408 asp net developer jobs at 258 companies in United States

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.Net Developer
Washington, District of Columbia, United States
$110k-$120k/yr OnsiteFull Time
Koniag Emerging Technologies
Koniag Emerging Technologies: Alaska Native-owned computer services supporting federal defense and civilian agencies with installation and disaster recovery.
3+ YOERequires Secret clearance and 3+ years of .NET development preferred. Experience with C#, ASP.NET, Microsoft SQL Server, Git, Visual Studio, web technologies, APIs, and Agile methodologies; bachelor's degree preferred.
.NET, C#, ASP.NET, Microsoft SQL Server, JavaScript, jQuery, HTML, CSS, Web Forms, MVC, Visual Studio, Git, Azure DevOps, Web Services (API), ADO.NET, Entity Framework, Angular
3w
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Senior .NET Developer
Wausau or Lafayette or Belton or Knoxville or Mobile or Troy or Lebanon or Henderson
$81k-$141k/yr HybridFull Time
CGI
CGITSX: GIB.A: Global IT consulting and business services firm.
5+ YOERequires 5+ years developing enterprise web applications with .NET, C#, and ASP.NET; SQL databases, architecture, security, APIs, version control, and collaboration tools. Associate degree or equivalent experience required.
.NET, C#, ASP.NET, Software Development Life Cycle (SDLC), TFS, Azure DevOps Server, JIRA, Confluence, Microsoft SQL Server, T-SQL, MySQL, MVC, MVVM, Domain-Driven Design (DDD), Test-Driven Development (TDD), CI/CD, jQuery, CSS, HTML5, Claude Code, GitHub Copilot, ChatGPT Codex, AWS, Google Cloud Platform (GCP), Microsoft Azure, Model Context Protocol (MCP), Docker, Docker Compose, Kubernetes, Oracle 11g/12c, Windows Workflow Foundation (WF), Tableau, Salesforce, Microsoft Dynamics, WCAG 2.1 Level AA
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Senior Engineer - .NET
United States
$151k-$215k/yr RemoteFull Time
GEICO
GEICO: A leading provider of auto and property insurance.
4+ YOEBachelor's in CS or related, 4+ years .NET software development, experience with cloud/DevOps and Azure, EM architecture and design, strong communication and mentoring skills.
.NET, .NET Core, ASP.NET, Angular, Express, Azure DevOps, Azure Network, Azure, DevOps, Scrum, Kanban, SAFe
4w
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Dot Net Developer
Atlanta or Hartford or Raleigh or Richardson
$64k-$95k/yr OnsiteFull Time
Infosys
InfosysNYSE: INFY: Global leader in next-generation digital services and consulting.
.NET stack experience (.NET, ASP.NET, MVC, C#, WPF, WCF), Microsoft SQL Server and Entity Framework, strong OOP and API development skills, bachelor's degree or equivalent, agile experience preferred.
.NET, ASP.NET, MVC, C#, WPF, WCF, Microsoft SQL Server, Entity Framework, JavaScript
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Senior .NET / ASP.NET Developer
United States
RemoteFull Time
Lucayan Technology Solutions
Lucayan Technology Solutions: Veteran-owned IT and staffing firm serving U.S. Department of Defense and commercial organizations.
5+ YOEU.S. citizenship, active Tier 1+ federal background investigation, bachelor's degree or equivalent, 5–7 years of development experience, .NET, ASP.NET, Oracle, Classic ASP, C#, JavaScript, and secure coding expertise.
.NET Framework, .NET Core, ASP.NET MVC Core, Classic ASP, Oracle, C#, JavaScript, GitHub Enterprise, Login.gov, OpenID, Keycloak, OpenAPI, AWS GovCloud, Agile, DevSecOps, DoD STIGs, microservices, CompTIA Security+, hardened container images
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.Net Engineer
Chicago, Illinois, United States
$100k-$120k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesBSE: 532540: Global leader in IT services, consulting, and business solutions.
6+ YOERequires 6+ years in C#/.NET, including 2+ years with Web API and WCF; 1+ year with .NET Core; Oracle RDBMS and SQL knowledge. AWS and AI preferred.
C#, .NET Core, Web API, WCF, ASP.NET, VB.NET, Oracle RDBMS, SQL, AWS, AI
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Senior .Net Developer
New York City, New York, United States
$140k-$145k/yr OnsiteFull Time
City of New York
City of New York: Official government portal for the City of New York.
4+ YOERequires a bachelor's degree in computer science, engineering, or related field with 4 years of relevant experience, or a bachelor's degree with 8 years of relevant experience. Strong .NET, SQL, API, and cloud skills preferred.
.NET, C#, ASP.NET, MVC, SQL, Web API, Angular, REST, JSON, Visual Studio, Azure DevOps, XML, OData, SOAP, JavaScript, HTML5, CSS3, jQuery, SDLC, Agile, SCRUM, Microsoft Office Suite, Microsoft Visio
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Senior .NET Developer (Remote in US)
Hartford or United States
$65k-$117k/yr RemoteFull Time
Cognizant
CognizantNASDAQ: CTSH: Global professional services providing technology and consulting services.
8+ YOERequires 8+ years developing enterprise applications with C# and .NET, ASP.NET, .NET Core, REST APIs, ADO.NET, and Entity Framework, plus technical leadership in Agile environments.
C#, .NET, ASP.NET, MVC, Web API, Web Forms, .NET Core, .NET 5, .NET 6, REST APIs, ADO.NET, Entity Framework, Python, Claude, Microsoft Copilot
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Senior .NET Developer (Remote in US)
Hartford or United States
$65k-$117k/yr RemoteFull Time
Cognizant
CognizantNASDAQ: CTSH: Global professional services providing technology and consulting services.
8+ YOERequires 8+ years developing enterprise applications with C# and .NET, strong ASP.NET experience, .NET Core, REST APIs, ADO.NET, Entity Framework, technical leadership, and Agile delivery.
C#, .NET, ASP.NET, MVC, Web API, Web Forms, .NET Core, .NET 5, .NET 6, REST APIs, ADO.NET, Entity Framework, Python, Claude, Microsoft Copilot, Scrum, Agile
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Senior .NET Developer (Remote in US)
Hartford or United States
$65k-$117k/yr RemoteFull Time
Cognizant
CognizantNASDAQ: CTSH: Global professional services providing technology and consulting services.
8+ YOERequires 8+ years developing enterprise applications with C# and .NET, ASP.NET, .NET Core, REST APIs, ADO.NET, Entity Framework, technical design, code reviews, troubleshooting, and Agile delivery.
C#, .NET, ASP.NET, MVC, Web API, Web Forms, .NET Core, .NET 5, .NET 6, REST APIs, ADO.NET, Entity Framework, Python, Claude, Microsoft Copilot
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.NET C# Developer
Washington, District of Columbia, United States
$140k-$142k/yr OnsiteFull Time
Cayuse Holdings
Cayuse Holdings: Tribally owned technology and government-services holding serving commercial, government, and tribal clients.
3+ YOETop Secret clearance, 3–5 years developing C#/.NET software, ASP.NET, Entity Framework, SQL Server, testing, REST/RPC APIs, secure coding, and collaboration skills. Bachelor's degree or 8+ years' equivalent experience.
C#, .NET, ASP.NET, Entity Framework, SQL Server, REST, RPC, Git, GitLab, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Adobe Acrobat, DevSecOps, CI/CD, Azure, AWS, Agile, Scrum, Kanban, Jira, Azure DevOps
2w
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Senior .NET Developer
Washington or District of Columbia
HybridFull Time
Andworx
Andworx: Private U.S. IT firm delivering Microsoft cloud, automation, data, and AI solutions to federal and commercial clients.
8+ YOERequires 8–10 years developing enterprise applications, .NET, C#, ASP.NET, MVC, Oracle, Agile methods, a relevant bachelor's degree or equivalent, U.S. citizenship, and ability to obtain Position of Trust clearance.
ASP.NET, .NET Core, .NET 6, MVC, Entity Framework, Oracle, Microsoft Azure DevOps, C#, MVVM, REST, SOAP, JSON, XML, Agile, Kanban, Scrum, SDLC
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Senior .NET Developer
United States or Rockville
$125k-$130k/yr RemoteFull Time
A-TEK
A-TEK: A federal government contractor providing digital transformation, cybersecurity, IT, and scientific services to U.S. agencies.
6+ YOEBachelor's degree in computer science or related field; 6+ years of .NET development in federal or secure environments; proficiency with C#, ASP.NET, T-SQL, IIS, Git/GitLab, testing, performance tuning, and QA/QC.
ASP.NET, C#, Microsoft SQL Server, DevOps, T-SQL, IIS, Git, GitLab
2w
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Mid-Level .NET Developer
Colorado Springs or Washington or Colorado
OnsiteFull Time
Blue Rose Consulting Group
Blue Rose Consulting Group: Service-disabled veteran-owned firm specializing in human capital and IT.
4+ YOERequires 4+ years of C#/ASP.NET development, .NET Framework or .NET Core, Entity Framework, Visual Studio, SQL Server, GitLab, data integration, reporting, and an active Final DoD Secret clearance.
C#, ASP.NET, ASP.NET Framework, Microsoft .NET Core, Entity Framework, SQL Server, Web API, Microsoft Visual Studio, GitLab, CI/CD, Agile, SAFe
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Senior .NET Developer (Contract)
Troy or Detroit
OnsiteMultiple Commitments Available
V2X
V2XNYSE: VVX: Global provider of integrated mission support and infrastructure solutions.
7+ YOE7+ years software development experience with C# and ASP.NET, proven .NET Framework to .NET 8 migration, strong Microsoft SQL Server skills, REST/JSON integration, JS framework experience, and AI/ML integration exposure.
C#, Microsoft ASP.NET, Microsoft .NET Framework, Microsoft .NET 8, Microsoft SQL Server, jQuery, React, Angular, OpenAI API, Microsoft Azure AI, REST APIs, JSON
2mo
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Sr Engineer - .Net FullStack
Hyderabad or United States or Canada or Mexico
OnsiteFull Time
Clean Harbors
Clean HarborsNYSE: CLH: Environmental, energy, and industrial services provider.
8+ YOE8+ years .NET (C#, ASP.NET, .NET Core/.NET 6+) and Angular experience; front-end (HTML5, CSS3, JavaScript/TypeScript), API development, Microsoft SQL Server, Microsoft Azure preferred, strong OOP/design skills, Agile experience, mentoring ability.
.NET, .NET Core, .NET 6+, C#, ASP.NET, ASP.NET Core, Angular, HTML5, CSS3, JavaScript, TypeScript, Microsoft SQL Server, Microsoft Azure, Claude, Cursor AI, GitHub Copilot, Agile, Scrum
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Sr..Net Developer III (6681)
Washington, District of Columbia, United States
$184k-$225k/yr HybridFull Time
MetroStar
MetroStar: AI-enabled technology services provider delivering transformation, cybersecurity, and modernization solutions to U.S. defense and national-security agencies.
10+ YOE10+ years developing enterprise applications; expertise in C#, .NET, ASP.NET, Entity Framework, TypeScript, JavaScript, Angular or React, SQL Server, Docker, and CI/CD. Requires active Top Secret/SCI and certifications.
C#, .NET, .NET Framework, Entity Framework, ASP.NET, WebForms, MVC, REST APIs, TypeScript, JavaScript, HTML, CSS, Node.js, Angular, React, SQL Server, T-SQL, Azure DevOps, GitLab, GitHub, CI/CD, Docker, Windows Server, PowerShell, IIS, Kerberos, OIDC
1mo
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C#/.NET Developer, Senior
Washington, District of Columbia, United States
$130k-$145k/yr OnsiteFull Time
Technica Corporation
Technica Corporation: Veteran-owned federal IT services firm delivering engineering, cybersecurity, software, and technology solutions to government 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
2mo
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Lead .Net Developer
Lisle, Illinois, United States
$112k-$168k/yr OnsiteFull Time
Navistar
Navistar: American commercial truck, bus, engine, and parts manufacturer serving North American fleets as a TRATON subsidiary.
1+ YOEExperience with .NET Core, ASP.NET, C#, ReactJS, SQL, Kubernetes, Git/TFS, CI/CD; Bachelor's (2+ yrs) or Master's (1+ yr) or 5+ yrs experience; authorized to work in the US.
.NET Core, ASP.NET, C#, VB.NET, Visual Studio, ReactJS, HTML, XML, CSS, JSON, JavaScript, jQuery, SQL, SOAP, REST, GitFlow, Kubernetes, SOLID, ADO, JIRA, CI/CD, TFS, GIT, Azure, Telerik
2mo
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C#/.NET Developer
Washington, District of Columbia, United States
$151k-$156k/yr OnsiteFull Time
E-INFOSOL
E-INFOSOL: Veteran-owned IT services firm delivering cloud, cybersecurity, software, and data solutions to government and commercial clients.
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