• Senior Java Developer

    Lockheed Martin (Annapolis Junction, MD)
    …security solutions, committed to excellence and integrity\. **WHO YOU ARE** * You are an Senior Java Developer who will support a high priority and highly ... referral\. If your referral is hired, you'll receive a payment\! code\-extrefer Sr Java Developer \- Clearance Required **WHAT WE'RE DOING** * Join Lockheed… more
    Lockheed Martin (01/10/26)
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  • API Java Python Developer

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **API Java Python Developer , Senior ** **Category:** Project Management **Main location:** United States, Virginia, Arlington **Position ID:** J0925-0420 ... Time **Position Description:** CGI Federal has an exciting opportunity for an API/ Java /Python Developer within our Intel sector, advancing the national security… more
    CGI Technologies and Solutions, Inc. (01/07/26)
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  • Senior Full Stack Java

    ERP International (Laurel, MD)
    …part of a talented software development team supportingthe Defense Information Systems Agency (DISA). The Senior Java Developer will work as a part of an ... International, LLC ( www.erpinternational.com ) is currently seeking a ** Senior Full-Stack Java Developer ** with...Apache Camel + Familiarity with the DoD STIG process ** Clearance and Citizenship Requirements:** + Must be a US… more
    ERP International (01/01/26)
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  • Senior Java Analytic…

    Leidos (Fort Meade, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Java Analytic Developer ** in our **National Security Sector's (NSS) Cyber & ... to learn more about how this program "Delivers Mission Success!" Seeking a motivated senior Java analytic GHOSTMACHINE developer to support the exciting… more
    Leidos (12/23/25)
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  • MFAMS Senior Back End Java

    CACI International (Hanover, MD)
    MFAMS Senior Back End Java Developer -TS/SCI with Poly Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: ... of developers who will implement new features, capabilities and address defects. The developer should be able to define, manage, and deliver capabilities within an… more
    CACI International (10/23/25)
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  • 348 - Senior Java Analytic…

    ARSIEM (Fort Meade, MD)
    …an impact on every client you work with. ARSIEM is looking for aa motivated Senior Java analytic GHOSTMACHINE Developer to support the exciting Technology ... Trending Solutions mission. Developer will work closely with mission stakeholders to capture...MD. Responsibilities + Collaborate closely with customers to develop Java GM analytics based off artifacts, enrich data with… more
    ARSIEM (01/13/26)
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  • Java Developer

    Belay Technologies (Fort Meade, MD)
    …2020 and a finalist in 2021! Belay Technologies is seeking a mid to senior level Software Engineer to join our Intel team supporting the Multi-Factor Authentication ... In this role, you will develop, enhance, test and maintain complex Java -based software systems, implement new features, resolve defects, and contribute across the… more
    Belay Technologies (12/12/25)
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  • Database Developer , Senior

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **Database Developer , Senior ** **Category:** Project Management **Main location:** United States, Virginia, Arlington **Position ID:** J0925-0477 **Employment ... CGI Federal has an exciting opportunity for a Database Developer within our Intel sector advancing the national security...Bachelor's degree and/or 10+ years of experience * Security Clearance : TS/SCI required with the ability to obtain a… more
    CGI Technologies and Solutions, Inc. (01/07/26)
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  • Senior Appian Developer UI/UX

    Guidehouse (Mclean, VA)
    …THREE (3) years of experience in Appian development + Active Appian Senior Developer certifications and ability to achieve additional relevant certifications ... **Job Family** **:** SAAS/PAAS/Cloud Consulting **Travel Required** **:** None ** Clearance Required** **:** Ability to Obtain Public Trust **What You Will Do** **:**… more
    Guidehouse (12/27/25)
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  • Senior CNO Developer

    Nightwing (Fort Meade, MD)
    …customers in the intelligence community, defense, civil, and commercial markets. ** Senior CNO Software Developer ** **Position Description** At Nightwing CODEX, ... of the work is developed in Python, C++ and Java . The intended platforms are Windows and Linux systems...environment being low and high level user space. The developer diagnoses issues and debugs customer problems using industry… more
    Nightwing (12/12/25)
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  • Senior Software Engineer (Full Stack…

    Cayuse Holdings (Washington, DC)
    **Overview** The Senior Software Developer will lead the design and development of a new application. This role will design and implement backed APIs using ... - USD $114,000.00 /Yr. Submit a Referral (https://careers-cayuseholdings.icims.com/jobs/3047/ senior -software-engineer-%28full-stack java -springs%2c-react%2c-postgresql%29/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834356743) **Can't find the… more
    Cayuse Holdings (11/20/25)
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  • Senior Ruby on Rails Developer

    Steampunk (Mclean, VA)
    …see the real impact of their work in human lives every single day. **Contributions** As a ** Senior Ruby on Rails Developer ** , you will be working with a team of ... Steampunk participates in the E-Verify program._ Refer a Friend (https://careers-steampunk.icims.com/jobs/6546/ senior -ruby-on-rails- developer /job?mode=apply&apply=yes&in\_iframe=1&hashed=-336029103) **Need help finding the right job?**… more
    Steampunk (12/13/25)
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  • Senior Software Developer

    Amentum (Springfield, VA)
    …Security, & Intel space? If so, look no further. Amentum is seeking a ** Senior Software Developer ** to join our team of passionate individuals in **Springfield, ... of ensuring secure and compliant data access. As a Developer on our team, you will design, implement, and...collaboration within the team. **Requirements:** * Demonstrated experience in Java * Demonstrated experience in JavaScript or Python *… more
    Amentum (12/27/25)
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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 using ... USD $105,000.00 - USD $115,000.00 /Yr. Submit a Referral (https://careers-cayuseholdings.icims.com/jobs/3065/software- developer %2c- senior /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834356743) **Can't find the right opportunity?** Join… more
    Cayuse Holdings (12/05/25)
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  • Senior Software Developer

    Steampunk (Mclean, VA)
    **Overview** As a ** Senior Software Developer ,** you will work with a team of developers to deliver software features, APIs, and micro-service solutions. We are ... about our story, visit http://www.steampunk.com . Refer a Friend (https://careers-steampunk.icims.com/jobs/7100/ senior -software- developer /job?mode=apply&apply=yes&in\_iframe=1&hashed=-336029103) **Need help finding the right job?**… more
    Steampunk (11/29/25)
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  • Senior Full Stack Developer

    Steampunk (Mclean, VA)
    **Overview** As a ** Senior Full-Stack Software Developer ** , you will work with a team of developers to deliver software features, APIs, and micro-service ... Steampunk participates in the E-Verify program._ Refer a Friend (https://careers-steampunk.icims.com/jobs/7058/ senior -full-stack- developer /job?mode=apply&apply=yes&in\_iframe=1&hashed=-336029103) **Need help finding the right job?**… more
    Steampunk (11/22/25)
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  • Senior Appian Developer

    General Dynamics Information Technology (Gaithersburg, MD)
    **Req ID:** RQ207698 **Type of Requisition:** Regular ** Clearance Level Must Be Able to Obtain:** None **Public Trust/Other Required:** Other **Job Family:** ... Technology is seeking numerous candidates to fill multiple **Appian Developer ** roles on a contract to support the **Food...Level 1 or 2 Certified. + Experience in Agile, Java , API's, Web Services, integrations. + Proficient with Appian… more
    General Dynamics Information Technology (11/20/25)
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  • Senior Software Developer

    Oracle (Washington, DC)
    **Job Description** As a Senior Member of Technical Staff (SMTS) engineer in our team, you'll be responsible and lead efforts in designing and building scalable, ... allow us to build a newer generation of AI-enabled developer productivity tooling and primitives. **Must be a US...US citizen and be able to obtain a security clearance once hired** **Responsibilities:** + Design and implementation of… more
    Oracle (01/01/26)
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  • Software Developer Senior

    General Dynamics Information Technology (Annapolis Junction, MD)
    **Req ID:** RQ207583 **Type of Requisition:** Regular ** Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... programming). + Proficient with Linux/UNIX is required. + Development experience (C++, JAVA , XML/XSD), scripting language experience, (Python or Perl), JAVA GUI… more
    General Dynamics Information Technology (12/18/25)
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  • Senior Software Developer

    Leidos (Bethesda, MD)
    …complex **mission system software** . + **Own and deliver** solutions built with ** Java , C++** , and other modern technologies. + **Explore and apply** new ... , **real-time data analysis** , or **visualization/simulation** systems + ** Java and C++ are required for this role** +...systems. + **Security:** Ability to obtain a **U.S. security clearance ** . + **Certification:** Possess an **IAT Level I… more
    Leidos (10/22/25)
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