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  •  ...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 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
  •  ...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
  •  ...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
  •  ...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
  • $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
  •  ...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
  • 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
  • $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
  •  ...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
  • $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
  •  ...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
  • $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
  • $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
  • $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
  • $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
  •  ...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
  •  ...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
  •  ...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
  • $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
  •  ...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
  •  ...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
  •  ...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
  •  ...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
  •  ...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
  •  ...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 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
  • $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
  • $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) 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