.NET jobs in Arlington, VA

Hybrid in Washington, District of Columbia

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3d ago

Position Summary: Title: .NET and Cloud Architect Duration: 6 Months Possible Extension Location: Washington, DC 20433 Hybrid Onsite: 4 days per week from Day 1, with a full transition to 100% onsite anticipated soon SKILLS AND EXPERIENCE: Industry Experience: 12+ years of progressive experience as a .NET and Cloud Architect, with a proven track record of delivering enterprise-grade financial systems.Specialized Platform Expertise: 8+ years of hands-on experience with the FIS Investran / Privat

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Third Party, Contract

Depends on Experience

Application Developer(.NET)

Washington, District of Columbia

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Today

Application Developer FedTec is seeking Mid-Level Application Developer to support the continued development, enhancement, integration, maintenance, modernization, and support of informatics and mobile health (mHealth) solutions. This role will address new requirements and support the expansion, upgrade, maintenance, and, where applicable, decommissioning of existing applications. A key focus will be the continued automation and enhancement of HuRIS and its allied systems, including major clini

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Full-time

.NET and Cloud Architect

Hybrid in Washington, District of Columbia

•

3d ago

Easy Apply

Third Party, Contract

Depends on Experience

.Net Full Stack Developer

Vienna, Virginia

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Today

.Net Full Stack Developer 6- 10 Months Contract - Possible extension Location: Vienna, VA / Livonia, MI Note: Onsite | Local Candidates within 40 milesIn-Person Interview RequiredRequired skills : C#. Net and AI Coding tools exp. Job description: Strong coding experience in any of these languages (C# and .Net), Unit testing, REST API designExperience integrating with ERP systems (Microsoft Dynamics NAV / Business Central strongly preferred)Proven experience designing real-time systems (Signal

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Contract, Third Party

Depends on Experience

.NET and Cloud Architect

Hybrid in Washington, District of Columbia

•

3d ago

Title: .NET and Cloud Architect Duration: 6 Months Possible Extension Location: Washington, DC 20433 Hybrid Onsite: 4 days per week from Day 1, with a full transition to 100% onsite anticipated soon. SKILLS AND EXPERIENCE: Industry Experience: 12+ years of progressive experience as a .NET and Cloud Architect, with a proven track record of delivering enterprise-grade financial systems.Specialized Platform Expertise: 8+ years of hands-on experience with the FIS Investran / Private Capital Suite.Fi

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Third Party, Contract

Depends on Experience

Senior ColdFusion/.NET Developer

Washington, District of Columbia

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Yesterday

Client is seeking an experienced Senior ColdFusion/.NET Developer to support a mission-critical application environment for the (FDA). The successful candidate will be responsible for designing, developing, enhancing, maintaining, and modernizing enterprise applications built using Adobe ColdFusion and Microsoft .NET technologies. This role requires a strong hands-on developer who can work effectively across both legacy and modern application environments, troubleshoot complex technical issues,

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Full-time

Depends on Experience

.NET & REACT Full Stack Developer

Washington, District of Columbia

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Today

Overview The. NET/React Developer will play a critical role in the design, development, and maintenance of enterprise-grade web applications and services. This role is responsible for building high-quality, scalable software solutions using the Microsoft .NET stack on the back end and React (with TypeScript/JavaScript) on the front end. This role will engage in the full software development lifecycle-from requirements analysis and solution design through implementation, testing, deployment, an

Full-time

.NET Software Developer - Full-Stack (Multiple Levels)

Washington, District of Columbia

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Today

Responsibilities Noblis is helping the Federal Aviation Administration (FAA) manage large and complex telecommunications and information management programs that use state of the art technologies to manage enterprise infrastructure services essential to the safe and efficient operation of the largest, safest, and most complex aviation system in the world. We are seeking smart, passionate, and motivated people to join our proven team in a challenging and rewarding work environment where you will

Full-time

USD 65,200.00 - 101,950.00 per year

.NET and Cloud Architect

Hybrid in Washington, District of Columbia

•

3d ago

Easy Apply

Contract, Third Party

Depends on Experience

.Net Software Engineer

Vienna, Virginia

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Today

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

Senior Full-Stack .Net Developer

Ashburn, Virginia

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Today

Job ID: 2617274 Location: Ashburn, VA, US Date Posted: 2026-09-25 Category: Software Subcategory: SW Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_HYBRID Description SAIC is currently seeking a motivated, career and customer-oriented Principal Software Engineer to join our team in Ashburn, VA to begin an exciting and challenging career with SA

Full-time

USD 120,001.00 - 160,000.00 per year

.NET Developer

Arlington, Virginia

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Today

100% Remote | C#/.NET | Growing SaaS Company This Jobot Job is hosted by: Ellie Staver Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $110,000 - $130,000 per year A bit about us: We are a growing software company providing a cloud-based SaaS platform used by organizations across the country to manage their day-to-day operations. Our platform supports everything from registration and scheduling to billing, payments, attendance, reporting, a

Full-time

USD 110,000.00 - 130,000.00 per year

Full Stack .Net Developer

Ashburn, Virginia

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Today

Job ID: 2617276 Location: Ashburn, VA, US Date Posted: 2026-09-25 Category: Software Subcategory: SW Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_HYBRID Description SAIC is currently seeking a motivated, career and customer-oriented Mid-Level Software Engineer to join our team in Ashburn, VA to begin an exciting and challenging career with SA

Full-time

USD 80,001.00 - 120,000.00 per year

Lead .Net Full Stack Developer

McLean, Virginia

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4d 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

.NET Developer

Columbia, Maryland

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Today

Full-time

USD 110,000.00 - 130,000.00 per year

.NET Developer

Washington, District of Columbia

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Today

We are a federal IT company on a mission to make customer experience (CX) the center of every government solution. Technology is our Passion. People are our Purpose. We know tech, but we love people. NuAxis is home to thinkers and feelers; engineers and artists. We work hard and support each other along the way. Teamwork is more than just a buzzword for us, it's a state of mind. We believe happy employees do amazing work, so join our team NOW! We are currently seeking a talented and motivated UI

Full-time

W2 Role-.Net Architect

Washington, District of Columbia

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8d ago

.Net Architect Wahington DC(Day 1 onside) Contract Qualifications & Experience 10+ years of experience working within an IT organization, software vendor, or enterprise technology department. applications, digital platforms, and web-based solutions. 6+ years of experience designing and governing architecture for complex enterprise Proven experience architecting and governing integration across heterogeneous technology lam scapes, encompassing cloud, on-premises, SaaS, legacy, custom-built, and

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Full-time

Depends on Experience

.Net Architect

Hybrid in Oakton, Virginia

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Yesterday

Job Title: .NET Solution Architect SharePoint, K2 & AI Integration Location: Oakton, VA (1 day onsite - 4 days remote) Client: Federal Experience: 12+ Years Work Authorization: As per client requirements Mandatory: Previous Federal client experience and strong working knowledge of .NET, SharePoint, K2, and AI integration. Over all 12+ years of experience and must have strong working experience on.NET Architect SharePoint, K2 & AI IntegrationMust have prior experience with a Federal client.Job

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Full-time

Depends on Experience

Manager .NET Full Stack Engineering

Remote

•

Today

Manager .NET Full Stack Engineering (Healthcare Provider Domain) Direct Hire Opportunity | No Visa Sponsorship Available (U.S. work authorization required). Job Summary We are seeking an experienced Full Stack Development Manager with strong expertise in the US healthcare provider domain to lead the design, development, and delivery of scalable, cloud-native applications. This is a hands-on technical leadership role requiring expertise in .NET/C#, React or Angular, AWS, healthcare interoperabili

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Full-time

Depends on Experience

C#/.Net Software Engineer

Hybrid in North Bethesda, Maryland

•

Yesterday

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

.NET jobs in Arlington, VA 22203, USA