• . NET / React Developer

    CACI International (Arlington, VA)
    …Travel: Local * * * **The Opportunity:** The CACI team is looking to add a Senior . NET / React Developer to their growing software development contract ... with the Department of State in Rosslyn, VA. The Senior . NET / React developer will be responsible for designing, implementing, and testing the application… more
    CACI International (09/19/25)
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  • Senior Software Engineer (C#/. NET…

    CoStar Realty Information, Inc. (Richmond, VA)
    Senior Software Engineer (C#/. NET / React )...software. We firmly believe that what separates a good developer from a great one is a deep understanding ... an invaluable edge in real estate. As a CoStar ** Senior Software Engineer** on the Data Automation team, you...is robust, efficient and maintainable; our primary tools are React JS ,C#, . NET Framework, AWS (Dynamo/S3/Lambda),… more
    CoStar Realty Information, Inc. (09/13/25)
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  • Software Developer (Multiple Levels)

    Noblis (Chantilly, VA)
    …Java, . NET (C#), Python + Frontend development using JavaScript frameworks ( React , Angular, Vue, Svelte, Bootstrap) + Relational Databases and SQL (MySQL, ... Responsibilities As a Software Developer , you will be responsible for developing code,...Microsoft SQL) + REST APIs using technologies such as ASP. NET Core, Flask, Django, Express.js, or Spring Boot +… more
    Noblis (09/03/25)
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  • Sharepoint Developer (Pies-L4) - NGA…

    Masego (Springfield, VA)
    …systems, software, and processes (eg SharePoint) . Description We are looking for a Senior -level TS/SCI cleared Sharepoint Developer to join our team. This is an ... jQuery plugins and features, such as "$.ajax", to specific needs. + Experience with . NET framework and web markup languages, including C#, HTML and CSS . +… more
    Masego (08/03/25)
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  • Senior Software Engineer

    CoStar Realty Information, Inc. (Richmond, VA)
    Senior Software Engineer Job Description **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, ... an invaluable edge in real estate. As a CoStar Senior Software Engineer on the Research Development team, you...software. We firmly believe that what separates a good developer from a great one is a deep understanding… more
    CoStar Realty Information, Inc. (08/20/25)
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  • Senior Staff Software Engineer (Duck Creek)…

    The Hartford (Alexandria, VA)
    …+ Experience in front end web technologies and frameworks: HTML5, JavaScript, CSS, Ajax, Angular/ React ASP. NET , C#. + Experience using XML, JSON, XSLT, XSD and ... Senior Staff Software Engineer - IE07HE We're determined...high. + Must have a strong working experience as Designer/ Developer of REST API, SOAP Web services, both as… more
    The Hartford (09/28/25)
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  • Senior Software Engineer - Node/backend

    ICF (Reston, VA)
    …+ Prior experience working remotely full-time. + Familiarity with front-end frameworks like React and backend languages like . NET or Java. + Proficient with ... ability to work independently in a remote setting. If you're a backend developer with strong fundamentals, a collaborative mindset, and a passion for building secure… more
    ICF (09/26/25)
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