247 dotnet developer jobs at 133 companies in Holbrook, NY
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Application Developer
Bronx, New York, United States
$115k/yr OnsiteFull Time
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
1w
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Software Developer
New York City, New York, United States
$82k-$135k/yr OnsiteFull Time
Full‑stack development experience with .NET/C# or VB.NET, web technologies, SQL, API design, and familiarity with Symitar; strong communication and regulatory compliance awareness.
.NET, C#, VB.NET, XML, XSLT, SOAP, ASP.NET, CSS, HTML, JavaScript, jQuery, SQL, Microsoft SQL Server, SSIS, PowerOn, OpCon, SymXchange, SymConnect, ARCU
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C# Developer
London or New York City or Europe or Asia
HybridFull Time
Strong C#/.NET development experience, Redis Cluster, TDD and automated testing, CI/CD pipeline experience, distributed/real-time systems knowledge, strong CS fundamentals and stakeholder communication.
C#, .NET, Redis Cluster, Rx .NET, TDD, CI/CD
2w
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.NET Developer
Jersey City or New York
$82k-$127k/yr OnsiteFull Time
Strong hands-on .NET Core/.NET Framework, API and microservices development, AWS and EKS experience, Microsoft SSIS and SQL Server knowledge, CI/CD tooling familiarity, bachelor's degree or equivalent, US work authorization required; no visa sponsorship.
.NET Core, .NET Framework, AWS, EKS, CloudFront, SQS, Glue, Document DB, Microsoft SSIS, Microsoft SQL Server, AWS Aurora, PostgreSQL, Jenkins, TeamCity, Octopus Deploy
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Senior Salesforce Developer
Jacksonville or Dallas or Cincinnati or Los Angeles or Sacramento or Richmond or Minneapolis or Boston or Kansas City or Chicago or Tampa or Washington or San Antonio or Houston or Colorado Springs or Nashville or San Diego or Pittsburgh or Tacoma or New York or Phoenix or Miami or Fayetteville
HybridFull Time
7+ YOE7+ years designing and implementing Salesforce solutions; 5+ years with Apex, LWC, Visualforce and integrations; Salesforce Platform Developer II required; Bachelor’s in CS/IS/software engineering or equivalent.
Salesforce CRM (Sales and Service Cloud), Force.com, Visualforce, Apex, Lightning Web Components, Cascading Style Sheets (CSS), HTML, Java, .NET, Data Loader, AppExchange, React, React Native, SQL
3w
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Software Developer II
New York or Clifton Park or Cincinnati or Philadelphia or Milwaukee or Columbus
OnsiteFull Time
7+ YOE7+ years developing web applications with C#/.NET, Angular, SQL Server; bachelor’s degree or equivalent; experience with Agile, Azure DevOps, Visual Studio; strong communication and troubleshooting skills.
.NET Framework, .NET Core, Microsoft SQL Server, Angular, MVC, Blazor, Azure DevOps, JAMS Enterprise Scheduler, Visual Studio, Git, Microsoft Office Suite, Adobe Acrobat, C#, jQuery
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Senior Software Developer
White Plains, New York, United States
$160k-$180k/yr HybridFull Time
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
3d
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Sr. .NET Engineer
New York City, New York, United States
OnsiteFull Time
8+ YOERequires 8–11 years of IT experience, strong .NET development with C# and ASP.NET, SQL Server, Snowflake, web application development, VSTO, production support, stakeholder coordination, and technical leadership.
.NET, C#, ASP.NET, Microsoft SQL Server, Snowflake, Web Application Development, VSTO, Visual Studio Tools for Office, DevOps
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Sr. Engineer, Software Development
Birmingham or Los Angeles or San Francisco or New York City or Miami or Tampa or Blue Ash or Cincinnati
$121k-$173k/yr HybridFull Time
5+ YOE5+ years software engineering experience with secure API/microservice development, cloud (Azure) experience, observability, Git/DevOps, and fintech security/compliance knowledge.
C#, .NET, SQL, Azure, APIM, Azure SQL, Cosmos DB, Key Vault, Service Bus, Event Hubs, Datadog, Grafana, Git
2w
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Azure/M365 Developer
New York City, New York, United States
$86k-$127k/yr OnsiteFull Time
6+ YOE6+ years software development; experience with Azure services, Power Platform, .NET or Node.js, OAuth/API security, Application Insights; strong communication and collaboration skills.
Azure Functions, APIM, Event Hubs, Azure SQL, Cosmos DB, .NET, Node.js, OAuth, Application Insights, Copilot Studio, Power Automate, Custom Connectors, Jira, Confluence, Postman, Insomnia
3w
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C# .NET Developer
East Haven, Connecticut, United States
OnsiteFull Time
2+ YOE.NET Framework/.NET Core and C# experience, Blazor, SQL Server (2016+), REST/SOAP, Visual Studio, Git, HTML/CSS/JavaScript, web API development, Agile experience.
.NET Framework, .NET Core, Blazor, C#, SQL Server 2016, ASP.NET, ADO.NET, REST, SOAP, Visual Studio, Git, HTML, CSS, JavaScript, JSON, AJAX, Wrike, Jira, bash, PowerShell, cmd
2mo
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Engineer, Operations Technology
Singapore or United Kingdom or Poland or New York City or Hong Kong or United States or Canada or Europe or Asia
OnsiteFull Time
5+ YOE5+ years enterprise development experience; strong expertise in Rust, Java, and C#/.NET; experience with distributed systems, enterprise messaging (Kafka, RabbitMQ, SQS/SNS), AWS (including Lambda), and DevOps tools (JIRA, Git, Jenkins, Octopus Deploy).
Rust, Java, C#, .NET, .NET Core, REST, gRPC, Kafka, RabbitMQ, SQS, SNS, AWS, Lambda, JIRA, Git, Jenkins, Octopus Deploy, proptest, quickcheck, React.js, Angular, Microsoft SQL Server, FIX protocol
2mo
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Portal Developer (Programmer 3)
New York, New York, United States
$85-$90/hr HybridFull Time
8+ YOE8+ years enterprise app development; 3–6 years Dynamics CRM/365; strong Power Pages, C#, .NET, JavaScript, Vue.js; REST APIs; UI/UX; Git; REST API integration.
Microsoft Power Pages, Microsoft Dynamics CRM/365, C#, DOTNET, JavaScript, HTML5, CSS3, Vue.js, Liquid templates, jQuery, Git, REST APIs, Vuex/Pinia, Vue Router, Vite, Webpack, Power Apps, Power Automate, Dataverse, Azure
3mo
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HL7 Application Developer
Queens, New York, United States
$80k-$123k/yr HybridFull Time
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
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Software Developer - IT Business Application
New York City, New York, United States
HybridFull Time
5+ YOE5+ years software development experience with C#/.NET and Python, cloud (Azure) experience, SQL and database design, Agile experience, strong OOP and communication skills.
.NET, .NET Core, C#, Python, SQL, Azure, Azure OpenAI, Cognitive Services, React, Angular, JavaScript, Azure Service Bus, RabbitMQ, Salesforce, Okta
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Change Management - Engineer (TTA)
New York, New York, United States
$100k-$115k/yr HybridFull Time
2+ YOE2+ years developing Tungsten TotalAgility solutions; experience with workflow development, OCR/capture, SQL, web services/API, .NET/C#/JavaScript; TTA developer certification required; strong troubleshooting and communication skills.
Tungsten TotalAgility (TTA), Kofax KTA, SQL, Web services, API, .NET, .NET, C#, JavaScript, Greenhouse
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Software Engineer
New York City, New York, United States
$130k-$150k/yr HybridFull Time
Strong Python and Linux experience, data pipeline and web development skills, familiarity with scientific libraries (NumPy/SciPy/Pandas), Kubernetes and Airflow, experience with AI/LLM tools, strong analytical and communication skills; degree in computing/math preferred.
Python, Linux, NumPy, SciPy, Pandas, scikit-learn, React, Streamlit, FastAPI, Django, ArcticDB, Kubernetes, C#, .NET, Airflow, Microsoft Excel, LLM
4d
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Specialist Software Engineer
New York City, New York, United States
$114k-$135k/yr HybridFull Time
3+ YOEBachelor's degree or equivalent education and experience, 3+ years of relevant experience, programming, software testing, Azure, version control, and software development lifecycle expertise.
Microsoft Rapid Application Development, Azure Cloud, Azure Logic Apps, Azure Functions, Microsoft Power Platform, Git, C#, Ruby, Python, Java, C++, COBOL, MS-SQL Developer, Oracle, .NET, Database Administration (DBA), JavaScript, Azure, Windows Server, RESTful APIs, Linux, Alfresco
2mo
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Sr Developer - Full Stack
Hauppauge, New York, United States
$111k-$158k/yr OnsiteFull Time
6+ YOEBachelor's in computer science or related field; 6+ years software development; experience with C#/.NET, Angular, AngularJS; strong SDLC knowledge; leadership abilities.
C#, .NET, Angular, AngularJS, TFS, Git, MS SQL Server
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Senior Software Engineer
New York City or United States
$155k-$165k/yr RemoteFull Time
Proven experience with .NET Core, C#, T-SQL; experience designing distributed systems, SPA architectures (React), mentoring developers, and delivering projects end-to-end.
.NET Core, C#, T-SQL, React, Visual Studio, gRPC, ASP.NET Web API, Git, MS SQL Server, CosmosDB, Azure, Kubernetes, Continuous Integration/ Continuous Deployment
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