• Software Engineer TS/SCI Poly

    Leidos (Alexandria, VA)
    …as well as client web application and user interface (UI) development). + Java , Python, embedded C/C++, Java cryptographic framework, XML, web UI and ... system requirements, use design software tools, provide support using formal specifications, data flow diagrams, and other accepted design techniques with the use of… more
    Leidos (05/28/25)
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  • Backend Developer

    CGI Technologies and Solutions, Inc. (Fairfax, VA)
    …scalable backend systems. You will work closely with front end developers, data scientists, and other stakeholders to deliver high-quality solutions. This position ... and maintain backend services and APIs using Golang, Python, Java , and other technologies. * Strong understanding of modern...design. * Working experience with large XML, WSDL, JSON data models and large data transformations. *… more
    CGI Technologies and Solutions, Inc. (06/25/25)
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  • Software Engineer (Expert)

    BAE Systems (Herndon, VA)
    …the US Department of Defense, enables the US government to transform data into intelligence and provides engineering, integration and sustainment support for ... The candidate must function as a Expert level Software Engineer with Java development, micro-services, and Angular experience. This program will deliver a new… more
    BAE Systems (06/18/25)
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  • Full Stack Developer, Team Lead

    Leidos (Ashburn, VA)
    …team to successfully support all design, creation, maintenance, and testing of JAVA full stack applications. **This position REQUIRES the candidate to be in ... + Angular, JavaScript, CSS, & HTML, Springboot, Material UI, JAVA etc. + AWS Cloud, Amazon Elastic Kubernete Service...abilities, as well as internal equity, alignment with market data , applicable bargaining agreement (if any), or other law.… more
    Leidos (06/12/25)
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  • Senior FHIR Software Engineer

    ICF (Reston, VA)
    …by collecting, computing, and publicly reporting outcomes-based hospital quality measure data . This contract will serve to develop a human-centric reporting system ... that allows refinement, filtering, and data comparison, as well as the ability to view...be working with implementing the FHIR standard using JavaScript, Java , Spring Boot and OpenAPI to develop robust and… more
    ICF (06/19/25)
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  • Applications Developer - Senior

    Nightwing (Sterling, VA)
    Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' ... cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing… more
    Nightwing (06/05/25)
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  • Software Engineer-TS/SCI

    CACI International (Sterling, VA)
    …knowledge and best practices **Qualifications:** + Backend Developer with strong proficiency in Java and Go + Knowledge of software design patterns, data ... control and associated tools (eg, Git, GitLab CI/CD, Jenkins, Nexus, Ansible) + Data Visualization and Monitoring experience using tools like Grafana and Kibana to… more
    CACI International (04/25/25)
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  • Senior Full Stack Developer

    ManTech (Ashburn, VA)
    …Lead and perform development and maintenance of end-user focused, object-oriented, data -driven analytic applications to support CBP threat analysis and targeting in ... 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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  • Systems Development Engineer, Global Maintenance…

    Amazon (Arlington, VA)
    …enterprise level. The more complex systems are leveraging Machine Learning and Big Data to drive predictive actions, preventing downtime or defects in the material ... Team plays a critical role in ensuring that machine-generated data leads to automated, appropriate, and effective proactive and/or...at least one modern language such as C++, C#, Java , Python, Golang, PowerShell, Ruby experience - 3+ years… more
    Amazon (06/20/25)
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  • Software Developer - US Citizens only - TS/SCI/FSP…

    The Metamorphosis Group (Chantilly, VA)
    …working within the Sponsor's environment. 4. Web services' experience using REST API for Java applications with the ability to return data in JSON and XML ... portfolio. Development of the physical security application shall include moving data into C2S, developing a new user interface, modifying application workflow… more
    The Metamorphosis Group (06/11/25)
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