• Senior Backend Developer

    Insight Global (Vienna, VA)
    …Insight Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/. Skills and Requirements - senior level - TS cleared, will sit for ... Job Description The Sr. Developer is responsible for the design, documentation, development,...be Java Programmer Certified. * Must have Certified MarkLogic Developer OR obtain certification within first three months of… more
    Insight Global (11/06/25)
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  • Senior Software Developer

    Leidos (Reston, VA)
    …**Required clearance:** Candidates for consideration **must possess an active and in-scope** Top Secret clearance with the ability and willingness to obtain ... This position will be responsible for designing and developing browser-based applications, backend data ETL, 3D modeling, and AI integration. This position requires… more
    Leidos (09/21/25)
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  • Sr. Level Full Stack Developer ( TS

    IT Concepts (Washington, DC)
    …to research, test, build, and coordinate integration per government requirements. + The Senior Developer will be working with and coaching more junior developers ... and achieve extraordinary milestones. Kentro is hiring a qualified Full Stack Developer in support of our Defense Intelligence client in Washington, DC The… more
    IT Concepts (09/08/25)
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  • Software Developer Senior

    Amentum (Washington, DC)
    Amentum is searching for a Top Secret cleared Software Developer ( Senior ) to join our team in Washington, DC. As a Top Secret Software ... experience may be substituted for educational requirements **Clearance Required:** Top Secret with SCI eligibility **Minimum Education:**...and principles o Code quality and standardization practices * Backend : o .NET Framework 4o C# o F# o… more
    Amentum (09/25/25)
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  • API Java Python Developer , Senior

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **API Java Python Developer , Senior ** **Category:** Project Management **Main location:** United States, Virginia, Arlington **Position ID:** J0925-0420 ... Description:** CGI Federal has an exciting opportunity for an API/Java/Python Developer within our Intel sector, advancing the national security mission through… more
    CGI Technologies and Solutions, Inc. (09/06/25)
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  • Senior Full Stack Developer

    ManTech (Ashburn, VA)
    …prior to starting this position. + Must be eligible to obtain and maintain a Top Secret clearance. **Physical Requirements:** + Must be able to be in a ... **MANTECH** seeks a motivated, career and customer oriented ** Senior Full Stack Developer ** SME to...(including frameworks like Spring Boot, Jakarta etc.) for the backend and modern JavaScript frameworks (eg React, Angular, Vue.js)… more
    ManTech (11/03/25)
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  • UI/UX Developer (Multiple Levels)

    Noblis (Chantilly, VA)
    …and journey maps to optimize the user experience Required Qualifications + Active Top Secret ( TS ) clearance with eligibility for Sensitive Compartmented ... Program Increments (PIs) and Agile Release Train (ART) activities + Collaborate with backend teams to ensure seamless integration between UI and data services +… more
    Noblis (10/28/25)
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  • Software Developer , Mid

    Cayuse Holdings (Washington, DC)
    Developer , Mid will deliver functional modules of the new application under the Senior Developer 's guidance. They will contribute to all layers of the stack: ... backend APIs, frontend components, and database schema design. This...processes. + Experience supporting application deployments and upgrades. + Top Secret Clearance is required. + Must… more
    Cayuse Holdings (10/23/25)
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  • Senior Full Stack Software Developer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Full Stack Software Developer ** to join our team in **Chantilly, VA.** **Responsibilities ... releases and major upgrades to capabilities. + Maintaining the User Interface (UI), backend data connections, and the code base using industry best practices and… more
    ManTech (08/20/25)
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  • Full-Stack Developer with Poly Mid to Sr…

    Lockheed Martin (Annapolis Junction, MD)
    **Description:** **THE WORK** This senior role fosters collaboration with other senior engineers for the development of advanced data analytics solutions and ... or equivalent experience/combined education, with 9 years of professional experience\. * TS / SCI with Poly Candidate will provide software development support on a… more
    Lockheed Martin (10/10/25)
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  • Software Developer / Engineer

    Athenix Solutions Group, LLC (Mclean, VA)
    Software Developer / Engineer Mclean, VA (http://maps.google.com/maps?q=Mclean+VA+USA) *ACS Description Athenix Solutions Group is looking for Software Engineers in a ... + Working on Linux based systems using Redhat, CentOS, Rocky, etc. + Backend development and scripting of complex systems using languages like C++, Python, and… more
    Athenix Solutions Group, LLC (09/13/25)
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  • Senior Software Engineer (Hybrid)

    Huntington Ingalls Industries (Columbia, MD)
    …during the interview process. Job Description Enlighten is looking to hire exceptional Senior Backend Developers to join our high-impact engineering team. We ... Enlighten, honored as a Top Workplace from USA Today, is a leader...Citizenship required. Can also consider candidates with a current Secret or TS level clearance. + 9+… more
    Huntington Ingalls Industries (10/23/25)
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