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Manassas • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Manassas • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Manassas • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Manassas • 50 milesRemote · Hybrid · Onsite · Field · All Environments

283 c net developer jobs at 137 companies in Manassas, VA

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C#/.NET Developer

Washington, District of Columbia, United States

$151k-$156k/yr OnsiteFull Time

E-INFOSOL

E-INFOSOL: Provides secure cloud and cybersecurity solutions for government agencies.

8+ YOEActive Top-Secret clearance, Bachelor’s in IT, minimum 8 years experience with 3–5 years using C#/.NET; experience with ASP.NET, Entity Framework, Microsoft SQL Server, REST/RPC, Git/GitLab, unit/integration testing, and secure coding practices.

C#, .NET, ASP.NET, Entity Framework, Microsoft SQL Server, REST, RPC, Git, GitLab, AWS, Azure, Docker, CI/CD

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C# / .Net Developer

Washington, District of Columbia, United States

$125k-$155k/yr OnsiteFull Time

Synergy ECP

Synergy ECP: Provides cybersecurity and systems engineering for defense agencies.

8+ YOEBachelor's degree and 8+ years software engineering experience; 3–5 years with C#/.NET, ASP.NET, Entity Framework, and Microsoft SQL Server; experience with REST/RPC, unit/integration testing, secure coding; active TS/SCI clearance and U.S. citizenship required.

C#, .NET, ASP.NET, Entity Framework, Microsoft SQL Server, Git, GitLab, Docker, AWS, Azure, REST, RPC, CI/CD

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3mo

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.Net / C# Developer - Senior

Fort Belvoir, Virginia, United States

OnsiteFull Time

Evans & Chambers Technology

Evans & Chambers Technology: Develops technology solutions and software for national defense missions.

8+ YOEEight years in .NET development; five years in SDLC; testing experience; SQL database development; mentoring; defect tracking.

.NET, C#, MVC, IIS, SQL, SDLC

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Cleared C# / .NET Developer

Washington, District of Columbia, United States

$91k-$185k/yr OnsiteFull Time

Accenture Federal Services

Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.

3+ YOEBachelor's degree with 3+ years developing software using C#/.NET, ASP.NET, Entity Framework, and SQL Server; unit testing, secure coding, Git/GitLab; active Top Secret clearance and US citizenship; onsite Washington, DC.

C#, ASP.NET, Entity Framework, SQL Server, REST, RPC, Git, GitLab, AWS, Azure, Docker, CI/CD

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Senior .NET/C# Developer

Fort Belvoir, Virginia, United States

OnsiteFull Time

IPT Associates

IPT Associates: Provides IT and professional services to federal government agencies.

8+ YOE8+ years .NET/C# experience, 5+ years SDLC, testing, SQL stored procedures, and mentoring. DoD 8140.03 IAT Level II and active security clearance required; ability to obtain SI/TK/G/HCS and NATO Secret accesses.

MS .NET, C#, MVC 4+, IIS, Windows Server, SQL Server

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.NET / C# Developer (Top Secret/SCI Clearance)

Fort Belvoir, Virginia, United States

OnsiteFull Time

Inflow

Inflow: Providing AI and engineering services for national security missions.

8+ YOEActive TS/SCI clearance; 8+ years .NET development; 5+ years SDLC and testing; 5+ years SQL; DoD/IC environment experience; mentoring; DoDD 8140.01 IT Level II.

NET, C#, MVC, IIS, Visual Studio, Azure DevOps, SQL, ADO, DNI Audit XML

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.NET C# Developer

Washington, District of Columbia, United States

$145k-$151k/yr OnsiteFull Time

Cayuse Holdings

Cayuse Holdings: Tribally-owned provider of IT and professional services.

3+ YOE3+ years C#/.NET experience, ASP.NET, Entity Framework, SQL Server; Bachelor's degree preferred or 8+ years experience; active Top Secret clearance; unit/integration testing and secure coding experience.

C#, .NET, ASP.NET, Entity Framework, SQL Server, REST, RPC, Git, GitLab, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Acrobat, Azure, AWS, Jira, Azure DevOps

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.NET Developer

Arlington, Virginia, United States

$104k-$218k/yr OnsiteFull Time

CACI International

CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.

5+ YOE5–7 years software development experience, active Secret clearance, Bachelor's in CS/related (or equivalent), proficiency in C#, .NET/ASP.NET/.NET Core, React, Razor, Microsoft SQL Server, REST, and Git; strong troubleshooting and communication skills.

C#, .NET, ASP.NET, .NET Core, React, Razor Pages, Razor Views, Microsoft SQL Server, RESTful API, Git, Microsoft Azure DevOps, Entity Framework, TypeScript

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.NET Developer (TSC)

Arlington, Virginia, United States

OnsiteFull Time

Prime Source Technologies

Prime Source Technologies: Provides IT solutions, software development, and systems integration services.

3+ YOE2+ years in software development; 3+ years with .NET (C#, ASP.NET, SQL Server, Web Forms); bachelor's or master's degree; secret or top secret clearance; Git/Jenkins; Agile/JIRA preferred.

.NET, C#, ASP.NET, SQL Server, Web Forms, Git, Jenkins, JIRA

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Jr. Net, C#, SQL Developer - Active Top Secret required

Washington, District of Columbia, United States

$74k-$92k/yr OnsiteFull Time

General Dynamics Information Technology

General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.

3+ YOEActive Top Secret with SCI eligibility, US citizenship, 3+ years related experience (2+ years software development), Bachelor's in CS/Engineering or equivalent, CompTIA Security+, development experience with Microsoft .NET, C#, SQL, JS, HTML, and strong written communication.

Microsoft .NET, C#, SQL, JS, HTML, CompTIA Security+

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.Net Applications Developer

Washington, District of Columbia, United States

HybridFull Time

AVER

AVER: Provides data analytics and IT services for federal agencies

5+ YOE5+ years .NET application development experience with C#, .NET Core/.NET 6+, Azure DevOps/GitHub Actions, EF Core, SQL/Oracle, REST APIs, and secure authentication; bachelor’s degree or equivalent experience.

Microsoft C# (.Net CORE), Microsoft .NET 6, Microsoft .NET Framework 4.8, Microsoft Azure DevOps, GitHub Actions, Azure App Services, Azure Functions, Azure API Management, Azure Storage, Azure Key Vault, Entity Framework Core (EF Core), SQL Server, Oracle, MVC, MVVM, jQuery, AJAX, Telerik Kendo UI, RESTful Web Services, Windows Services, ASP.NET Core, Entra ID (formerly Azure Active Directory), SAML, OAuth 2.0, OpenID Connect, JSON Web Tokens (JWT), Microsoft Visual Studio 2022, Azure Logic Apps, Event Grid, Cosmos DB, GraphQL

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.NET Developer, Mid-level

Washington, District of Columbia, United States

HybridFull Time

Andworx

Andworx: Delivers digital transformation and IT solutions for federal agencies.

3+ YOE3+ years developing enterprise .NET applications; experience with ASP.NET,.NET Core,C#,MVC,Entity Framework,REST/SOAP integrations,Oracle,Agile; US citizenship and ability to obtain Position of Trust.

ASP.NET, .NET Core, C#, MVC, MVVM, Entity Framework, Azure DevOps, REST, SOAP, JSON, XML, Oracle

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Jr. Net, C#, SQL Developer - Active Top Secret required

Washington, District of Columbia, United States

$74k-$92k/yr OnsiteFull Time

GDIT

GDITNYSE: GD: Delivers IT and mission services to government agencies.

3+ YOEActive Top Secret/SCI clearance, US citizenship, 3+ years related experience (2+ in software development), Bachelor’s degree or equivalent, CompTIA Security+, experience with Microsoft .NET, C#, SQL, JS, HTML, and strong written communication.

Microsoft .NET, C#, SQL, JS, HTML

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1mo

.NET Software Engineer

McLean, Virginia, United States

$69k-$158k/yr RemoteFull Time

Booz Allen Hamilton

Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.

2+ YOE2+ years .NET, C#, Web API; Docker; Agile; requirements gathering; Secret clearance; Bachelor's degree.

.NET, C#, Web API, Docker, Agile Methodology, Jenkins, GitHub Actions, Azure DevOps

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3d

Senior .Net Developer #1824528

Alexandria, Virginia, United States

$135k-$160k/yr OnsiteFull Time

Network Designs, Inc.

Network Designs, Inc.: Provides IT, network, and cybersecurity solutions to government agencies.

10+ YOEU.S. citizen able to obtain Public Trust, 10+ years experience, advanced C#, .NET, ASP.NET Core, Angular, Microsoft SQL Server, RESTful API and web application development.

C#, .NET Core, .NET 6, ASP.NET Core, Angular, TypeScript, HTML, CSS, JavaScript, Entity Framework, Entity Framework Core, Microsoft SQL Server, Git, Microsoft Azure, Microsoft Azure App Services, Azure Functions, Azure SQL, Microsoft Azure DevOps, GitHub, Docker, Kubernetes, xUnit, NUnit, Jasmine, Karma, Cypress, Jenkins, GitHub Actions

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2mo

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2mo

.NET Developer

Arlington, Virginia, United States

$104k-$218k/yr HybridFull Time

CACI

CACINYSE: CACI: Provides information technology and professional services to government clients.

5+ YOE5–7 years software development experience; active Secret clearance; BS in CS/SE/IT; strong C#, .NET, React; SQL Server; REST APIs; Git; independent; good communication.

C#, ASP.NET, .NET Core, React, Razor Pages, Razor Views, SQL Server, REST, Git

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Software Engineer (C#/.NET)

Arlington, Virginia, United States

$108k-$154k/yr HybridFull Time

CoStar Group

CoStar GroupNASDAQ: CSGP: Global provider of commercial and residential real estate data.

3+ YOEBachelor's degree, 3+ years C#/.NET development, experience with cloud platforms (AWS/Azure), RESTful services, SQL, distributed systems, monitoring/telemetry, and familiarity with LLMs or agent architectures.

C#, .NET Framework, SQL Server, SQL, AWS, Web API, RESTful web services, ASP.NET MVC, large language models (LLMs), AWS Lambda, Amazon DynamoDB, Amazon SQS

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Software Engineer (C#/.NET)

Arlington, Virginia, United States

$108k-$154k/yr HybridFull Time

CoStar Group

CoStar GroupNASDAQ: CSGP: Provides global real estate information, analytics, and online marketplaces.

3+ YOEBachelor's degree,3+ years .NET (C#) development,cloud experience (AWS/Azure),REST/ASP.NET MVC,data modeling,monitoring/telemetry,LLM familiarity and strong communication skills.

C#, .NET Framework, SQL Server, AWS, Azure, Web API, ASP.NET MVC, Lambda, DynamoDB, SQS, Large language models (LLMs)

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Senior .Net Developer with Azure/Angular

Washington, District of Columbia, United States

$68k-$140k/yr OnsiteFull Time

Cognizant

CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.

10+ YOE10+ years .NET development experience with .NET Core, C#/VB.NET, SQL Server, Azure platform and Angular; strong DevOps, microservices, containerization, security and performance tuning skills.

.NET Core, C#, VB.NET, ADO.Net, Entity Framework, Microsoft SQL Server, SQL Server Reporting Services (SSRS), Docker, Microservices, Azure Functions, FunctionApp, Web Jobs, Storage Account, Key Vault, App Insights, Cognitive Service, Service Bus, Azure AD, Azure BOT Service, Azure Open AI, Data Factory, Azure Event Grid, Azure Event Hubs, Angular 9+, HTML5, CSS 3, Bootstrap, Material, JavaScript, TypeScript, RXJS, HighCharts, AG Grids, GIT, NPM, Angular cli

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.NET Software Developer, Junior

Arlington, Virginia, United States

$90k-$110k/yr OnsiteFull Time

TIAG

TIAG: Technology and management solutions provider for government and industry.

2+ YOEActive Secret clearance, CompTIA Security+ and CE certifications, 2+ years developing with Microsoft .NET (C#, ASP.NET, .NET Core), experience with HTML/CSS/JavaScript and relational databases, bachelor's degree or equivalent.

C#, ASP.NET, .NET Core, HTML, CSS, JavaScript, Microsoft SQL Server, Oracle, PostgreSQL, Azure DevOps, Git, Jira

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