363 senior net developer jobs at 181 companies in Fairfax, VA

1mo
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Senior .NET Developer
United States or Washington
RemoteFull Time
Clearwaters.IT
Clearwaters.IT: Provides information technology services and solutions for federal agencies.
8+ YOEU.S. citizen or permanent resident able to obtain Public Trust clearance; 8+ years software development experience (or degree + experience). Strong .NET and Python skills, AWS/Azure, CI/CD, databases, and excellent English communication.
Step Functions, CloudWatch, RDS, Lambda, S3, SQS, SNS, Elastic Container Registry, .NET, Python, Network Load Balancer, Application Load Balancer, Web Application Firewall, DynamoDB, Kinesis Data Stream, Firehose, Java, JavaScript, C#, SQL, RBS, MongoDB, Docker, Kubernetes, GitHub Actions, GitLab CI/CD, GitHub Copilot, Git, Subversion, Jira, Microsoft Azure, Microsoft Office Suite
2mo
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.NET Developer Senior
Arlington or Rosslyn
HybridFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
7+ YOEUS citizen with active Secret clearance; 7+ years relevant experience (Masters+7 or Bachelors+9). Hands-on .NET development, Oracle/SQL integration, CI/CD (GitLab, Jenkins, Nexus), Ansible, Okta/CyberArk, IIS, and Jira experience; agile team experience.
.NET, Oracle, SQL Developer, SQL Plus, Toad, SQL Server Management Studio, Ansible, GitLab, Jenkins, Nexus, Okta, CyberArk, Jira Service Management, IIS
2mo
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.NET Developer Senior
Arlington or Rosslyn
HybridFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
7+ YOE7+ years software experience (Masters+7 or Bachelors+9, may accept experience in lieu), hands-on .NET development, SQL/Oracle DB integration, CI/CD (GitLab, Jenkins, Nexus), DevOps, deployment automation (Ansible), Okta/CyberArk integration, and Jira service management. US citizenship and active Secret clearance required.
.NET, SQL, Oracle, GitLab, Jenkins, Nexus, Okta, CyberArk, Ansible, IIS, Jira Service Management, SQL Developer, SQL Plus, Toad, SQL Server Management Studio
2mo
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Senior .Net Developer #1775411
Alexandria, Virginia, United States
$125k-$135k/yr OnsiteFull Time
Network Designs, Inc.
Network Designs, Inc.: Provides IT, network, and cybersecurity solutions to government agencies.
10+ YOE10+ years .NET development, BS in CS, onsite in Alexandria VA, US citizenship and ability to obtain Public Trust; strong Angular, SQL, APIs, and DevSecOps practices.
Net, Net Core, Angular, SQL, APIs, DevSecOps
3w
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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
3w
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Senior .Net Applications Developer
Washington, District of Columbia, United States
HybridFull Time
AVER
AVER: Provides data analytics and IT services for federal agencies
8+ YOE8+ years .NET application development experience, expertise with .NET Core/.NET 6, C#, Azure/DevOps, databases, web services, security protocols, and leading development teams.
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, Cosmos DB, MongoDB, jQuery, AJAX, Telerik Kendo UI, RESTful Web Services, Windows Services, ASP.NET Core, Entra ID (Azure AD), SAML, OAuth 2.0, OpenID Connect, JSON Web Token (JWT), RBAC, Windows Server 2019, Microsoft Visual Studio 2022, Azure Logic Apps, Event Grid, GraphQL
3w
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Senior .NET Developer
Crum Lynne or Chicago or Reston or Boca Raton
$90k-$150k/yr RemoteFull Time
TransUnion
TransUnionNYSE: TRU: Provides global credit reporting and risk management information solutions.
5+ YOE5+ years building enterprise .NET applications, strong architecture and database skills, Agile experience, cloud and CI/CD familiarity, Bachelor's degree or equivalent experience.
C#, ASP.NET MVC, ASP.NET Web API, .NET Framework, .NET Core, .NET 5, .NET 6, Microsoft Visual Studio, SQL Server, PostgreSQL, AWS, Autofac, Ninject, Unity, CI/CD
2w
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C#/.NET Developer, Senior
Washington, District of Columbia, United States
$130k-$145k/yr OnsiteFull Time
Technica Corporation
Technica Corporation: Provides systems engineering and cybersecurity services to federal agencies.
8+ YOEActive Top-Secret with SCI and CI Poly eligibility; Bachelor’s in Computer Science or equivalent; 8+ years software development; 3–5 years C#/.NET experience; ASP.NET, Entity Framework, SQL Server, unit testing, and secure coding.
C#, .NET, ASP.NET, Entity Framework, SQL Server, Git, GitLab, AWS, Azure, Docker
1d
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.NET Software Developer, Senior
Springfield, Virginia, United States
$87k-$182k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
15+ YOEActive TS/SCI clearance and 15+ years of government or DoD software development experience required; .NET expertise and technical leadership required. Bachelor's degree and listed modern development tools preferred.
Microsoft .NET, C#, ASP.NET Core, .NET Framework, Blazor, Entity Framework, SQL Server, RESTful APIs, Azure DevOps, Git, Microsoft Azure, DevSecOps, CI/CD
3w
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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
1d
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.NET Software Developer, Senior
Springfield, Virginia, United States
$87k-$182k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
15+ YOEActive TS/SCI clearance and 15+ years of government or DoD software development experience. Requires .NET expertise and leadership; bachelor's degree and listed tools or certifications preferred.
Microsoft .NET, C#, ASP.NET Core, .NET Framework, Blazor, Entity Framework, SQL Server, RESTful APIs, Azure DevOps, Git, Microsoft Azure, Agile, DevSecOps, CI/CD, Microsoft Certified: Azure Developer Associate, Azure Solutions Architect, Security+, Certified Scrum Developer
22h
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.NET / C# Developer - Senior - #879
Fort Belvoir, Virginia, United States
OnsiteFull Time
Allen Integrated Solutions
Allen Integrated Solutions: Provides technical and engineering services for national security missions.
8+ YOERequires 8 years of .NET development, 5 years each in SDLC, software testing, SQL stored procedures, mentoring, and defect tracking. Requires TS/SCI with polygraph and DoD 8140.03 IAT Level II certification.
.NET, C#, MS.NET, ASP.NET MVC, Internet Information Services (IIS), Windows Server, Software Development Life Cycle (SDLC), SQL
1w
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.NET Developer
Herndon, Virginia, United States
$65k-$80k/yr RemoteFull Time
BDR Solutions
BDR Solutions: Provider of IT, engineering, and consulting for federal agencies.
5+ YOEU.S. citizen able to obtain Public Trust, Bachelor's in IT or equivalent experience, 5+ years .NET development experience including C#, Webforms/MVC/Web API, ADO.Net/Entity Framework, web services, and Agile/Scrum.
.Net 4.x Framework, C#, Webforms, MVC, Web API, ADO.Net, Entity Framework, SOAP, XML, REST, JSON, jQuery, Bootstrap, Ajax, CSS, Microsoft Azure, DEVOP/CICD Pipeline, GITHUB, GIT, SQL, SSDT, MS SSRS, .NET Core Framework, SAFe Agile
2w
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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
2w
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Senior .Net Application Developer
Arlington or Merrifield
OnsiteFull Time
ASRC Federal
ASRC Federal: Provides engineering and IT services to federal government agencies.
10+ YOERequire U.S. citizenship and active Secret clearance; 10+ years software development including 8+ years ASP.NET C# MVC, 5+ years .NET Core, Agile experience, EMR not mentioned; strong SQL, XML, and frontend skills.
ASP.NET, C#, LINQ, MVC, Entity Framework, Unity, Visual Studio 2010, Visual Studio 2017, Team Foundation Server, ReSharper, SharePoint, NHibernate, jQuery, JavaScript, AJAX, HTML, CSS, Oracle, SQL Server, T4 templates, Classic ASP, Concorde, XML
1mo
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Senior .NET Software Developer
Austin or Alexandria or United States
$110k-$140k/yr RemoteFull Time
Advanced Solutions International
Advanced Solutions International: Cloud software for association and non-profit management.
8+ YOE8+ years building web applications; bachelor’s degree in CS or equivalent experience; strong C#, .NET Core, .NET MVC, Entity Framework, Microsoft SQL/Azure SQL, Visual Studio; experience with performance testing and Azure observability.
C#, .NET Core, .NET MVC, Entity Framework Core, Microsoft SQL Server, Azure SQL, Visual Studio, Java 8, Spring, Hibernate, TypeScript, NodeJS, Postgres, MySQL, JMeter, WAPT, Azure Application Insights, Azure App Service, Azure Containers, .NET Aspire, Microsoft Web Forms, Web API, Microsoft .NET Framework, AngularJS, SAFe
3w
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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 IT consulting and digital business process services.
10+ YOE10+ years .NET development experience, Azure and Angular expertise, microservices and container experience, strong front-end skills, SQL Server and DevOps knowledge, US work authorization required.
Microsoft .NET Core, C#, VB.NET, Microsoft SQL Server, SQL Server Reporting Services (SSRS), ADO.Net, Entity Framework, Docker, Microservices, Azure Functions, Web Jobs, Storage Account, Key Vault, App Insights, Cognitive Service, Service Bus, Azure AD, Azure BOT Service, Azure Open AI, Data Factory, Angular 9+, HTML5, CSS 3, Bootstrap, Material, JavaScript, TypeScript, RXJS, HighCharts, AG Grids, GIT, NPM, Angular CLI
2d
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Sr .Net Developer
Colorado or Colorado Springs or Washington or Virginia or Maryland or Washington
OnsiteFull Time
Blue Rose Consulting Group
Blue Rose Consulting Group: Provides IT and management consulting services to government agencies.
5+ YOEU.S. citizenship, active final DoD Secret clearance, and 5+ years supporting complex technical projects. Requires .NET Framework, C#, Entity Framework, SQL Server, data integration, analysis, reporting, and UI development.
.NET Framework, C#, Entity Framework, SQL Server, CI/CD, SAFe Agile
1mo
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AWS Senior .NET Modernization Engineer
Baltimore, Maryland, United States
OnsiteFull Time
Aligned Technology Group
Aligned Technology Group: Provides AWS-focused cloud consulting and managed technology services.
5+ YOE5+ years with C# and .NET; experience with .NET Framework and .NET Core/.NET 8; modernizing legacy enterprise applications; REST APIs, SQL Server, Git, Agile; strong communication and problem-solving.
.NET Framework, .NET Core, .NET 8, C#, ASP.NET, Docker, Kubernetes, Amazon EKS, SQL Server, Git, Terraform, CloudFormation, AWS CDK, AWS
2mo
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Senior Full Stack .NET Developer with Azure/Angular (On Site)
Washington, District of Columbia, United States
$68k-$140k/yr OnsiteFull Time
Cognizant
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
10+ YOE10+ years in .NET development; strong .NET Core, C#/VB.NET; Angular front-end; Azure cloud with DevOps; SQL Server; on-site in Washington, DC.
.NET, Angular, Azure, SQL Server, Docker, ADO.NET, Entity Framework, C#, VB.NET, SSRS