73 dotnet developer jobs at 50 companies in Cornwall, NY

1mo
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Application Developer
Bronx, New York, United States
$115k/yr OnsiteFull Time
City of New York
City of New York: Provides municipal services and administration for New York City.
5+ YOE5+ years .NET development experience with C#, web/client-server development, Microsoft Azure services, Oracle or Microsoft SQL Server, SDLC (Agile/Waterfall), and production support; bachelor’s degree preferred or equivalent experience.
Oracle, Microsoft SQL Server, C#, .NET, .NET (4.5), .NET (4.7), .NET (4.8), .NET Core, MVC, ADO.NET, Web Services, Web APIs, HTML5, CSS, JavaScript, jQuery, Bootstrap, WPF, MVVM, XAML, PHP, ASP, Python, Telerik UI, Node.js, React, Azure App Service, Azure Functions, Azure WebJobs, Azure Logic Apps, Azure Blob Storage, Microsoft Azure DevOps, Microsoft Active Directory, Microsoft SharePoint, Microsoft identity platform
2w
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Senior Developer
Whippany, New Jersey, United States
$110k-$125k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
6+ YOE6+ years developing with Blazor, .NET Core/C#, advanced SQL Server, EF Core; experience integrating Azure OpenAI/Coding Agent, building .NET Web APIs, and working with Azure services and CI/CD.
Blazor, .NET Core, C#, SQL Server, Azure OpenAI, Coding Agent, .NET Web API, Entity Framework Core, Azure App Services, Azure SQL, Key Vault, API Management, Azure DevOps, GitHub Actions
1mo
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IT Software Developer
Spring Valley, New York, United States
$110k-$150k/yr OnsiteFull Time
Hamaspik Choice
Hamaspik Choice: Managed long-term care plan providing healthcare services to Medicaid-eligible individuals.
5+ YOE5+ years C#/.NET development experience, 3+ years ASP.NET and ETL/SSIS experience, SQL Server, Visual Studio, Python, experience with medical terminology and healthcare technology preferred.
C#, .NET, ASP.NET, ASP.NET Core, ASP.NET MVC, SQL Server, SSIS, Visual Studio, ALTREX, DTS, Python
3mo
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Sr. Engineer Development
Montvale, New Jersey, United States
HybridFull Time
KPMG
KPMG: Global professional services network providing audit, tax, and advisory.
3+ YOE3+ years software development experience; strong Python, C# or .NET, Angular and SQL skills; experience with microservices, REST APIs, authentication, and Azure; ML framework experience preferred.
Microsoft Azure, Microsoft Azure App Services, Microsoft Azure Functions, Microsoft Azure SQL Database, Azure OpenAI, Angular, TypeScript, Python, .NET Framework, C#, SQL, PyTorch, TensorFlow, scikit-learn, DevOps
3w
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Senior Software Developer
White Plains, New York, United States
$160k-$180k/yr HybridFull Time
Skadden
Skadden: Global law firm providing legal advisory and litigation services.
5+ YOEBachelor's in Computer Science or related, 5+ years enterprise application development, experience with .NET, React, Python, C#, TypeScript, CI/CD and AI-enabled services; strong architecture and communication skills.
.NET, React, Python, C#, ReactJS, TypeScript
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Azure Database Developer
Montvale, New Jersey, United States
OnsiteContract
Delan Associates
Delan Associates: Provides engineering and professional services to government agencies.
Experienced database developer with strong T SQL, Microsoft SQL Server and Microsoft Azure SQL skills; PowerShell and Azure DevOps experience; knowledge of database design, performance tuning, and .NET integration.
Microsoft SQL Server, Microsoft Azure, Microsoft Azure SQL, T SQL, Microsoft PowerShell, Microsoft Azure DevOps, GitHub, Microsoft .NET, C#, Bicep, ARM, Terraform
1w
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Application Developer II
Livingston, New Jersey, United States
$95k-$124k/yr OnsiteFull Time
Formosa Plastics
Formosa PlasticsTaiwan Stock Exchange: 1301: Produces plastic resins and petrochemicals for industrial use.
2+ YOE2+ years software development experience; strong C#/.NET and MS SQL Server skills; experience with Git/Azure DevOps, front-end web technologies, and cloud platforms; bachelor\u0002s degree preferred.
.NET Framework, C#, ASP.NET, Git, GitHub, Azure DevOps, MS SQL Server, HTML5, CSS3, JavaScript, AJAX, PHP, Django, Spring, Node.js, IIS, AWS, GCP
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Senior Software Developer, Lexington
Parsippany or Jersey City
$86k-$106k/yr OnsiteFull Time
AIG
AIG: Global provider of property casualty insurance and risk solutions.
4+ YOEBachelor's in CS/IS, 4+ years software development experience in insurance, proficiency with .Net, SQL Server, SSIS, JS, HTML, C#, Angular, Type Script, Dev-Ops, cloud platforms; strong communication and leadership skills.
.Net, SQL Server, SSIS, JS, HTML, C#, Angular, Type Script, Dev-Ops
3mo
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HL7 Application Developer
Queens, New York, United States
$80k-$123k/yr HybridFull Time
The Fund for Public Health in New York City
The Fund for Public Health in New York City: Incubates and manages public health programs for New York City.
3+ YOEFull stack development experience; DOT.NET C# with Visual Studio; SQL Server/SSIS; RESTful API; HL7/FHIR data exchange; health data systems; strong communication; independent and collaborative work style.
.NET C#, Visual Studio, SQL Server, SSIS, Stored Procedures, RESTful API, HL7, FHIR, Python, Microsoft Office Suite
1mo
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Full Stack Developer
Parsippany or Conshohocken or Wilkes Barre or Alpharetta or Scottsdale
$78k-$180k/yr HybridFull Time
Berkshire Hathaway GUARD Insurance Companies
Berkshire Hathaway GUARD Insurance Companies: Provides property and casualty insurance products to small businesses.
Degree in CS or equivalent experience; backend and frontend development experience (C#/.NET, React/Angular/Vue), cloud (Azure), databases, Git, CI/CD, AI-assisted tools; strong problem-solving and collaboration skills.
C#/.NET, React, Angular, Vue, Azure, Git, GitHub Copilot, ChatGPT, SQL, NoSQL, OAuth, OpenID
2w
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Lead Software Engineer
Shelton or Indiana or Ohio or Louisiana or Iowa or New Hampshire or Delaware or North Carolina or Utah or Montana or Oklahoma or Virginia or Arkansas or Alabama or Missouri or Pittsburgh or Nevada or San Antonio or Tampa or St. Petersburg or Mississippi or Orlando or Tennessee or New Mexico or Kansas or Florida or Maitland or Phoenix or Idaho or West Virginia or Maine or Pennsylvania or Nebraska or South Carolina or Georgia or Wisconsin or Texas or Gilbert or Sunrise or Port St. Lucie or Kentucky or Dallas
HybridFull Time
HealthPlanOne
HealthPlanOne: Digital marketplace for health insurance and Medicare plans.
7+ YOE7+ years C#/.NET development experience, bachelor's in CS or related, strong OOP and design patterns, SQL Server and Azure experience, DevOps and source control familiarity.
.NET Framework, .NET Standard, .NET Core, .NET 9, .NET, C#, Blazor, Razor Pages, ASP.NET WebForms, WCF, Worker Services, JavaScript, Microsoft SQL Server, Microsoft Azure, CI/CD, Git, Microsoft Azure DevOps, Jira, Confluence
3d
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Senior Software Engineer
New York City, New York, United States
$98k-$100k/yr OnsiteFull Time
Breaking Ground
Breaking Ground: Provides supportive housing and social services to homeless populations.
5+ YOEBachelor's in Computer Science or equivalent experience, 5+ years of software development, web application experience, and proficiency in C#, JavaScript, Python, SQL, SQL Server, ASP.NET, Microsoft Azure, and CI/CD pipelines.
C#, JavaScript, Python, SQL, SQL Server, ASP.NET, Microsoft Azure, CI/CD pipelines
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Sr Software Development Engineer
Houston or Greenwich
$93k-$232k/yr HybridFull Time
IQVIA
IQVIANYSE: IQV: Provides clinical research and data analytics for pharmaceutical companies.
10+ YOE10+ years software development experience; proficiency in .NET and/or Java; cloud (AWS/Azure) experience; hands-on coding, API and database design, CI/CD and Git; healthcare claims or analytics domain experience preferred.
.NET, Java, AWS, Azure, FHIR, HL7, CI/CD, Git
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Senior Software Engineer
Parsippany-Troy Hills, New Jersey, United States
$132k-$145k/yr OnsiteFull Time
Med-Metrix
Med-Metrix: Provides software and services for healthcare revenue cycle management.
2+ YOEMaster's in CS or related required; 2+ years designing and developing .NET web applications using C#, ASP.NET, MVC, MS SQL Server, Visual Studio, Blazor, and Azure/AWS; healthcare and HIPAA experience; strong analysis and testing skills.
.NET Framework, C#, ASP.NET, MVC, MS SQL Server, Visual Studio, Blazor, Azure, AWS, SQL
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Sr Software Development Engineer
Houston or Greenwich
$93k-$232k/yr HybridFull Time
IQVIA
IQVIANYSE: IQV: Provides clinical research and healthcare data analytics services.
10+ YOE10+ years software development experience; hands-on coding in .NET and/or Java; cloud (AWS/Azure); claims adjudication or healthcare payments experience; API, FHIR/HL7, CI/CD and Git; database design and performance tuning; microservices and cloud-native architectures.
.NET, Java, AWS, Azure, FHIR, HL7, CI/CD, Git
4d
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Senior .NET Engineer (Azure/ Kubernetes)
Cary or Whippany or New York City or Greenville or Bridgewater
$110k-$138k/yr HybridFull Time
MetLife
MetLifeNYSE: MET: Global provider of insurance, annuities, and financial services.
5+ YOERequires 5+ years in enterprise software development and Azure or comparable cloud infrastructure, with .NET, C#, REST APIs, Docker, AKS, Istio, distributed systems, and troubleshooting expertise.
.NET, C#, REST APIs, Azure, Azure Kubernetes Service (AKS), Azure Service Bus, Azure Monitor, Application Insights, Docker, Istio, Terraform, Bicep, ARM templates, Azure API Management (APIM), Azure Key Vault, Prometheus, Grafana, OpenTelemetry, Claude AI, Copilot Studio, MCP servers
2mo
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Staff IT Enterprise Applications Software Developer
Secaucus, New Jersey, United States
$105k-$140k/yr OnsiteFull Time
ZT Systems
ZT SystemsNASDAQ: SANM: Manufactures custom server and storage hardware for data centers.
5+ YOE5+ years C#/.NET web development; MVC/MVVM; SQL; web development experience; Visual Studio; SVN or Git; strong communication.
C#, ASP.NET, MVC, MVVM, AngularJS, KnockoutJS, SQL, Visual Studio, Git, SVN, Bootstrap, MaterialDesign, Ionic
1w
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Generative AI Lead Engineer
Dallas or Stamford or Chicago
$120k-$140k/yr HybridFull Time
Cognizant
CognizantNasdaq: CTSH: Provides IT consulting and digital business process services.
Strong experience with generative AI, LLMs and prompt engineering; hands-on development using .NET, React, Python; designing RAG pipelines, model training/fine-tuning, and Azure deployments.
.NET, React, Python, Claude, LangChain, LlamaIndex, Azure
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SQL Database Developer
Montvale, New Jersey, United States
OnsiteFull Time
Orion Innovation: Provides digital transformation, software engineering, and cloud services.
Deep expertise in Azure SQL/SQL Server, T-SQL, PowerShell, CI/CD with Azure DevOps/GitHub, database design, performance tuning, and cloud database deployments.
Azure SQL, SQL Server, T SQL, PowerShell, Azure DevOps, GitHub, .NET, C#, Bicep, ARM, Terraform
6d
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Senior Software Developer
Roslyn, New York, United States
$145k-$155k/yr OnsiteFull Time
EmPRO
EmPRO: Provides medical malpractice insurance to physicians and healthcare facilities.
5+ YOE5+ years experience with Oracle or SQL Server, 2+ years BI/reporting, experience with ETL, Linux scripting, SFTP integrations, JavaScript and programming languages (C#, .Net, Java, Python); bachelor's degree required.
Oracle, SQL Server, Origami Risk, Linux, JavaScript, SAP BusinessObjects, Power BI, Tableau, SFTP, GIT, C#, .Net, Java, Python