C# jobs in Ashburn, VA

Hybrid in North Bethesda, Maryland

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Today

C#/.Net Software Engineer Rockville, MD hybrid (2 days a week onsite) $105-110K This is an engineering role that works as part of the software engineering team towards the development and deployment of enterprise and informatics software systems to support cancer clinical trials and research. The role provides a strong career growth opportunity in an innovative technology environment working in one of our nation's premier research organizations. Responsibilities: Manage individual task prior

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Full-time

Depends on Experience

Full Stack Software Developer with C#/.NET Expertise

McLean, Virginia

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Today

Job Title: Full Stack Software Developer with C#/.NET Expertise Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * Bring your expertise and sense of urgency to a team performing mission critical work. Within this team and supporting our product, you will have a direct hand in shaping requirements and expectations for current and fut

Full-time

USD 90,300.00 - 189,600.00 per year

Golang Developer

McLean, Virginia

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Yesterday

Golang Developer HYBRID in McLean, Virginia - 3 days per week GOLANG experience is a big portion of this 6 month contract 3 days in office possible C2H 2 rounds of interview (coding then design/behavior) do not need a clearance hybrid in McLean, VA all internal development - no outside client stuff Please make sure candidates have these: Must have: Experience developing backend services (i.e REST API services, at least 3+ years) in programming languages like Go (Prefer) or Java/C# (but the

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Full-time, Part-time, Contract, Third Party

USD 90-90

.Net Software Engineer

Vienna, Virginia

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30+d ago

Position: .Net Fullstack Developer Duration: 12 Months with possible extension Location: Vienna, VA Position Summary We are seeking a Senior Full Stack Engineer to lead the design, development, and delivery of scalable enterprise applications across frontend, backend, APIs, and data platforms. This role requires a hands-on technical leader who can architect complex systems, mentor engineers, drive best practices, and deliver high-quality solutions using .NET, React/Angular, and SQL technologies

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Full-time

Depends on Experience

Sr .Net Full Stack Developer

Hybrid in Vienna, Virginia

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Today

Sr .Net Full Stack Developer - AI Coding 6- 10 Months Contract - Possible extension Location: Onsite Vienna, VA / Livonia, MI - Hybrid Onsite | Local Candidates within 40 milesIn-Person Interview RequiredJob description: Job Summary We are seeking an experienced Full Stack Developer with strong expertise in C#/.NET application development, modern front-end technologies, and AI-powered coding tools. The ideal candidate will have hands-on experience developing, enhancing, and maintaining enterpri

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Contract, Third Party

Depends on Experience

Lead .Net Full Stack Developer

McLean, Virginia

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3d ago

Job Summary 7+ years of software development experience. Strong coding experience in any of these languages (C# and .Net), Unit testing, REST API designStrong React / TypeScript / Next.js 15 App Router, RTK Query, Tailwind CSS, component library patternsExperience integrating with ERP systems (Microsoft Dynamics NAV / Business Central strongly preferred)Proven experience designing real-time systems (SignalR, WebSockets, or equivalent)OpenAPI/Swagger specification authoring and API contract-first

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Contract

$60 - $70

Full Stack Developer (Entry Level)

Sterling, Virginia

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15d ago

ASSYST is seeking a motivated Full Stack Developer (Entry Level) to join our growing engineering team in Sterling, VA (Onsite). This role offers an excellent opportunity to gain hands-on experience building enterprise-grade applications in an Agile environment. Responsibilities: Develop and maintain full-stack web applications across both front-end and back-end systems.Write clean, maintainable code and build reusable application components and APIs.Design responsive user interfaces using modern

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Full-time

Depends on Experience

Stock Loan Senior Developer C#/.NET

Remote

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Today

Role: Stock Loan Senior Developer C#/.NET Location: NYC (Remote) Experience: 7+ Years Job Description We are looking for a "Senior C#/.NET Developer with strong Stock Loan and Capital Markets" experience. The ideal candidate will have hands-on experience developing financial applications and strong expertise in C#/.NET technologies. Required Skills: * 7+ years of software development experience. * Stock Loan domain experience is required.* * Strong *C#, .NET, WPF, and WCF* development skills. *

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Full-time

Depends on Experience

Senior Programmer (C# .Net)

Remote or Hybrid in Los Angeles, California

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Today

Job Title: Senior C# .NET Developer Remote Duration: 12 Months Skills Required The Senior Programmer will possess knowledge and experience in applications software development principles and methods sufficient to participate in the design, development, testing and implementation of new or modified applications software; operating systems installation and configuration procedures; organization's operational environment; software design principles, methods and approaches; principles, methods and

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Third Party, Contract

.NET Full Stack Engineer

Vienna, Virginia

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Today

Hi, We currently have an exciting opportunity for a .NET Full Stack Engineer with one of our direct clients. This is an onsite position based in Vienna, VA (Onsite).Please let me know if you d be interested in discussing this opportunity further. Job Title: .NET Full Stack Engineer Job Type: Contract Location: Vienna, VA(Onsite) Job Summary: We are looking for an experienced Senior.NET Full Stack Engineer with a strong background in designing, developing, and deploying enterprise-grade applicat

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Third Party, Contract

Depends on Experience

Senior Software Engineer - .NET, C#, WPF

Remote

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Today

Job Description A Global Software Engineering company is seeking a Senior Software Engineer to develop and extend business applications for enterprise clients while providing technical leadership and mentorship to the development team. Working within an Agile Scrum environment, you will build and enhance applications across desktop and mobile platforms, including WPF, UWP, iOS, and Android. This role combines hands-on software development with project ownership, client engagement, and solution

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Full-time

$115000 - $130000

C#/.NET Developer

Remote

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2d ago

Required qualifications Strong professional C#/.NET backend-service development experience. Practical Java coding experience; candidates are not expected to be stronger in Java than in .NET. Experience designing, building, and supporting microservices or distributed systems in production. Hands-on experience with Kubernetes, containers, Helm, Terraform, Azure, and CI/CD pipelines. Experience with telemetry, monitoring, observability, debugging, and troubleshooting production services. Experience

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Contract

Up to 50

Full Stack Developer / C# .NET / Vue / Azure / Remote

Remote

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Today

A leading food services and facilities management organization is seeking a Full Stack Developer for a remote contract opportunity. This role will support application modernization initiatives and the migration of enterprise applications to Microsoft Azure, utilizing technologies including C#, .NET, Vue/Nuxt, SQL, and RESTful APIs to build and enhance business-critical solutions. What sets this opportunity apart is the chance to work on modernizing and rebuilding applications in a collaborative

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Contract

$45 - $75

Software Engineer

Remote or Reston, Virginia

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Today

A leading U.S. homebuilder headquartered in Reston, VA, is seeking a full-time, on-site Software Engineer to join its technology team. This role focuses on developing and supporting enterprise applications, APIs, services, and integrations using C#, .NET, JavaScript, SQL Server, and Microsoft technologies. This role offers the chance to build technology that has a visible, real world impact. Our Client is looking for a hands-on Software Engineer who enjoys solving complex business problems, coll

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Full-time

Senior Software Engineer (C#/.NET)

Arlington, Virginia

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Today

Senior Software Engineer (C#/.NET) Job Description Overview CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index, CoStar Group is on a mission to digitize the world's real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. We have been living and breathing the world of real estate information and onlin

Full-time

USD 143,000.00 - 187,000.00 per year

.NET / C# Developer - Senior - #879

Fort Belvoir, Virginia

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Today

.NET / C# Developer - Senior - #879 Location: Fort Belvoir, VA TS/SCI w/CI Poly REQUIRED Experience: Eight years of experience in .NET Development (including MS.NET, C#, MVC 4+, and Internet Information Services (IIS) for Windows Server web development).Five years of experience with Software Development Life Cycle Process (SDLC).Five years of experience with software development Unit Testing, System Testing, Functional Testing, User Acceptance Testing, or other development testing experience.F

Full-time

C# Developer

Remote

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Today

Veeam is the Data and AI Trust Company, specializing in helping organizations ensure their data and AI are fully understood, secured, and resilient to enable the acceleration of safe AI at scale. As the market leader in both data resilience and data security posture management, Veeam is built for the convergence of identity, data, security, and AI risk. Headquartered in Seattle with offices in more than 30 countries, Veeam protects over 550,000 customers worldwide, who trust Veeam to keep their

Full-time

USD 168,480.00 - 280,800.00 per year

Managing Engineer (C#/ASP.NET)

Remote

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Today

At Allstate, great things happen when our people work together to protect families and their belongings from life's uncertainties. And for more than 90 years, our innovative drive has kept us a step ahead of our customers' evolving needs. From advocating for seat belts, air bags and graduated driving laws, to being an industry leader in pricing sophistication, telematics, and, more recently, device and identity protection. Job Description The Managing Engineer (C#/ASP.NET) leads a team of softwa

Full-time

USD 100,000.00 - 170,500.00 per year

Software Engineer III: Backend C#

Remote

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Today

Jack Henry, provides advanced bill payment and money transfer solutions to banks and credit unions. We offer modernized smart technology, including AI driven, security, cloud-based software, and fraud monitor, to deliver engaging payment solutions to customers. Our solutions help financial institutions to meet the payment expectations of today and the payment innovation needs of tomorrow. Payments become smarter, engaging, and predictive with Payrailz. We are looking for a software engineer who

Full-time

Software Engineer - C#/ BCS

Reston, Virginia

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Today

Job Summary: Securiport LLC is a U.S.-based company headquartered in Reston, VA, specializing in the design and implementation of advanced border security solutions, including passenger biometric recognition, immigration processing, and intelligent information management systems. Our technology enables governments worldwide to enhance security, screening, and operational efficiency. We are seeking a Software Engineer (3-5 years experience) to join our Product Development team. In this role, you

Full-time

USD 110,000.00 - 135,000.00 per year

C# jobs in Ashburn, VA, USA