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269 c net developer jobs at 148 companies in Silver Spring, MD

1mo
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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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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
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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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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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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Senior .NET Developer
Washington, District of Columbia, United States
HybridFull Time
Andworx
Andworx: Delivers digital transformation and IT solutions for federal agencies.
8+ YOE8+ years building enterprise .NET applications, experience with ASP.NET/.NET Core/.NET 6, C#, MVC/MVVM, Entity Framework, Oracle, REST/SOAP/JSON/XML, Agile; U.S. citizenship and ability to obtain a Position of Trust (public trust) clearance.
ASP.NET, .NET CORE, .NET 6, MVC, MVVM, Entity Framework, Oracle, Azure DevOps, C#, REST, SOAP, JSON, XML
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2mo
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.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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Sr. .Net Developer II (6661)
Washington, District of Columbia, United States
$147k-$161k/yr HybridFull Time
MetroStar
MetroStar: Provides digital transformation and IT services to government agencies.
8+ YOE8+ years .NET development experience (C#, ASP.NET MVC/Core), React, Node.js, Power Platform, MS SQL, CI/CD and Git; active Secret clearance; local to DMV; bachelor\u0002s in CS or equivalent experience.
.NET, C#, ASP.NET MVC, ASP.NET Core, React, Node.js, GitHub Copilot, OpenAI Codex, Microsoft Power Platform, Microsoft Power Apps, Microsoft Power Automate, Microsoft Power BI, Microsoft Dataverse, Microsoft SharePoint, SharePoint (2013 or newer), MS SQL, Entity Framework, RESTful API, CI/CD, Git, Microsoft 365, Microsoft Teams, Microsoft Outlook, Microsoft Excel, Microsoft Word, Microsoft OneDrive
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1d
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Software Developer (.Net/C#)
Quantico, Virginia, United States
$140k-$190k/yr HybridFull Time
Full Visibility
Full Visibility: Provider of technical and engineering solutions for government agencies.
2+ YOE2+ years developing Windows applications with C#/.NET, bachelor’s degree or 6+ years equivalent, Visual Studio, Git/Mercurial, relational DB experience, strong troubleshooting and communication skills.
C#, .NET Framework 4.0, Visual Studio 2012, Git, Mercurial
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Senior .NET Developer
Rockville or United States
HybridContract
eTelligent Group
eTelligent Group: Providing IT modernization and cybersecurity solutions for federal government agencies.
US citizen required. Proficient in .NET Core/.NET 8, C#, Azure services, API security, Microsoft Entra ID/B2C, Azure OpenAI/Azure AI Foundry, GitHub Copilot, CI/CD, containers, SQL/Cosmos DB, and modern UI frameworks.
.NET Core, .NET 8, C#, Azure, App Services, Functions, API Management, Service Bus, Azure SQL, Azure OpenAI, Azure AI Foundry, GitHub Copilot, GitHub, Azure DevOps, CI/CD, Cosmos DB, Blazor, React, Angular, Microsoft Entra ID/B2C
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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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.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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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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4d
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Senior Software Engineer-.Net
Baltimore, Maryland, United States
$110k-$120k/yr HybridFull Time
InVita Healthcare Technologies
InVita Healthcare Technologies: Software for blood, donation, and forensic life-saving operations.
5+ YOEBachelor's degree and 5+ years .Net experience with WinForms, C# or VB.NET, SQL Server, Entity Framework; experience with GIT, Jira, Bitbucket; strong communication and troubleshooting skills.
.Net, WinForms, C#, VB.NET, SQL Server, Entity Framework, GIT, Jira, Bitbucket, DevExtreme, Infragistics, Telerik
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Senior .NET Developer – Azure & AI Solutions
Rockville, Maryland, United States
OnsiteFull Time
ASSYST
ASSYST: An IT firm that provides digital transformation, DevSecOps, cybersecurity, and AI integration services for government agencies.
Expert C#, ASP.NET Core, .NET 8/.NET Core, Azure and AI solution experience including Azure OpenAI, RAG, AI Agents, CI/CD, and modernizing legacy .NET apps.
.NET 8, .NET Core, C#, ASP.NET Core, Microsoft Azure, Azure App Services, Azure Functions, API Management, Service Bus, Azure SQL, Azure OpenAI, Azure AI Foundry, AI Agents, Retrieval-Augmented Generation (RAG), GitHub Copilot for Developers, Microsoft Entra ID/B2C, GitHub, Azure DevOps, SQL, Cosmos DB, Blazor, React, Angular
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3w
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Senior Software Engineer (C#/.NET)
Arlington, Virginia, United States
$143k-$187k/yr HybridFull Time
CoStar Group
CoStar GroupNASDAQ: CSGP: Global provider of commercial and residential real estate data.
5+ YOE5+ years .NET (C#) experience, bachelor's degree, experience with large-scale distributed systems, cloud (AWS/Azure), RESTful APIs, telemetry/observability, and familiarity with LLMs or agent architectures.
C#, .NET, SQL Server, AWS, Web API, RESTful, ASP.NET MVC, Lambda, DynamoDB, SQS, LLMs, SQL
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