• Principal Java Developer

    Leidos (Reston, VA)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal ** ** Java Developer ** in our **National Security Sector's (NSS) Cyber & ... us and make a difference in National Security!** **Job Description** A Java developer on this program provides Agile development and operations and maintenance… more
    Leidos (05/16/25)
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  • Principal Full Stack Developer

    Leidos (Reston, VA)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal ** **Full Stack Developer ** in our **National Security Sector's (NSS) Cyber & ... and make a difference in National Security!** **Job Description** As a Full Stack Developer on this program, you will have the opportunity to build strong systems,… more
    Leidos (05/21/25)
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  • Principal Software Developer

    Themis Insight (Fort Meade, MD)
    …Public and Private, Civilian and Military expertise to every case. We are hiring a Principal Software Developer to work in Fort Meade, MD. Position location is ... for documentation of new or existing programs. The Level 3 Software Developer shall possess the following capabilities: + Use object oriented techniques, programming… more
    Themis Insight (07/02/25)
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  • Principal User Interface Developer…

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal User Interface Developer ** in our **National Security Sector's (NSS) Cyber & ... a mission-critical initiative with lasting impact. Leidos is seeking a highly skilled ** Principal User Interface (UI) Developer ** to join our growing application… more
    Leidos (06/03/25)
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  • Principal Software Developer

    General Dynamics Information Technology (Fairfax, VA)
    …10 + years of related experience **US Citizenship Required:** Yes **Job Description:** ** Principal Software Developer ** **We value:** + Writing code rather than ... meaningful impact. The ideal candidate will be proficient in Python/ Java or similar language; an expert in majority of...programming with at least one software programming language experience ( Java and/or Python) + Minimum of 10+ years of… more
    General Dynamics Information Technology (06/11/25)
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  • Principal Cyber Security Developer

    ManTech (Chantilly, VA)
    **ManTech** seeks a motivated, career and customer-oriented ** Principal Cyber Security Developer ** to join our team in **Chantilly, VA.** Principal Cyber ... include but are not limited to:** + Developing software applications using Java or other related programming languages + Developing backend software and user… more
    ManTech (07/04/25)
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  • Principal Analytic Software…

    ASM Research, An Accenture Federal Services Company (Fort Meade, MD)
    …and direction to the developers on the project in a senior developer capacity. Conceives, designs, and tests logical structure to meet program requirements. ... software systems to meet market and/or client requirements. Develops code using Java , C#, HTML, Javascript, or third generation programming languages. Writes, tests,… more
    ASM Research, An Accenture Federal Services Company (07/09/25)
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  • Principal Software Developer…

    Sunrun (Washington, DC)
    …purposeful and rewarding. **Position Overview:** The Security Automation Software Developer will focus on enhancing Sunrun's cybersecurity capabilities by automating ... automation or related areas. + Proficiency in programming languages such as Python, Java , or Go. + Experience with automation frameworks and tools (eg, Ansible,… more
    Sunrun (07/03/25)
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  • AI Software Developer

    ManTech (Chantilly, VA)
    **ManTech** seeks a motivated, career and customer-oriented **AI** **Software Developer ** to join our team in the **Northern VA area** . As part of the position, you ... will act as a senior principal consultant designing and implementing individual components of PaaS...and/or scripting languages such as JavaScript, Python, C++, or Java . + Experience with software development frameworks and tools… more
    ManTech (05/01/25)
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  • Sr. Principal Software Engineer

    BAE Systems (Mclean, VA)
    …your skills and grow in your career. We are looking for a **Senior Principal Software Engineer** to add their skills to our team supporting rapid prototyping ... system engineers including managing scope, requirements, and schedule + Experienced developer with strong coding, debugging, design and problem-solving skills +… more
    BAE Systems (06/11/25)
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