• 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 (05/02/25)
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  • Java Developer Principal

    SAIC (Ashburn, VA)
    …**Position Overview** We are currently seeking a motivated, career and customer-oriented ** Java /JEE Developer ** **(Senior Level)** to join our team to begin ... + Design, implement, and unit test REST microservices with Java , Spring, and JUnit + Develop web applications with...+ XML/JSON + SQL + JPA/Hibernate + 8+ years Java web application development required **Desired Skills and Experience:**… more
    SAIC (05/01/25)
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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 (02/19/25)
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  • UI Developer Principal

    SAIC (Ashburn, VA)
    **Description** **Position Summary** We are currently seeking a skilled UI Developer to join our front-end development team. In this role, the candidate will be ... on Windows and Unix/Linux + Minimum 3+ years of Java user-interface application development experience + Expertise with JavaScript,...unit tests + Agile development approach + Experience in Java Web Containers (Tomcat\Nginx), Java , Node, JDBC… more
    SAIC (04/26/25)
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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 (04/09/25)
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  • 296 - Principal Software Developer

    ARSIEM (Fort Meade, MD)
    …on every client you work with. ARSIEM is looking for a motivated Analytic Developer to support the Access Discovery & Tradecraft mission. This position will support ... designing, developing, and implementing full-stack development + Must have strong Java , Kotlin, or Scala experience + Experience with JavaScript or TypeScript… more
    ARSIEM (04/26/25)
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  • Full Stack Developer /Integrator

    CACI International (Hanover, MD)
    Full Stack Developer /Integrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... Software Engineer will work with a team of other principal and senior level contributors to provide development and...products in support of the Zero Trust architecture. The developer will integrate front end and back end components… more
    CACI International (03/13/25)
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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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  • Senior Full Stack Developer CMPRS

    SAIC (Ashburn, VA)
    **Description** **SAIC** is currently seeking a motivated, career and customer-oriented Principal Software Engineer to join our team in Ashburn, VA to begin an ... and develop .Net applications including middleware applications, user interface applications ( java script framework), and web services applications. + Develop and… more
    SAIC (03/19/25)
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  • Principal / Sr Principal Software…

    Northrop Grumman (Fairfax, VA)
    …program. The program needs a Human Computer Interface (HCI)/Graphical User Interface (GUI) developer to work on their integrated Command & Control (C2) Phase 1B ... requisition may be filled at either a level 3 ( Principal ) or a level 4 (Sr Principal ),...below: + Experience with web frameworks: Angular, React + Java , C++ and Python (or similar scripting language) in… more
    Northrop Grumman (04/23/25)
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