• Senior Full Stack Developer

    ManTech (Ashburn, VA)
    …RESTful APIs and ensure seamless integration between front-end and backend systems . + Develop new code, modify existing application code, conduct unit ... environment. + Design, develop, and implement scalable, high-performance and reliable applications and microservices using Java (including frameworks like Spring… more
    ManTech (11/03/25)
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  • Test Engineer

    CACI International (Ashburn, VA)
    …years analyzing, designing and implementing integrated testing solutions. + Testing applications developed in Java , JavaScript, AngularJS, Oracle, and ... agile methodology experience to join our BEAGLE (Border Enforcement Applications for Government Leading-Edge Information Technology) Agile Solution Factory (ASF)… more
    CACI International (10/29/25)
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  • Sr. Customer Delivery Engineer (CDE), Amazon LEO…

    Amazon (Arlington, VA)
    …experience with SDWAN, load balancers, switches, routers, etc. - Experience with System Integration as a Systems Engineer or similar role, preferably in wireless ... will play a critical role in ensuring customers complete successfully the integration , deployment, rollout, and support of our technology. Your hands-on expertise in… more
    Amazon (11/11/25)
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  • Lead Test Automation Engineer

    CACI International (Ashburn, VA)
    …design, and execute comprehensive test strategies for complex web and mobile applications supporting mission critical systems . *Define, implement, and maintain ... felony convictions + Expertise in Manual Functional Testing processes, Automated Testing ( Java , Selenium, Cucumber, SQL), and Continuous Integration + College… more
    CACI International (09/23/25)
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  • Senior Machine Learning Engineer (Python, AWS, Big…

    Capital One (Mclean, VA)
    …you'll be part of an Agile team dedicated to productionizing machine learning applications and systems at scale. You'll participate in the detailed technical ... design, development, and implementation of machine learning applications using existing and emerging technology platforms. You'll focus on machine learning… more
    Capital One (11/04/25)
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  • Senior FHIR Software Engineer

    ICF (Reston, VA)
    …create efficient data pipelines. You will be expected to design, develop, test, and deploy Java applications that meet the needs of our clients and partners. The ... be working with implementing the FHIR standard using JavaScript, Java , Spring Boot and OpenAPI to develop robust and...Spring Boot and OpenAPI to develop robust and scalable applications that support the Centers for Medicare and Medicaid… more
    ICF (09/04/25)
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  • Senior Appian Developer UI/UX

    Guidehouse (Mclean, VA)
    …Exposure to Appian's Federal Acquisition Management + Experience in Enterprise Application Integration and n-tier client-server architectures + Experience ... situations. + Implement best practices for Appian development and integration with other systems . + Develop and...systems , incorporating best practices + Strong knowledge of Java and web technologies + Selected candidate must be… more
    Guidehouse (09/27/25)
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  • Software Engineer-Senior / Lead - Backend

    Guidehouse (Mclean, VA)
    …**:** Ability to Obtain Public Trust Guidehouse is responsible for developing enterprise systems for a federal government client. This is an exciting opportunity for ... Agile team that will be building the backend of an enterprise-level application using a modern, cloud-hosted microservices architecture. You will be in a… more
    Guidehouse (11/12/25)
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  • Software Engineer

    Koniag Government Services (Chantilly, VA)
    …meet internal or external customer specifications. + Developing and maintaining applications related to overall operating systems , sophisticated file maintenance ... packages + Working at a high technical level across all phases of software systems programming applications + Evaluating new and existing software products for… more
    Koniag Government Services (09/26/25)
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  • Software Developer -Senior

    CACI International (Fairfax, VA)
    …The candidate will collaborate with the user interface designer(s) to ensure seamless integration and will focus on innovating new and better ways to create ... seeking candidates with experience in Python, AWS, RDS, and file-based storage systems . Required Qualifications: ACTIVE TS/SCI with Polygraph * A master's degree in… more
    CACI International (10/29/25)
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