• Senior Software Engineer (C#/.NET)

    CoStar Realty Information, Inc. (Arlington, VA)
    Senior Software Engineer (C#/.NET) Job Description **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate ... edge in real estate. As a CoStar **Senior Software Engineer ** on the Platform Development team, you will play...or Azure) + Experience with RESTful web services and ASP.NET MVC/WebAPI + Experience in architecting, designing, and building… more
    CoStar Realty Information, Inc. (09/13/25)
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  • Chief Engineer Architect

    Leidos (Ashburn, VA)
    **Description** Leidos is seeking a Chief Engineer /Architect (CEA) to provide technical leadership for a large, complex mission-critical program whose purpose is ... + Experience with web & programming technologies including Angular, Java, .NET, ASP.net , HTML, CSS, XML, REST, JSON, and JavaScript + Experience with various… more
    Leidos (11/08/25)
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  • Salesforce Engineer II

    PenFed Credit Union (Mclean, VA)
    …about being a part of the PenFed family. PenFed is hiring a (Hybrid) Salesforce Engineer II at our Tysons, Virginia location. The primary purpose of this job is to ... Ruby, Bash, or Perl. + Functional and/or OOP languages, (Java, JavaScript, jQuery, ASP.NET , VB.NET, Classic ASP). + MS SQL. + Deployment Management Tools such as… more
    PenFed Credit Union (09/19/25)
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  • Software Data Engineer

    ManTech (Springfield, VA)
    **MANTECH** is seeking a motivated, career and customer-oriented **Software Data Engineer ** to join our team in the **Springfield, VA** area. **Responsibilities ... with JavaScript, Linux/Unix, Perl, Shell, Java, Ruby, PHP, Python, Hands-On SQL, Microsoft ASP.NET MVC, Web API, Node.js. + DoD 8570.01-M compliant, IAT II. (CCNA… more
    ManTech (08/29/25)
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  • IT Software Engineer

    Nelnet (Richmond, VA)
    …of NIST compliance strongly desired. + Microsoft .net frameworks (4.5.2 and higher) + ASP.net , C# + Microsoft IIS + REST Web Services + Microsoft SQL Server 2008 ... and higher + Microsoft Team Foundation Server (TFS) + JIRA This position requires work in support of the Company's contract with the United States Department of Education ("ED"). As such, the United States Government requires that any applicant for this… more
    Nelnet (11/01/25)
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  • Manager Software Engineering

    Mastercard (Arlington, VA)
    …and code reviews while remaining actively involved in development using C#, ASP.NET Core, and related frameworks. * Collaborate closely with product managers, ... long-term capabilities. All About You: * Proven experience as a Software Engineer , Developer, or Architect, with demonstrated success as a Manager mentoring and… more
    Mastercard (11/03/25)
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  • Senior Software Application Developer

    CACI International (Sterling, VA)
    …is currently looking for a motivated, career and customer-oriented Sr. Software Engineer /Developer with Agile methodology experience to join our Customs and Border ... **What you'll get to do:** As a Sr. Software Engineer /Developer working for the CBP ITI2.1 program, you will...Webpack, Babel, Polyfill, etc. + .NET Core 2.x + ASP.NET Web API, RESTFul HTTP Programming + EF Core… more
    CACI International (10/02/25)
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  • AI Solutions Architect, Manager - Tax…

    Deloitte (Arlington, VA)
    …Micro Services Architecture. + Demonstrated hands-on experience on .NET Core, ASP.NET Core Web API, SQL, NoSQL, RestAPI, microservices, Azure, Applying Design ... + Certified SAFe(R) Advanced Scrum Master + Certified SAFe(R) Agile Software Engineer + Certified SAFe(R) Architect + Certified SAFe(R) DevOps Practitioner +… more
    Deloitte (10/23/25)
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  • Solutions Architect, Manager - Tax Transformation

    Deloitte (Rosslyn, VA)
    …Micro Services Architecture. + Demonstrated hands-on experience on .NET Core, ASP.NET Core Web API, SQL, NoSQL, RestAPI, microservices, Azure, Applying Design ... + Certified SAFe(R) Advanced Scrum Master + Certified SAFe(R) Agile Software Engineer + Certified SAFe(R) Architect + Certified SAFe(R) DevOps Practitioner +… more
    Deloitte (10/23/25)
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