522 net developer jobs at 228 companies in Frederick, MD

2mo
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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
1mo
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.NET Developer
Arlington or Rosslyn
HybridFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
3+ YOEBachelors +5 yrs (or Masters +3 yrs) experience; hands-on .NET development, SQL/Oracle database integration, CI/CD (GitLab/Jenkins/Nexus), deployment automation (Ansible), Okta/CyberArk integration, Jira; US citizenship and active Secret clearance required.
.NET, Oracle, SQL, SQL Developer, SQL Plus, Toad, SQL Server Management Studio, Ansible, GitLab, Jenkins, Nexus, Okta, CyberArk, Jira Service Management, IIS
3w
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Senior Engineer – .NET
Bethesda, Maryland, United States
$151k-$184k/yr HybridFull Time
GEICO
GEICO: Provides vehicle and property insurance services to consumers.
4+ YOEBachelor's in CS or related, 4+ years .NET software development experience, 2 years architecture/design and DevOps/Azure experience, proficiency with Azure DevOps, cloud engineering, .NET Core/ASP.NET, Angular/Express; occasional on-call and background check.
Scrum, Kanban, SAFe, .NET, .NET Core, ASP.NET, Angular, Express, Azure DevOps, Azure Network, DevOps
3mo
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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
4w
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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
1mo
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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
3w
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Senior .NET Developer
Columbia or United States
RemoteFull Time
APV
APV: Provides information technology and consulting services to government agencies.
8+ YOEBachelor's degree, minimum 8 years' relevant experience, strong hands-on Microsoft .NET Framework/.NET Core development, Angular, SQL/T-SQL, JavaScript/JSON/HTML/XML, Git/GitHub, Azure DevOps, and experience maintaining legacy enterprise .NET codebases.
Microsoft .NET Framework, .NET Core, Angular, SQL Server, T-SQL, JavaScript, JSON, HTML, XML, Git, GitHub, Azure DevOps, Azure Boards, HEAT, Elasticsearch, Redis
3w
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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
1w
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Senior .Net Developer #1815017
Alexandria or McLean or Washington
$125k-$140k/yr HybridFull Time
Network Designs, Inc.
Network Designs, Inc.: Provides IT, network, and cybersecurity solutions to government agencies.
8+ YOEU.S. citizen with active Public Trust clearance, BS in Computer Science (or related), 8+ years' experience, .NET/SQL/Azure experience, EM/VM familiarity, strong communication and critical thinking.
.NET, SQL, Dynamics, Azure Application Service Environments, Windows Virtual Machines, CI/CD
3w
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.NET Software Engineer
Arlington or McLean
$69k-$158k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
2+ YOE2+ years .NET, C#, Web API experience; Docker and Agile experience; experience migrating to .NET 5/8/10; Secret clearance and Bachelor’s degree required; CI/CD and modern web framework experience preferred.
.NET, .NET 5, .NET 8, .NET 10, C#, Web API, Docker, Java, Python, JavaScript, Angular, React, NodeJS, Jenkins, GitHub Actions, Microsoft Azure DevOps
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
1mo
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Senior .Net Developer with Azure/Angular
Washington, District of Columbia, United States
OnsiteFull Time
Cognizant
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
10+ YOE10+ years .NET development with .NET Core, Azure, Angular; strong SQL Server; DevOps experience; on-site in Washington DC; US work authorization.
.NET Core, C#, VB.NET, SQL Server, SSRS, Azure, Angular, HTML5, CSS3, JavaScript, TypeScript, Docker, ADO.NET, Entity Framework, Azure AD, OpenAI, Data Factory, PowerShell
3w
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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
3w
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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
3mo
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Software Engineer (.NET) - Secret Clearance
Arlington, Virginia, United States
HybridFull Time
VMD Corp
VMD Corp: Provides airport security screening and cybersecurity for federal agencies.
2+ YOE2+ years hands-on .NET development experience; interim secret clearance; bachelor's in computer science or related field.
ASP.NET, .NET, C#, HTML, CSS, JavaScript, jQuery, XML, Bootstrap, AngularJS, MVC, AJAX, Web Services, Kendo UI, Oracle, PL/SQL, Toad, Visual Studio, IIS, Windows Server, HTTPS, Ansible
3w
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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
1w
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Senior .Net Applications Developer
Washington, District of Columbia, United States
OnsiteFull Time
AVER
AVER: Provides data analytics and IT services for federal agencies
8+ YOE8+ years .NET application development experience, proficiency with C#, .NET 6+/Framework 4.8, Azure/DevOps, EF Core, relational and NoSQL databases, web services, authentication protocols, and leadership experience.
Microsoft C#, 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 Active Directory), SAML, OAuth 2.0, OpenID Connect, JSON Web Tokens (JWT), RBAC, Microsoft Visual Studio 2022, Azure Logic Apps, Event Grid, GraphQL
3w
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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
1mo
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.NET Software Engineer/Developer
Arlington, Virginia, United States
HybridFull Time
Foxhole Technology
Foxhole Technology: Independent employee-owned technology and security solutions provider.
7+ YOE7+ years software engineering; 3+ years with .NET; Bachelor’s degree; IT team leadership experience; analysis, design, testing, and implementation.
NET Framework, IIS, Oracle, SQL Developer, SQL Plus, Toad, SQL Server Management Studio, GitLab, Jenkins, Nexus, Ansible, OKTA, CyberArk, Jira Service Management
1w
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.NET Services Engineer
McLean or United States
RemoteFull Time
Aretum
Aretum: Provides technology-enabled mission support services for federal government agencies.
8+ YOE8+ years software development experience with ASP.NET/Core and C#; experience with GraphQL, PostgreSQL, EFCore, Azure, Kubernetes, Azure DevOps, and unit testing; U.S. citizenship and Public Trust eligibility required.
C#, .NET, ASP.NET Core, Entity Framework Core (EFCore), PostgreSQL, GraphQL, Azure, AKS, Azure Pipelines, Azure Key Vault, Kubernetes, Helm, Open Telemetry, Azure DevOps (ADO), Git