• Sr . Java Developer

    Leidos (Reston, VA)
    **Description** **Leidos** has a new and exciting opportunity for a ** Sr .** ** Java Developer ** in our **National Security Sector's (NSS) Cyber & Analytics ... 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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  • Java Developer

    Leidos (Reston, VA)
    **Description** **Leidos** has a new and exciting opportunity for a ** Sr . Java Developer ** with advanced Excel in our **National Security Sector's (NSS) ... a difference in National** **Security!** We have an immediate need for a Sr . Java Developer with strong systems, software, cloud, database, and Agile… more
    Leidos (05/09/25)
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  • Senior Java Back End…

    BigBear.ai (Ashburn, VA)
    Overview BigBear.ai is seeking a Senior Java Back End Developer with cloud experience to join our team to begin an exciting and challenging career in ... VA. What you will do Working closely with the tech lead and senior developers and participate in the system architecture design, development, integration testing and… more
    BigBear.ai (06/18/25)
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  • Senior Java Full Stack…

    Fannie Mae (Reston, VA)
    …and in a usable state, including quality assurance. *THE IMPACT YOU WILL MAKE* The * Sr Java Full Stack Developer *role will offer you the flexibility ... 2+ years of technical leadership experience (eg, Tech Lead, Senior Engineer) * 4+ years of experience with Enterprise...* 5+ years of hands-on experience in Python or Java Development * Strong working experience with AWS services… more
    Fannie Mae (05/24/25)
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  • Sr . Java Developer

    Leidos (Reston, VA)
    **Description** We have an immediate need for a Sr . Software Engineer with strong systems, software, cloud, database, and Agile experience to support a complex ... software programming initiatives to support innovation and enhancement, using Java , JavaScript, Python, SpringBoot, Hibernate. + Provide expertise integrating with,… more
    Leidos (06/04/25)
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  • Senior Appian Developer - Remote…

    ICF (Reston, VA)
    …or Certified Level 3 Appian Developer + Experience working with Appian Tempo. + Java developer experience is a strong plus. + Recent work experience on a ... ESB) and n-tier client-server architectures preferred + Experience working with Appian Sites. + Java developer with Maven builds experience is a strong plus. +… more
    ICF (06/18/25)
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  • Sr . Marklogic Developer

    Leidos (Reston, VA)
    …**Join us and make a difference in National Security!** **Job Summary** This Java Developer role with strengths in developing MarkLogic based applications ... **Description** **Leidos** has a new and exciting opportunity for a ** Sr .** **MarkLogic Developer ** in our **National Security Sector's (NSS) Cyber & Analytics… more
    Leidos (04/24/25)
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  • Senior AWS Full Stack Developer

    CGI Technologies and Solutions, Inc. (Reston, VA)
    …**Required qualifications to be successful in this role:** * This position is for a Senior full stack Java developer . * 10+ years experiences' as full ... ** Senior AWS Full Stack Developer ** **Category:** Software...stack developer with Java , Angular, Python, spring-boot experience in full SDLC process. *… more
    CGI Technologies and Solutions, Inc. (06/20/25)
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  • Full Stack Developer , Team Lead

    Leidos (Ashburn, VA)
    …DOD Top Secret or DHS CBP BI + Solid experience as a full stack Java developer . + AWS, Microservices, User experience , containerization, CI/CD + Experience in ... The National Security Sector within Leidos is seeking a Full Stack Software Developer Team Lead, with strong systems, software, cloud, and Agile experience to… more
    Leidos (06/12/25)
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  • Senior Full Stack Developer

    BigBear.ai (Ashburn, VA)
    Overview BigBear.ai is seeking a Senior Full Stack Developer ( JAVA /JEE) to support the ongoing modernization and maintenance of the CBP information systems, ... using JAVA /JEE. What you will do Design and implement JEE...etc.) JMS Database Connectivity (JDBC, JPA, Hibernate) 8-10+ years Java JEE Experience developing microservices What we'd like you… more
    BigBear.ai (06/30/25)
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  • Sr . Full Stack Developer

    Leidos (Reston, VA)
    **Description** **Leidos** has a new and exciting opportunity for a ** Sr . Full Stack Developer ** in our **National Security Sector's (NSS) Cyber & Analytics ... 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 (05/17/25)
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  • Sr . Full Stack Developer ~ AWS

    Fannie Mae (Reston, VA)
    …large scale data stores, and cloud-based systems. *THE IMPACT YOU WILL MAKE* The * Sr . Full Stack Developer ~ AWS* role will offer you the flexibility ... years' experience in the following software skills: programming APIs, Java , UNIX / Linux Shell scripting, SQL * Experience...* AWS Certifications *Tools: * * *Languages: * * Java * Python * JavaScript * SQL * *Frameworks:… more
    Fannie Mae (06/20/25)
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  • Senior Salesforce Developer

    Koniag Government Services (Chantilly, VA)
    Senior Salesforce Developer Virtual Req #465... will build software applications by writing code in Java and Javascript and will also learn the technology ... Solutions, a Koniag Government Services company, is seeking an experienced Senior Salesforce Developer to join our team building applications from the ground up.… more
    Koniag Government Services (05/22/25)
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  • Senior Cyber Capability Developer

    Leidos (Lorton, VA)
    …The National Security Sector (NSS) has a new and exciting opportunity for a Senior Cyber Capability Developer (Reverse Engineer) in our Cyber & Analytics ... anticipation of an upcoming contract award! **What you'll be doing:** + The Senior Cyber Capability Developer (Reverse Engineer) is an accomplished technical… more
    Leidos (06/08/25)
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  • Sr . Software Engineer TS/SCI Polygraph

    Leidos (Reston, VA)
    **Description** Leidos has an exciting opportunity for a Sr . Software Engineer! *Must have an active TS/SCI Polygraph up front. No exceptions.* You will perform ... implementation as well as client web application and user interface (UI) development. Java , Python, embedded C/C++, Java cryptographic framework, XML, web UI… more
    Leidos (06/27/25)
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  • Senior Front End Software Developer

    CACI International (Sterling, VA)
    …None Type of Travel: None Anticipated Posting End: 5/12/2026 CACI is seeking a Senior Developer to join a multidisciplined team to work on delivering the ... an extreme agile continuous deployment software development framework. **The Opportunity:** As a senior developer on this dynamic program; you will bring your… more
    CACI International (06/24/25)
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  • Senior Full Stack Developer

    US Tech Solutions (Reston, VA)
    …that would delay progress. **Experience** Project requires a Senior Full Stack Developer with 8-10 skill set with Java , Angular, and Spring Boot. Experience ... Our client, a major financial institution, needs a technical Senior Full Stack Developer to replace a...new applications are refactored in AWS and developed with Java , Angular and Spring Boot, and a Postgres DB.… more
    US Tech Solutions (06/21/25)
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  • Senior Software Developer

    Leidos (Lorton, VA)
    …ahead!** The National Security Sector (NSS) has a new and exciting opportunity for a Senior Software Developer in our Cyber & Analytics Business Area (CABA). Our ... Program, providing IT user support, IT security, IT services, and developer support for mobile device analysis, collection, and exploitation engineering services… more
    Leidos (06/08/25)
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  • Senior Full Stack Developer

    ManTech (Ashburn, VA)
    **ManTech** seeks a motivated, career and customer oriented ** Senior Full Stack Developer ** to join our team in **Ashburn, Virginia** . This position is onsite ... and implement scalable, high-performance and reliable applications and microservices using Java (including frameworks like Spring Boot, Jakarta etc.) for the backend… more
    ManTech (06/24/25)
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  • Sr . DevOps Engineer

    Leidos (Reston, VA)
    **Description** **Leidos** has a new and exciting opportunity for a ** Sr . DevOps Engineer** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... experience working within a software development team and supporting developers and developer activities. + Bachelors degree with 8 or more years of prior… more
    Leidos (04/24/25)
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