• Senior Ruby on rails Developer (Remote)

    Cognizant (Denver, CO)
    **Job Overview** We are looking for a highly skilled **Senior Ruby Developer ** with deep expertise in **Ruby on Rails 3.2.x** , **Passenger web server** , and the ... development, cross-functional collaboration, and integration with modern technologies such as ** Java Spring MVC** , **microservices** , and **React** . **Note:**… more
    Cognizant (09/20/25)
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  • Analyst & Simulation Developer - Secret…

    Lockheed Martin (Colorado Springs, CO)
    …environment\. Our responsibilities include Sensor/Weapon Integration, Algorithm Development, User Interface Development, Automated Testing, Cyber Security, ... of the Missile Defense System \(MDS\)\. You will have opportunities to interface directly with key customers, including the Missile Defense Agency \(MDA\)\. **Who… more
    Lockheed Martin (09/04/25)
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  • Business Applications Developer II

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …full stack of applications, including both frontend and backend components. + Develop engaging user interfaces ( UI ) and user experiences (UX) that wrap and ... We are seeking a motivated Mid-level Full Stack Developer to join our innovative team. The ...on integrating Artificial Intelligence (AI) capabilities and creating intuitive user interfaces. You will work within an agile environment,… more
    Sierra Nevada Company, LLC (08/11/25)
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  • Software Engineer TS/SCI Poly

    Leidos (Aurora, CO)
    …server-side business logic implementation as well as client web application and user interface ( UI ) development. Java , Python, embedded C/C++, Java ... substituted for a degree. Must have demonstrated experience with Java . Must have experience or familiarity with multiple ...MongoDB, SQL Server. Must have experience with Web Application User Interface Development, knowledge of databases and… more
    Leidos (09/27/25)
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  • Software Engineer

    Leidos (Aurora, CO)
    …server-side business logic implementation as well as client web application and user interface ( UI ) development. Java , Python, embedded C/C++, Java ... for a degree. + **Must have demonstrated experience with Java .** + Must have experience or familiarity with multiple...SQL Server. + Must have experience with Web Application User Interface Development, knowledge of databases and… more
    Leidos (09/18/25)
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  • Software Engineer TS/SCI Poly

    Leidos (Aurora, CO)
    …server-side business logic implementation as well as client web application and user interface ( UI ) development. Java , Python, embedded C/C++, Java ... for a Degree. + Must have demonstrated experience with Java . + Experience or familiarity with multiple the following:...Oracle, Jenkins on a Windows platforms. + Experience with User Interface development, knowledge of databases and… more
    Leidos (09/15/25)
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  • Software Engineer TS/SCI Poly

    Leidos (Aurora, CO)
    …server-side business logic implementation as well as client web application and user interface ( UI ) development). + Java , Python, embedded C/C++, Java ... for a Degree. + Must have demonstrated experience with Java . + Experience or familiarity with multiple the following:...Oracle, Jenkins on a Windows platforms. + Experience with User Interface development, knowledge of databases and… more
    Leidos (08/26/25)
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  • Software Programmer 5

    GovCIO (Denver, CO)
    …as well as responsible for meeting software compliance standards. May design graphical user interface (GUI) to meet the specific needs of users. Prepares ... GovCIO is currently hiring for a Senior Full Stack Developer (Spring Boot + Angular) to lead a team...modules using languages such as C++, visual basic, ABAP, JAVA , XTML, etc. Provides patches and upgrades to existing… more
    GovCIO (09/04/25)
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  • Software Development Engineer

    Kratos Defense & Security Solutions, Inc. (Colorado Springs, CO)
    …the US Air Force. This includes the integration of many COTs products into a single user interface . The successful candidate will be part of a team that acquires ... thing. Kratos has an opportunity for a Full Stack Developer to support integration command and control project and...software development experience + Proficiency developing with C/C++ and/or Java + Proficiency with git + Team player and… more
    Kratos Defense & Security Solutions, Inc. (07/25/25)
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  • Sr. Principal Software Engineer (GUI) (25-373)

    Northrop Grumman (Colorado Springs, CO)
    …product team in Colorado Springs, CO. The candidate will support the Global User Interface (GUI) team. **Essential Functions:** + Hands-on experience with DoD ... up to 10% to support business needs + Recent experience with: + ** Java or C++ software development** + **Software Testing** + **Software Integration** **Preferred… more
    Northrop Grumman (08/30/25)
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