• Senior Python Developer (SWE-3)

    Leidos (Fort Meade, MD)
    …**Leidos** has a new and exciting opportunity for a **Senior Python Developer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... forefront in Security Engineering, Computer Network Operations (CNO), Mission Software , Analytical Methods and Modeling, Signals Intelligence (SIGINT), and… more
    Leidos (10/28/25)
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  • Application Developer

    Leidos (Odenton, MD)
    …The Digital Modernization Sector has a career opportunity for an **Application Developer ** supporting the Global Solutions Management - Operations II (GSM-O II) ... project including team member functional management and customer of deploying hardware & software within the environment. + Supervise and managed the daily tasks of… more
    Leidos (10/16/25)
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  • C# Developer

    SAIC (Chantilly, VA)
    **Description** SAIC is currently looking to hire a **C# Developer ** to join our team located in Chantilly, VA! Basic Qualifications: + Bachelor's Degree in Computer ... and a minimum of 9 years related experience + Experience with Software Architecture + Requirements definition - to include iterative derivation of requirements… more
    SAIC (11/06/25)
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  • Mobile Developer Senior

    SAIC (Ashburn, VA)
    …Summary** We are currently seeking a motivated, career and customer oriented Mobile Developer (Senior) to join our team to continue an exciting and challenging ... develop engaging, intuitive and reusable React Native components. + Use modern software engineering tools including VS Code, Gitlab, and Atlassian Suites for… more
    SAIC (10/11/25)
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  • Senior SW Developer

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking a Software Developer for a technical development program supporting the Sponsor's Entitlement Programs as well as IdAM /ICAM, ... Authentication, Authorization, Attributes and Digital Policy Management. The Software Engineer will work with a large team of developers, software engineers and… more
    Leidos (10/10/25)
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  • Mobile App Developer

    Leidos (Ashburn, VA)
    …The National Security Sector within Leidos is seeking a Mobile Application Developer to provide technical expertise on a mission-critical program whose purpose is ... and/or direct major deliverables of projects through all aspects of the software development lifecycle including scope and work estimation, architecture and design,… more
    Leidos (11/19/25)
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  • CNO Developer

    SAIC (Fort Meade, MD)
    …can** **grow your career in a dynamic and supportive environment!** The CNO Developer designs, develops, and implements tools and capabilities for both offensive and ... using tools to find, exploit, and productize vulnerabilities in complex software systems. + Understanding of network protocols (TCP/IP stacks, wire-level protocols,… more
    SAIC (11/17/25)
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  • Combat Coder - Journeyman Full Stack…

    Leidos (Marysville, CA)
    …Innovation, Agility, Collaboration, and Commitment. If you're ready to drive critical software deliveries, apply now to join Leidos as a **Combat Coder** for ... seeking a **Combat Coder** - a highly skilled, adaptable full stack developer who thrives in challenging, disconnected, and resource constrained environments. You'll… more
    Leidos (11/19/25)
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  • Web Developer

    Leidos (Chantilly, VA)
    **Description** The **Montre Program** is seeking an experienced **Web Developer with JIRA experience** to manage and optimize a new installation of JIRA/Confluence ... + Proficient in the implementation of Atlassian Plugins + Experience developing software team solutions using Atlassian tools and Atlassian Confluence + Web… more
    Leidos (09/22/25)
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  • Senior Cyber Tool and Capability Developer

    Draper (Boston, MA)
    Job Description Summary: Draper is actively seeking a Senior Cyber Software Engineer to support current and future cybersecurity, machine learning, and cyber tool ... Nation's security. As a part of the Draper Cyber Software team, you will drive the design and development...reward. This role is onsite in Cambridge, MA or Reston , VA. Applicants selected for this position will be… more
    Draper (10/11/25)
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