May 29, 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. Pay Range $154,050.00 - $278,475.00
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary.
p>Work Environment, Physical Demands, and Mental Demands: Office environment with no unusual hazards, occasional lifting to 50 pounds, constant sitting while using the computer terminal, constant use of sight abilities while reviewing documents, constant use of speech/hearing abilities for communication, constant mental alertness, must possess planning/organizing skills, and must be able to work under deadlines.
Minimum Requirements (Knowledge, Skills, and Abilities):
Minimum of 4 years of experience collectively with the following:
- Developing, testing, and deploying back-end software in a widely used programming language such as Java, JavaScript, Go, Python, Typescript, and .NET.
p>The Senior Software Developer will design, code, test, debug, integrate APIs, support CI/CD pipelines, perform code reviews, resolve production issues, and apply secure coding practices throughout the software development lifecycle. This role requires a hands-on senior technical professional with experience developing enterprise applications, supporting Agile or DevSecOps delivery, troubleshooting application issues, and maintaining secure, high-quality code.
p>Clearance: Must possess and maintain an active TS/SCI w/Polygraph Education & Experience: 12 years of experience with a B.S. in a technical discipline or 4 additional years of experience in place of a degree Technical Expertise: Strong software engineering skills in one or more modern programming languages Experience with IDEs, developer tools, or build and test systems Hands-on experience with AI- or LLM-powered developer tools, including chat-based interfaces or automated coding agents Ability to prototype, evaluate, and refine experimental tooling Solid understanding of software development workflows and best practices. Tooling Development: Design and implement AI-assisted IDE and developer tooling capabilities Agent Integration: Integrate agent-based systems for repetitive developer tasks such as code reviews, unit test generation, and code quality analysis Experimentation: Experiment with autonomous or semi-autonomous agents to assist with development workflows Platform Integration: Integrate new tools into existing development platforms and pipelines Collaboration: Collaborate with customers and teammates to gather feedback and iterate on solutions Effectiveness Measurement: Measure and document the effectiveness of tooling improvements.
We embed small engineering teams with analysts to rapidly identify and solve mission capability gaps playing a critical role in defending our nation's cyber infrastructure & providing expertise in malware analysis, attribution, mapping adversarial infrastructure, pen testing, and operational planning. This premier program encompasses traditional software services including Systems Design and Engineering, Database Administration, Data Science and Knowledge Management, Enterprise Risk Management, Integration and Test, as well as Operations and Systems Support.
p>As a Senior Full Stack Software Developer/Engineer, you will perform as an individual contributor and team member focused on developing and refining a command-and-control platform used by a wide variety of stakeholders. Engage proactively with mission partners to understand operational use cases and convert high-level requirements into actionable features, work products, and technical specifications .
p>The Developer shall provide development expertise across the full application stack, including Python-based backend APIs (FastAPI), ReactJS-based front-end interfaces, PostgreSQL databases, and containerized deployments targeting AWS cloud infrastructure. Support deployment of containerized workloads to AWS environments (e.g., ECS, EKS, or equivalent managed services), working within existing cloud infrastructure patterns established by CBO''s infrastructure team.
We embed small engineering teams with analysts to rapidly identify and solve mission capability gaps playing a critical role in defending our nation's cyber infrastructure & providing expertise in malware analysis, attribution, mapping adversarial infrastructure, pen testing, and operational planning. This premier program encompasses traditional software services including Systems Design and Engineering, Database Administration, Data Science and Knowledge Management, Enterprise Risk Management, Integration and Test, as well as Operations and Systems Support.
p>About Palladium: Palladium works to design, develop and deliver positive impact on the lives and livelihoods of people around the globe; broaden access to health, water, power, and infrastructure; build enduring, sustainable, and transformative institutions and market systems to address global challenges; and conserve the natural world. The developer will work within an embedded agile team alongside Ona and Palladium engineers to support the build and configuration of a reference application, including community health workflows, analytics integration, and interoperability with national systems.
Springfield, VA30+ days ago
li>The Senior-Level Software Engineer is also responsible for including outcomes from RDT&E in the various ceremonies and events (e.g., Scrum, Sprint Planning, Sprint Review/ Demo, Backlog Grooming, Retrospective, etc.), and supports the creation, maintenance, quality, and timely delivery of all Contract Deliverables (i.e., CDRL''s 001 - 017).
Pay 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.
p>You will be responsible for analyzing and resolving highly complex software issues related to multiple aspects and components of the system; collaborate with other experts within the program and in the user community to design, develop, and debug existing software, and to design and develop enhancements that incorporate new capabilities into various components of the existing systems; provide technical leadership for software development activities as a member of an agile team and will actively participate in program increment planning and related team activities. Preferred Qualifications:
Experience with the following: JEE, SQL, application servers (Tomcat, WebLogic, JBoss), scripting; experience with high level requirements management including requirements decomposition, secure systems engineering and development, trade-off analysis, interface control, and testing and continuous integration.
Bethesda, Maryland4 days ago
p>Pay 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. CACI is seeking a highly motivated and independent Software Developer to support an Intelligence Community (IC) customer focused on improving cross IC code sharing and enterprise software efficiency.
The 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.
Chantilly, VA30+ days ago
p>VTG is seeking a Software Developer for a technical development program supporting the Sponsor's Access Management Program. The Software Engineer will work with a small team of developers, software engineers, and data engineers.
Subject areas differ widely over time, but our current projects focus on improving the exploitation of airborne and ground based sensor data through object tracking, multi-sensor correlation, data management, and operational data display as well as on intelligent networks, resilient autonomy, and non-kinetic warfare integration. • Completed coursework or internships involving complex software development, particularly in the areas of object oriented programming, database design, signal processing, artificial intelligence, machine learning, data visualization, and user interfaces.
p>As an SAP MDG Technical Developer, this role will be responsible for: • Collaborating with the implementation team: The developer will work in tandem with other team members, including business analysts, project managers, and quality assurance specialists, to create effective SAP MDG solutions. The OneLM Transformation (1LMX) program, the largest internal program ever undertaken by the company, will support this future through desired transformational business outcomes by re-engineering our business processes with a focus on commonality, interoperability, and a better stakeholder experience so our business runs like a well-oiled machine.
Laurel, Maryland17 days ago
div class="job__description body">We are seeking a React Software Developer for one of our PRIME CONTRACTS that offers exciting opportunities to support essential services and mission critical activities across the enterprise and the opportunity to Telework one day a week! As soon as an employee enters a customer facility, they touch one of these applications which are critical to the daily functions of thousands of users across acquisition, business, finance, HR, training, recruitment, program management, security, logistics and more.
strong>To learn more about life at Sky Solutions, visit our Careers page:
McLean, Virginia4 days ago
Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events at.
Total Rewards at GDIT:.
Washington, District of Columbia30+ days ago
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Tactical Network Modeling (TNM) is a network emulation and modeling environment for virtual field testing multi-path, mesh, and advanced networking protocols across all operational domains; from space to seabed.
Required Qualifications: - Bachelor’s Degree in Engineering, Math, Computer Science, or Network Engineering.