / yearThe projected compensation range for this position is $215,000.00-$250,000.00.There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location, education and certifications as well as Federal Government Contract Labor categorie. • Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components.
Cloud Software Engineer Top Secret/SCI w/Poly PeratonCloud Software Engineer Top Secret/SCI w/PolyAnnapolis Junction, Maryland$112,000–$179,000 / yearFull timePeraton offers enhanced benefits to employees working on our critical National Security programs, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan. The engineer will work within a collaborative team environment, partnering with cross-agency stakeholders to design, develop, and sustain enterprise software capabilities in support of national security missions.
NewSoftware Engineer III Blue OriginSoftware Engineer IIIWashingtonand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs.
Web Developer Tecknomic LLCWeb DeveloperWashington, DC$48–$59 / 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 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).
Senior User Interface Developer - TS/SCI & Full Scope Polygraph - Hybrid in Annapolis Jct, MD Booker DiMaio, LLCSenior User Interface Developer - TS/SCI & Full Scope Polygraph - Hybrid in Annapolis Jct, MDAnnapolis Junction, MDCandidate will collaborate with systems and software engineers and other User Interface developers to design, develop, release, and support User Interfaces for multiple feature sets deployed within an enterprise workflow platform. Candidate will participate in User Experience (UX) analysis, design, and prototyping in order to maximize usability of developed User Interfaces.
Full Stack Developer ExpressionFull Stack DeveloperWashington, DCFounded in 1997 and headquartered in Washington DC, Expression provides data fusion, data analytics, AI/ML, software engineering, information technology, and electromagnetic spectrum management solutions to the U.S. Department of Defense, Department of State, and national security community. Expression was ranked #1 on the Washington Technology 2018's Fast 50 list of fastest-growing small business Government contractors and a Top 20 Big Data Solutions Provider by CIO Review.
Senior Full Stack Developer ExpressionSenior Full Stack DeveloperWashington, DCRemoteFounded in 1997 and headquartered in Washington DC, Expression provides data fusion, data analytics, AI/ML, software engineering, information technology, and electromagnetic spectrum management solutions to the U.S. Department of Defense, Department of State, and national security community. In this position, you will have opportunities to work with small, feature-focused teams to engineer solutions, mentor team members, and collaborate with our staff of data scientists, DevSecOps engineers, and product designers to contribute to our Agile development process.
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.
Software Engineer, DevSecOps HelsingSoftware Engineer, DevSecOpsWashingtonYou will own the security posture of our development environment — ensuring CMMC Level 2 compliance, hardening our software supply chain, and implementing the controls required for product teams to achieve ATO against NIST and other cybersecurity frameworks. You will work closely with platform and product engineers to build secure CI/CD pipelines, enforce policy-as-code, and maintain the shared infrastructure that all teams depend on.
NewSoftware Engineer V, Forward Deployed X Energy LLCSoftware Engineer V, Forward DeployedRockville, MD$195,000–$220,000 / yearThe Forward Deployed Software Engineer V drives enterprise‑wide adoption, effectiveness, and innovation of the APEX platform through advanced stakeholder engagement, technical leadership, and cross‑functional alignment. This role requires deep expertise in agentic AI workflows and the ability to guide teams in designing, deploying, and scaling AI‑native solutions across engineering, manufacturing, regulatory, and operational domains.
Software Engineer, Agent Platform Anduril Industries IncSoftware Engineer, Agent PlatformWashington, DC$220,000–$292,000 / yearExperience designing agent evaluation paradigms, including trajectory evaluations, LLM-as-judge workflows, task-success metrics, tool-call correctness checks, rubric-based qualitative grading, adversarial scenario testing, regression eval suites, and human-in-the-loop review. Design tooling that supports modern agent patterns, including structured tool calling, filesystem-using agents, memory and retrieval, planning loops, subagents, agent graphs, and human-in-the-loop workflows.
Software Engineer III, Forward Deployed X Energy LLCSoftware Engineer III, Forward DeployedRockville, MD$120,000–$145,000 / yearThe position combines stakeholder enablement responsibilities with hands-on product engineering work, ensuring that developed solutions address real-world engineering, manufacturing, regulatory, and deployment challenges. 3+ years of experience in customer-facing technical roles (solutions engineering, technical account management, developer relations, or similar).