21 net developer jobs at 19 companies in Riverhead, NY
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.NET Developer
Deer Park, New York, United States
$115k-$120k/yr RemoteFull Time
4+ YOE4+ years building C#/.NET applications, SQL Server, web framework experience (Blazor/ASP.NET/React), Git/SVN, RabbitMQ preferred, production support experience, AI tool (Claude) usage, clear written communication.
C#, .NET, SQL Server, Blazor, ASP.NET, React, Git, SVN, RabbitMQ, Jira, PagerDuty, Claude
2w
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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
1w
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Full Stack Developer (.NET API) - Senior Software Engineer
Stamford, Connecticut, United States
OnsiteFull Time
6+ YOEBachelor's in computer science or related field, 6+ years full-stack experience with .NET Core API, Angular and SQL Server, strong C#/Web API and front-end (HTML/CSS/JavaScript) skills, REST API experience, communication and leadership abilities.
Angular, .NET Core, SQL Server, C#, Web API, HTML, CSS, JavaScript, Microsoft Azure, Git
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
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
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
1w
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Generative AI Lead Engineer
Dallas or Stamford or Chicago
$120k-$140k/yr HybridFull Time
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
2mo
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Generative AI Lead Engineer
Dallas or Stamford or Chicago
$120k-$140k/yr HybridFull Time
Generative AI, LLMs, prompt engineering; hands-on with .NET, React, Python; AI/ML architecture design (RAG); model training and optimization; Azure deployment
.NET, React, Python, LangChain, LlamaIndex, Claude, Azure
2mo
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Generative AI Lead Engineer
Dallas or Stamford or Chicago
$120k-$140k/yr HybridFull Time
5+ YOEStrong experience in Generative AI, LLMs, prompt engineering; hands-on with .NET, React, Python; experience with RAG architectures, API integrations; Azure cloud; ability to deploy AI-enabled applications.
.NET, React, Python, LangChain, LlamaIndex, Claude, Azure, RAG
2mo
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Senior Software Engineer (Hybrid)
Farmingdale, New York, United States
$90k-$115k/yr HybridFull Time
7+ YOEBachelor's in IT/CS/CE required, 7+ years experience (including 3+ as senior), expertise in C#, WPF/WinForms, SDLC, Microsoft Azure DevOps; hardware interfacing and DAQ experience preferred.
C#, WPF, WinForms, Microsoft Azure DevOps, .NET, .NET Core, ASP.NET, Angular, Entity Framework, SQL, Relational DB, Multi-Function DAQ, PLC, Windows
2w
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Lead Engineer - Cloud & Gen AI
Orange, Connecticut, United States
$141k-$176k/yr OnsiteFull Time
10+ YOEBachelor's degree and 10+ years relevant experience; 3+ years AI; strong AWS and Azure, Terraform, Docker, Kubernetes, Python/Java/.NET; experience with TensorFlow or PyTorch and vector databases; excellent communication.
AWS, Azure, Terraform, TensorFlow, PyTorch, Python, Java, .NET, Docker, Kubernetes, Langchain, Semantic Kernel, Spring AI, vector databases
3w
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Quality Engineer
Wallingford, Connecticut, United States
OnsiteFull Time
3+ YOEBachelor's in engineering, 3+ years quality engineering experience in aerospace, proficiency with DISCUS and Net-Inspect, knowledge of AS9100/AS9102, strong problem-solving and communication skills.
DISCUS, Net-Inspect
1w
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Software Engineer
Westbury, New York, United States
$120k-$135k/yr OnsiteFull Time
5+ YOE5+ years .NET and database experience, Bachelor's in Computer Science or equivalent, strong C#, SQL/Oracle, Web API, front-end scripting, Visual Studio, version control, and communication skills.
Microsoft .Net C#, Microsoft .Net framework, Microsoft .Net Core, WPF, Winforms, Webforms, MVC, Web API, LINQ, ADO.Net, Azure, Java Script, JQuery, Visual Studio, SQL Server, SSMS, SSRS, SSIS, Oracle, SQL Developer, ETL, PVCS, Subversion, TFS, Cobol, EDI
1mo
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Spec, Software Engrg
Hauppauge, New York, United States
$100k-$125k/yr OnsiteFull Time
4+ YOE4+ years professional software development; Bachelor's in CS/IS or equivalent; strong Visual Basic .NET and C# skills; Microsoft SQL Server and T-SQL experience; Visual Studio, Power BI, Agile experience; US person/clearance eligibility preferred.
Microsoft Visual Studio, Visual Basic .NET, C#, Microsoft SQL Server, Transact-SQL, Microsoft Power BI, AutoCAD, Windows, ERP, Agile
3d
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Quality Engineer – AS9102 FAI Specialist for Middletown, Connecticut
Northford or Middletown
$83k-$93k/yr OnsiteMultiple Commitments Available
5+ YOERequires 5+ years of aerospace quality inspection, AS9102 FAI expertise, drawing and BOM interpretation, precision inspection tools, and U.S. citizenship. GD&T, AS9100, Net-Inspect, IPC-A-610, and J-STD-001 preferred.
Net-Inspect, BOM, GD&T, calipers, micrometers, thread gages, functional gages
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Senior Software Engineer - D425 Hull, Mechanical & Electrical Systems
Groton, Connecticut, United States
HybridFull Time
5+ YOEBSc in CS/Electrical/Computer Engineering,5+ years software engineering experience,ability to obtain DoD Secret clearance,embedded software and hardware integration,unit testing,source control experience.
C++, Java, .NET, Python, Git, SVN, Linux RTOS, LabVIEW, IBM DOORS
2w
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Embedded Systems Engineer (Hardware & Firmware Design)
Bellmore, New York, United States
$85k-$130k/yr OnsiteFull Time
10+ YOEBachelor's degree required, 10+ years embedded systems experience, strong C skills, Microchip PIC/MPLAB experience, familiarity with communication protocols and firmware debugging.
Microchip PIC, MPLAB IDE/IPE, C, C#, VB, .NET, SQL, TCP/IP, UDP, SPI, I²C, UART, RS-232/485, USB, Bluetooth, RTOS
2mo
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Development Associate / Development Executive, Long Island
Woodbury, New York, United States
$67k-$82k/yr OnsiteFull Time
1+ YOEBachelor's degree required; 1-5 years fundraising or sales experience; experience with high-net-worth donors; strong interpersonal, presentation, and research skills; proficient with Microsoft Office, Zoom, and Microsoft Teams.
Microsoft Office, Zoom, Microsoft Teams
2mo
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Personal Risk Advisor - CT - Norwalk
Norwalk, Connecticut, United States
OnsiteFull Time
5+ YOE5+ years of High Net Worth sales experience; current P&C license; strong communication, presentation, and interpersonal skills; professional network of COIs; proficient in Microsoft Office.
Microsoft Office
2mo
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D365 F&O Technical Solution Architect
Denver or Los Angeles or Washington or Troy or New York or Houston or Chicago or Grand Rapids or Owings Mills or Richmond or Raleigh or Boston or San Jose or San Francisco or Austin or Kalamazoo or Spokane or Fort Worth or Atlanta or Orlando or Dallas or Wilmington or Phoenix or San Antonio or Milwaukee or Madison or McLean or Woodbridge or Stamford or Miami or Philadelphia or Charlotte or West Palm Beach or Costa Mesa or St. Louis or Fort Lauderdale or Seattle or Rosemont or Pittsburgh or Tulsa or Cincinnati or Cleveland or Columbus or Akron or Cherry Hill or Tampa or Minneapolis or Anchorage or Salt Lake City or Jacksonville or Boulder or Nashville or Oak Brook or Las Vegas or Indianapolis or San Diego
$158k-$197k/yr OnsiteFull Time
6+ YOE6+ years technical D365 experience leading projects and teams; proficiency with X++, .NET/C#, SSRS, RESTful APIs, SQL, JSON, ADO/Visual Studio/LCS and D365 F&O implementation technologies; strong analytical and communication skills.
X++, .NET/C#, SSRS, RESTful API Web Services, SQL, JSON, ADO, Visual Studio, LCS, ADO Pipelines, Build Runs (Software Deployable Packages), D365 F&O, Microsoft Dynamics 365, Microsoft Dynamics Finance & Operations, Microsoft Dynamics Business Central, Business Central, Sales Cloud, Service Cloud, Marketing Cloud, Microsoft Finance and Supply Chain Management, Dynamics 365 CRM
2mo
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Senior Account Executive - Personal Lines
Melville, New York, United States
$85k-$95k/yr HybridFull Time
5+ YOE2+ MgmtManage high-net-worth personal lines, lead renewals, mentor team, and develop new business; requires P&C license and 5-7 years experience.
Microsoft Excel, Applied Epic, Microsoft Word
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