• Senior Software Developer

    TekSynap (Springfield, VA)
    **Responsibilities & Qualifications** **RESPONSIBILITIES** The Senior -Level Software Developer is a highly skilled professional responsible for designing, ... drive successful software development projects. The Contractor shall provide Senior -Level Software Developer services, working alongside the Government… more
    TekSynap (08/21/25)
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  • Senior Software Developer

    General Dynamics Information Technology (Patuxent River, MD)
    …Yes **Job Description:** Seize your opportunity to make a personal impact as a Senior Software Developer supporting the Naval Air Warfare Center Aircraft ... Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** Software...career. At GDIT, people are our differentiator. As a Senior Software Developer , you will… more
    General Dynamics Information Technology (09/03/25)
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  • Senior Software Developer

    CACI International (Bethesda, MD)
    Senior Software Developer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee ... CACI is seeking a highly motivated and independent Expert Software Developer for our Intelligence Community (IC)...(with both new and legacy systems) Qualifications: Required: * TS /SCI w/Poly clearance * Bachelor's degree and 8+ years… more
    CACI International (11/15/25)
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  • Senior Software Developer

    World Wide Technology (Chantilly, VA)
    …to form high-performance teams? Come join WWT today! We are looking for a ** Senior Software Developer ** to support our Managed Service Provider (MSP) ... systems. **Place of Performance:** Chantilly, VA **What will you be doing?** Software developer for a classified Intelligence Community Managed Service Provider… more
    World Wide Technology (11/15/25)
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  • Senior Software Developer

    V2X (Chantilly, VA)
    **Description** We are recruiting for a Senior Software Developer to design and develop complex new software products and make significant enhancements ... Engineering or IT field **Experience:** + Java development experience + Experience with software development and/or data systems + Active TS /SCI with Poly… more
    V2X (10/31/25)
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  • Senior Software Developer

    ManTech (Herndon, VA)
    **ManTech** seeks a motivated, career and customer-oriented ** Senior Software Developer ** to join our team in **DC, Maryland, and Virginia (DMV) area** . In ... this role you will research, design, develop, and test operating systems-level software , compilers, and network distribution software . You will set operational… more
    ManTech (11/18/25)
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  • Senior Software Developer

    ManTech (Herndon, VA)
    **ManTech** seeks a motivated, career and customer-oriented ** Senior Software Developer ** to join our team in the **DC, Maryland, and Virginia (DMV) area** . ... In this role you will develop, create, and modify general computer applications software or specialized utility programs. You will analyze user needs and develop … more
    ManTech (08/22/25)
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  • Senior Software Developer

    Leidos (Tampa, FL)
    **Description** We're looking for an experienced ** Senior Software Developer ** to join our growing team. The ideal candidate is a strong full-stack engineer ... 10+ years of professional software development experience. + Active Top Secret Required /SCI (or Eligible) + Bachelor's in IT, Cybersecurity, Computer… more
    Leidos (10/30/25)
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  • Senior Software Developer

    Parsons Corporation (Chantilly, VA)
    …**Job Description:** Parsons is seeking a highly motivated, self-directed professional for a ** Senior Software Developer ** role. The ideal candidate will ... + Excellent communication and collaboration skills. **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required for… more
    Parsons Corporation (11/14/25)
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  • Senior Software Application…

    Koniag Government Services (Winchester, VA)
    …Koniag Government Services company, is seeking a Senior Software Application Developer with a Top - Secret clearance to support ATS and our government ... Jenkins and GitLab Runner + Working Knowledge with Docker **Clearance Requirement:** + Top Secret clearance required **Office Location and Travel:** + The… more
    Koniag Government Services (10/15/25)
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  • Senior Software Engineering…

    DCCA (Broomfield, CO)
    …package. Visit our website at: www.dcca.com Senior Software Engineering Developer Candidates MUST have an active TS /SCI Clearance For over 40 years, ... Senior Software Engineering Developer ... Senior Software Engineering Developer Location Broomfield, CO...providing our clients with unrivaled services starts with retaining top talent, something we're able to do through our… more
    DCCA (08/22/25)
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  • Software Developer ( Senior )

    Competitive Range Solutions, LLC (Fort Meade, MD)
    …challenging, exciting projects in a collaborative, congenial environment. We are seeking a Senior Software Developer to contribute to the technical design, ... professionals, system engineers, and mission planners. Required Qualifications: + Active Secret Clearance: TS preferred. + Education: + Bachelor's degree… more
    Competitive Range Solutions, LLC (11/06/25)
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  • Senior Front End Software

    CACI International (Sterling, VA)
    Senior Front End Software Developer /Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: ... software development framework. **The Opportunity:** As a senior developer on this dynamic program; you...Sterling, VA or Aurora, CO + Clearance: Must have TS /SCI with CI poly (or be willing to take… more
    CACI International (09/23/25)
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  • Senior Full Stack Software

    CACI International (Sarasota, FL)
    Senior Full Stack Software Developer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular ... End: 10/17/2026 **The Opportunity:** As an experienced full stack software developer on a long-standing program supporting...Sterling VA, Sarasota FL or Aurora, CO + Clearance: TS /SCI with CI poly (or be willing to take… more
    CACI International (10/18/25)
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  • Software Developer Senior

    General Dynamics Information Technology (Fort Belvoir, VA)
    …Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** Software Engineering **Skills:** ... Description:** Deliver simple solutions to complex problems as a Software Developer , Senior at GDIT....(GXPN), Reverse Engineering Malware (GREM) + Security Clearance Level: TS /SCI + US Citizenship Required + Location: Hybrid-Ft. Belvoir,… more
    General Dynamics Information Technology (08/22/25)
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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 ... of experience may be substituted for educational requirements **Clearance Required:** Top Secret with SCI eligibility **Minimum Education:** Bachelor's Degree… more
    Amentum (09/25/25)
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  • Senior Modeling and Simulation…

    Parsons Corporation (Huntsville, AL)
    …systems, gun-based defense systems, and mobile ground and air platforms. The Software Developer will support and potentially lead team activities focusing ... Parsons is seeking a talented **_Senior Modeling and Simulation Software Developer_** to join our diverse team supporting the...Secret clearance** with the ability to obtain a Top Secret / SCI clearance with Counterintelligence… more
    Parsons Corporation (11/18/25)
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  • Software Developer ( Senior )

    Cintel Inc (Huntsville, AL)
    Job Title: Software Developer ( Senior ) Location: Huntsville, AL Position Type: Full-Time Position Overview: We are seeking a skilled Software ... problem-solving skills. + Strong written and verbal communication skills. + Active Top Secret security clearance (required). Preferred Skills: + Experience with… more
    Cintel Inc (09/17/25)
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  • Software Developer - Senior

    CACI International (Fairfax, VA)
    Software Developer - Senior Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee ... seeking a highly motivated, self-directed professional to fill a Software Developer role in Chantilly, VA, to...AWS, RDS, and file-based storage systems. Required Qualifications: ACTIVE TS /SCI with Polygraph * A master's degree in Computer… more
    CACI International (10/29/25)
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  • Software Developer , Senior

    Cayuse Holdings (Washington, DC)
    **Overview** The Software Developer , Senior will lead the design and development of the new application. This role will design and implement backed APIs ... USD $120,000.00 - USD $132,000.00 /Yr. Submit a Referral (https://careers-cayuseholdings.icims.com/jobs/2974/ software - developer %2c- senior /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834356743) **Can't find the right… more
    Cayuse Holdings (10/23/25)
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