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  • Senior .Net Developer- vb.net to C# Migration - Perm Role!

     ...Senior .Net Developer- vb.net to C# Migration - Perm Role!!! Employment Type: Full-time We're currently partnering with a Fortune 500 Client, helping identify a Senior Software Engineer to join their growing team. They have a variety of applications and are migrating... 
    Senior
    C#
    Permanent employment
    Full time

    Veredus - DC

    Herndon, VA
    3 days ago

  • Senior .Net Engineer

     ...Senior .Net Engineer Job ID 2025-28221 Category .NET Location US-VA-McLean About DMI...  ...Microsoft technology stack and maintain them. Ability to develop fluently using ASP.NET, .Net Core, C#, Web API, MVC, MVP, SQL Server, jQuery, JavaScript,... 
    Senior
    C#
    Full time
    Work at office
    Local area

    DMI (Digital Management, Inc.)

    McLean, VA
    13 hours ago

  • .Net Developer with SSIS

     ...Job Title Technical Skills / Knowledge Required: Minimum of eight years developing web applications in C#, ASP.NET using MVC architecture with at least one year using .NET Core. Minimum 8 years of advanced technical skills with creating and modifying SQL procedures... 
    C#

    TechDigital Corporation

    Reston, VA
    4 days ago

  • .NET Developer

     ...Agile Scrum team process, collaborating closely with fellow developers, DBAs, QA, team leads, and stakeholders Troubleshoot and...  ...years of experience using Microsoft technologies including ASP.NET 4.0, C#/VB.NET and Windows Server 2008 R2 with IIS 7.5. Experience... 
    C#
    Full time
    Work experience placement

    Ask IT Consulting

    McLean, VA
    3 days ago

  • Senior Software Engineer with Security Clearance

     ...Gridiron IT is seeking a highly motivated and independent SME/Senior Software Developer to take sole responsibility for maintaining and...  ...software demonstrations once a quarter to the customer ASP.Net C# LINQ and entity framework Object Relationship Mapping (... 
    Senior
    C#

    Gridiron IT Solutions

    McLean, VA
    13 hours ago

  • Full Stack .NET Developer

    $103.8k - $218.1k

     ...Full Stack .NET Developer CACI is seeking a Full Stack .NET Developer to join our team and support the Border Enforcement Applications for...  ..., Legacy .NET, Dapper, Entity Framework (or any other ORM), C#, Typescript, JavaScript, REST, XML, JSON, and Web APIs. Correlated... 
    C#
    Contract work
    Work experience placement
    Local area
    Flexible hours
    2 days per week
    3 days per week

    CACI International

    Ashburn, VA
    4 days ago

  • Senior Web Developer - Microsoft C#, ASP.Net, .Net Core, SQL

     ...work on our w2. IF YOU CAN NOT BE ONSITE DAY ONE IN SPRINGFIELD, ILL YOU DO NOT QUALIFY. Job Description: Senior Web Developer - Microsoft C#, ASP.Net, .Net Core, SQL We are seeking a highly skilled Senior Web Developer to lead the building and testing of our... 
    Senior
    C#
    Full time
    Remote work

    Axxum Technologies

    Tysons, VA
    13 hours ago

  • Senior Software Engineer with Security Clearance

    SME/Senior Software Developer Location: Mclean, VA Work Type: Onsite Remote Work: NO Job Description Gridiron IT is seeking a highly motivated...  ...demonstrations once a quarter to the customer ASP.Net C# LINQ and entity framework Object Relationship Mapping (... 
    Senior
    C#
    Full time
    Part time
    Work experience placement
    Remote work

    Gridiron IT Solutions

    McLean, VA
    13 hours ago

  • Senior Software Engineer

    $155k - $205k

     ...Senior Software Engineer Cooley is seeking a Senior Software Engineer to join...  ...create user information solutions by developing, implementing, and maintaining internet...  ...RESTful APIs and microservices using ASP.NET Core, .NET 6+, and C#, with a strong focus on scalability,... 
    Senior
    C#
    Full time
    Temporary work
    Work at office
    Flexible hours
    Weekend work

    Cooley

    Reston, VA
    2 days ago

  • Senior Technical Program Manager

     ...Description Job Description Salary: Senior Technical Program Manager We are...  ..., and inspire a team of skilled software developers, fostering a high-performance, collaborative...  ...Background in programming languages (C++, C#, Python, Java, Shell, Go, PHP, Delphi, Unity... 
    Senior
    C#
    Remote work

    Brightline Interactive

    Ashburn, VA
    10 days ago

  • Senior Software Engineer

    $130k - $190k

     ...non-remote). Toyon is seeking individuals capable of developing object-oriented software in C++, C#, Java, JavaScript and/or Python. The experienced...  ...opportunity to work on a software engineering team with senior staff members guiding the development of mission-critical... 
    Senior
    C#
    Full time
    Work experience placement
    Remote work

    Toyon Research

    Ashburn, VA
    3 days ago

  • .Net Application Developer

     ...Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Job Description...  ...you will need: 5 to 6 years of experience with Net Framework 4.0 (4.5 is a plus) Knowledge of MVC, JQuery, C# / SQL Server are musts (MVC 6 is a plus) SQL... 
    C#

    Ideavat Inc

    McLean, VA
    3 days ago

  • ServiceNow Developer, Senior

    $77.6k - $176k

     ...Job Number: R0226794 ServiceNow Developer, Senior The Opportunity: We are looking for an experienced and highly skilled ServiceNow...  ...Nice If You Have: Experience with Java, Python, C#, C, C++, .NET, JavaScript, React, Angular, NodeJS, or PHP... 
    Senior
    C#
    Full time
    Contract work
    Part time
    Local area
    Remote work

    Booz Allen Hamilton

    Ashburn, VA
    1 day ago

  • Senior Software Application Developer

    $103.8k - $218.1k

     ...Senior Software Application Developer Job Category: Information Technology Time Type:...  ...application development support in .NET core for a range of custom-...  ...development with Microsoft C# .NET environment ~ Agile...  ..., etc. .NET Core 2.x ASP.NET Web API, RESTFul... 
    Senior
    C#
    Full time
    Contract work
    Work experience placement
    Local area
    Flexible hours

    CACI International

    Hamilton, VA
    2 days ago

  • Senior Software Developer (Cryptology)

    $90.3k - $189.6k

     ...Senior Software Developer (Cryptology) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None...  ...software developer languages including, but not limited to: C#, Swift, Python, Java, and JavaScript ~ Well versed in Steganography... 
    Senior
    C#
    Full time
    Contract work
    Work experience placement
    Local area
    Remote work
    Flexible hours

    CACI International

    Ashburn, VA
    3 days ago

  • Senior Power Platform Developer

    $86.6k - $181.8k

     ...Senior Power Platform Developer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee...  ...environment. Development with technologies such as C#, JavaScript, HTML/CSS, Liquid, FetchXML. _______________... 
    Senior
    C#
    Full time
    Contract work
    Work experience placement
    Interim role
    Local area
    Flexible hours

    CACI International

    Ashburn, VA
    13 hours ago

  • .NET Developer

     ...for sourcing of new candidates. Overview: We are seeking a versatile and experienced .NET Developer with a strong background in VBA, Microsoft Access, Visual Basic, and C#. This role is ideal for someone who thrives in both maintaining legacy systems and driving modernization... 
    C#
    Remote work

    Hire Talent

    McLean, VA
    2 days ago

  • .Net Developer

     ...the interview process. Anywhere: Dotnet FTE Role We are seeking a skilled and proactive Contract Software Developer with expertise in .NET and C# to join our Agile development team. The ideal candidate will contribute to the enhancement and maintenance of an existing... 
    C#
    Contract work
    Immediate start

    International Solutions Group

    Herndon, VA
    2 days ago

  • .Net Developer

     ...AI Software Developer Gridiron IT is seeking a skilled and innovative AI Software Developer...  ...Develop web applications using .NET and C# that integrate Generative AI functionalities...  ..., skills, education, certifications, seniority, and business needs. This range may be... 
    C#
    Full time
    Part time
    Work experience placement

    ClearanceJobs

    Chantilly, Loudoun County, VA
    13 hours ago

  • Senior Software Engineer - Desktop Applications

    $168k - $250k

     ...District Partners is engaged on this exclusive search for a Senior Software Engineer to take full ownership of a core component within a...  ...You'll Do: Build and maintain desktop applications using C#, WPF, XAML, and WinForms Own a distinct slice of a broader,... 
    Senior
    C#
    Relocation
    Relocation package

    District Partners LLC

    Reston, VA
    1 day ago

  • Senior Cloud Developer (Top Secret Required)

     ...Cloud Developer - Senior Position Overview As a Senior Cloud Developer, you will be responsible for developing cloud service delivery...  ...Technical Experience Experience with: Python, .NET C#, or other development languages DevSecOps practices and tools... 
    Senior
    C#
    Flexible hours

    i3

    Chantilly, Loudoun County, VA
    1 day ago

  • Sr. Full Stack Developer CMPRS

     ...in all Program Increment and Sprint ceremonies. Design and develop .Net applications including middleware applications, user interface...  ...of projects with multiple stakeholders. Javascript, Vue.js, C#, .NET Core, Web API, Visual Studio code, Jenkins, Gitlab, xUnit... 
    Senior
    C#
    Remote work
    2 days per week

    SAIC

    Ashburn, VA
    2 days ago

  • Senior Cloud Developer

     ...immediate, full-time need for a skilled, energetic, and driven Senior Cloud Developer. Description: Agile5 Technologies is seeking a highly...  ...Serverless computing, and CI/CD pipelines. Experience with Python, .NET C#, microservices, API Gateway, Splunk, SAFe Agile, and cost... 
    Senior
    C#
    Full time
    Work at office
    Immediate start
    Monday to Friday
    Day shift

    Agile5 Technologies, Inc.

    Chantilly, Loudoun County, VA
    2 days ago

  • Senior Software Engineer - Training Systems with Security Clearance

     ...ID: #69774 Pay Range: $80-105 ph (W2) Duration: 12 mos • Design, develop, integrate, and test software on cross-functional agile teams to...  ...Must have: • Previous experience working with multi-threaded C# or JAVA software applications. • Experience interfacing with databases... 
    Senior
    C#
    Local area

    Butler Aerospace & Defense

    Sterling, VA
    13 hours ago

  • Senior Product Security Engineer

     ...automated security controls as part of CICD pipelines Identify and develop relevant security controls and processes for products and...  ...software development in one or more programming languages such as C#, Java, Python, etc. ~ Experience with security tools such as... 
    Senior
    C#
    Internship
    Monday to Friday
    Shift work

    Navy Federal Credit Union

    Vienna, VA
    13 hours ago

  • Sr. Technical Program Manager

     ...execution, documentation, and security. About the Role As a Senior Technical Program Manager, you will take ownership of multiple...  ...management. ~ Familiarity with programming languages such as C++, C#, Python, Java, Go, PHP, Unity, or Unreal. ~ Excellent... 
    Senior
    C#

    Knak Digital

    Ashburn, VA
    17 days ago

  • Senior Full Stack Developer - NII

    Senior Full Stack Developer - NII Our client, a prestigious Federal contractor...  ...contract to hire. As a Sr. FS .Net Developer you will be a...  ...including OS level services, ASP.NET web services and server-...  ...development with Microsoft C#, .NET and Python. - Skilled... 
    Senior
    C#
    Contract work
    Temporary work
    For contractors
    Work from home
    2 days per week
    3 days per week

    Elite Technical

    Ashburn, VA
    more than 2 months ago

  • Software Engineer, Senior

    $86.8k - $198k

     ...R0221087 Software Engineer, Senior The Opportunity: We're looking...  ...application components. You'll develop new robust, secure, and...  ...-oriented programming, such as C# or Java ~6+ years of experience...  ...frameworks Experience with .NET Core, MVC, and LINQ or Entity... 
    Senior
    C#
    Full time
    Contract work
    Part time
    Local area
    Remote work

    Booz Allen Hamilton

    McLean, VA
    1 day ago

  • Senior Application Developer

    $81.85k - $112k

     ...Senior Application Developer GovCIO is currently hiring for a Senior Application Developer with an active Secret clearance to design, build, and...  ...programming languages such as Java, ColdFusion, JavaScript, and C#. Implement multiple design patterns such as MVC, web... 
    Senior
    C#
    Full time
    Currently hiring
    Flexible hours

    GovCIO

    Fairfax, VA
    1 day ago

  • Senior Engineer (Agentic AI Platforms)

    Senior Engineer (Agentic AI Platforms) page is loaded## Senior Engineer...  ...hardened services (FastAPI/ASP.NET/Node) on AKS/EKS/GKE or...  ...runbooks, deployment guides, and developer docs.**Required Qualifications...  ...and one of TypeScript/Node or C#/.NET.* Practical experience with... 
    Senior
    C#
    Minimum wage
    Work at office

    DXC Technology Inc.

    Ashburn, VA
    3 days ago