• 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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  • 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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  • JBlocks Senior Java Back End…

    CACI International (Hanover, MD)
    JBlocks Senior Java Back End Software Engineer-TS/SCI with Poly Job Category: Information Technology Time Type: Full time Minimum Clearance Required to ... control and release management. **Responsibilities:** The JBLOCKS team is seeking a Senior Software Engineer to work with a team of developers to implement… more
    CACI International (10/23/25)
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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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