• Java Developer

    Leidos (Bethesda, MD)
    …enhancement, using Java, JavaScript, Python, SpringBoot, Hibernate + Developing and directing software system validation and testing methods using Junit and ... has a new and exciting opportunity for a **Java Developer ** in our **National Security Sector's (NSS) Cyber &...implementation to customer use cases + Document and Perform systems software development, including deployment of build… more
    Leidos (08/08/25)
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  • ETL Java Developer

    Leidos (Bethesda, MD)
    …HTML, CSS, JavaScript, Java, Python, SpringBoot, and Hibernate. + Develop and direct software system validation and testing methods using Junit and Katalon. + ... us and make a difference in National** **Security!** **Job Summary** This ETL Java Developer SME role is supporting support mission-critical systems in an Agile… more
    Leidos (08/02/25)
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  • Senior. Platform Developer Onsite

    RTX Corporation (Aurora, CO)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with Polygraph At Raytheon, the foundation of everything we do is rooted ... a safer, more secure world. As a **Senior Platform Developer ** , you will herald a transformative era in...** , you will herald a transformative era in software engineering, one that underscores the integration of development… more
    RTX Corporation (07/23/25)
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  • Database Developer

    Athenix Solutions Group, LLC (Chantilly, VA)
    …modern databases consistent with the Sponsor's business data strategy. The Database Developer shall provide support for deployment packaging, system maintenance ... Software Development Lifecycle process. Requirements + Active Clearance: TS /SCI with Polygraph?is required. + Demonstrated experience utilizing Oracle and… more
    Athenix Solutions Group, LLC (07/24/25)
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  • MarkLogic Developer (SME)

    Leidos (Bethesda, MD)
    …CSS, JavaScript, Java, Angular, Python, SpringBoot, and Hibernate. + Develop and direct software system validation and testing methods using Junit and Katalon. + ... has a new and exciting opportunity for a **MarkLogic Developer SME** in our **National Security Sector's (NSS) Cyber...You will have the opportunity to build and maintain systems , software , and cloud environments, while providing… more
    Leidos (08/02/25)
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  • Python Developer

    ManTech (Fort Meade, MD)
    …role, you will develop, maintain, and enhance complex and diverse software systems (eg, processing-intensive analytics, novel algorithm development, manipulation ... system resource, or interface constraints. Will design, develop and modify software systems , using scientific analysis and mathematical models to predict and… more
    ManTech (09/20/25)
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  • Python Developer

    ManTech (Fort Meade, MD)
    …role, you will develop, maintain, and enhance complex and diverse software systems (eg, processing-intensive analytics, novel algorithm development, manipulation ... system resource, or interface constraints. Will design, develop, and modify software systems using scientific analysis and mathematical models to predict and… more
    ManTech (07/17/25)
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  • Junior Web Developer

    GliaCell Technologies (MD)
    …isn't the place for you. We Make It Happen! GliaCell Technologies focuses on Software & System Engineering in Enterprise and Cyber Security solution spaces. We ... An active or rein-statable TS /SCI with Polygraph security clearance is REQUIRED. Please...provide technical expertise that assists in sustaining critical mission-related software and systems to a large government… more
    GliaCell Technologies (09/26/25)
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  • Mid-Level Hardware in the Loop (HWIL) Simulation…

    Amentum (Crane, IN)
    …US Government Clearance. Please note US Citizenship is required to obtain a Secret / TS /SCI Clearance. **Preferred Qualifications:** + Experience with HWIL or LVC ... programs across a broad range of domains. We are hiring a Mid-Level HWIL Developer to support key programs at NSWC Crane. This position will be based on-site… more
    Amentum (09/22/25)
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  • Mid CNO Application Developer

    Belay Technologies (Fort Meade, MD)
    …the following skills: + Familiar with Unix based systems . + Produce and modify software systems in C/C++/Python. + Provide support for fielded software ... in 2021! Belay Technologies is seeking a CNO Application Developer (CNO Tactical Developer ) to join our...DoD, as well as state-of-the-art commercial products. We hire software engineers, web designers, test engineers, systems … more
    Belay Technologies (10/06/25)
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