66 net sql developer jobs at 44 companies in Middletown, DE
3w
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Senior .NET Developer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
5+ YOEUS citizen with 5+ years .NET experience, expertise in C#, ASP.NET, MVC, Angular, SQL/Oracle, unit testing, and Azure DevOps; ability to obtain NACLC and DoD 8570/8140 certifications preferred.
ASP.NET Web Forms, ASP.NET MVC, C#, Angular, Oracle Database, Informatica PowerCenter, HTML, JavaScript, TypeScript, jQuery, Ajax, Entity Framework, Angular Material, Infragistics, Kendo UI, DevExpress, xUnit, nUnit, MS Tests, Jasmine, JEST, .NET Framework 4.8, .NET Core, Microsoft Visual Studio, Microsoft VS Code, Azure DevOps Server, SQL, Oracle SQL, PL/SQL, TOAD, Microsoft Team Foundation Server, Microsoft Office Suite
3w
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Sr .NET Developer
King of Prussia, Pennsylvania, United States
$68-$70/hr HybridContract
8+ YOE3+ Mgmt8+ years .NET development experience, 3+ years leading teams, strong C#/.NET, RESTful API, SQL Server, Entity Framework, Azure, Git; bachelor's in CS/IT or equivalent.
C#, .NET Framework, .NET Core, .NET 8, ASP.NET MVC, ASP.NET Core, RESTful APIs, SQL Server, Entity Framework, Azure, Git, Azure DevOps, Docker, Kubernetes, Angular, React, Vue.js
2mo
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Backend .NET Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years backend development with C#/.NET, REST APIs, SQL/EF Core, CI/CD, automated testing, Git, cloud (Azure preferred), spec-first workflows (OpenSpec) and experience mentoring teammates.
C#, Microsoft .NET, ASP.NET Core, ASP.NET Core Web API, SQL, Entity Framework Core, Git, Azure, OpenSpec, GitHub Spec Kit, CI/CD
1w
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Senior .Net Engineer
Philadelphia, Pennsylvania, United States
HybridFull Time
7+ YOERequires 7+ years of full-stack web development, C#, TypeScript, .NET, front-end frameworks, APIs, databases, testing, CI/CD, Docker, Kubernetes, and U.S. citizenship.
C#, TypeScript, .NET Framework, .NET 5+, Angular, React, Vue, nHibernate, Entity Framework, SQL Server, GitHub Actions, Azure DevOps, Docker, Kubernetes, AWS, Azure, HL7, FHIR, EHRs
1mo
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Senior .NET Developer
Crum Lynne or Chicago or Reston or Boca Raton
$90k-$150k/yr RemoteFull Time
5+ YOE5+ years building enterprise .NET applications, strong architecture and database skills, Agile experience, cloud and CI/CD familiarity, Bachelor's degree or equivalent experience.
C#, ASP.NET MVC, ASP.NET Web API, .NET Framework, .NET Core, .NET 5, .NET 6, Microsoft Visual Studio, SQL Server, PostgreSQL, AWS, Autofac, Ninject, Unity, CI/CD
2mo
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AWS Senior .NET Modernization Engineer
Baltimore, Maryland, United States
OnsiteFull Time
5+ YOE5+ years with C# and .NET; experience with .NET Framework and .NET Core/.NET 8; modernizing legacy enterprise applications; REST APIs, SQL Server, Git, Agile; strong communication and problem-solving.
.NET Framework, .NET Core, .NET 8, C#, ASP.NET, Docker, Kubernetes, Amazon EKS, SQL Server, Git, Terraform, CloudFormation, AWS CDK, AWS
4w
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.Net Application Developer
Philadelphia, Pennsylvania, United States
$95k-$102k/yr OnsiteFull Time
3+ YOE3+ years .NET development experience; proficiency with C#, ASP.NET Core/MVC/Web API, Microsoft SQL Server, secure coding and HIPAA compliance; strong communication and problem-solving skills.
C#, ASP.NET Core, Razor Pages, MVC, Web API, HTML, CSS, JavaScript, Microsoft SQL Server, Git, Azure DevOps, Azure Boards, ASP.NET Core Identity, Azure AD (Entra ID), RESTful APIs
3d
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Senior Software Engineer-.NET
Baltimore or Los Angeles or United States or Canada
$110k-$120k/yr HybridFull Time
5+ YOEBachelor's degree in computer science, software development, or related field; 5+ years of .NET experience; expertise in C#, VB.NET, WinForms, SQL Server, Entity Framework, Git, Jira, Bitbucket, and third-party UI tools.
Agile, Scrum, .NET, WinForms, C#, VB.NET, SQL Server, Entity Framework, Git, Jira, Bitbucket, DevExtreme, Infragistics, Telerik
2mo
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Senior .NET Azure AI Developer - Baltimore, MD
Baltimore, Maryland, United States
$100k-$203k/yr OnsiteFull Time
10+ YOE10+ years experience; strong C#/.NET; extensive Azure services; AI/ML with Azure tools; RESTful APIs; DevOps with Azure DevOps; Docker; IaC with Bicep.
C#, .NET, ASP.NET Core, Microsoft Azure, Azure Functions, Azure OpenAI, Azure ML, Cognitive Services, RESTful APIs, SQL, Cosmos DB, Docker, Kubernetes, Terraform, Bicep, Azure DevOps, Git, Python, Node.js, Angular, React, SQL Server, PostgreSQL, Cosmos DB
1mo
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.NET Application Support Engineer
Ashburn or Harrisburg or Pennsauken
OnsiteFull Time
3+ YOE3+ years supporting or developing .NET applications, strong C# debugging, PowerShell scripting, IIS management, T-SQL/MS SQL proficiency, and experience with monitoring and automation; bachelor’s degree or equivalent.
C#, .NET Core, .NET Framework, ASP.NET MVC, Web API, PowerShell, IIS, T-SQL, Microsoft SQL Server, Event Viewer, Serilog, Log4Net, Azure, Google, AWS, Docker, Azure DevOps, Jenkins, GitHub Actions, Jira
2mo
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Software Engineer – Front-End Focus (.NET) - (Remote)
Baltimore or United States
$75k-$115k/yr RemoteFull Time
3+ YOEUS authorization and 3 of last 5 years residency, ability to obtain Public Trust clearance, Bachelor’s in CS/Engineering, 3+ years full-stack experience with front-end focus using .NET, React/Next.js, Azure, CI/CD, and strong communication skills.
.NET, ASP.NET Core, Core MVC ASP.NET, Entity Framework, LINQ, React, Next.js, CSS, Agentic AI, Azure, Azure Web Apps, Azure Functions, Azure SQL Database, Team Foundation Server (TFS), Octopus Deploy, Git, SQL, TypeScript, PA11Y, Razor, Blazor, Azure DevOps, Azure Cognitive Services, Logic Apps, Docker, Kubernetes, Azure Kubernetes Service (AKS), OAuth, JWT, Azure Active Directory, Azure AD B2C
2w
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Lead Software Engineer - Murex
Philadelphia or Denver or Cedar Rapids
$111k-$135k/yr HybridFull Time
5+ YOEBachelor's degree or equivalent experience; 5+ years of software engineering; Murex development; Java, .NET/C#, SQL, integrations, ETL, reporting, troubleshooting, and derivatives lifecycle knowledge.
Murex, MxML, SQL Server, Oracle, SSIS, AWS Glue, SSRS, Microsoft Excel, Visual Studio, Git, Bitbucket, Maven, Jenkins, Nexus, SQL Management Studio, NUnit, Docker, OpenShift, Kubernetes, Java, .NET, C#, Python, Swagger, OpenAPI, Kafka, REST APIs, Spring Framework, J2EE, Control-M, Kiro, Microsoft Windows Server, Linux, Unix, Excel VBA
8h
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Senior Software Engineer III
Madison or Philadelphia or Boulder or Los Angeles
$120k-$125k/yr RemoteFull Time
8+ YOEComputer science degree or equivalent experience and 8–10+ years in software development. Requires .NET, C#, OOP, Git, ASP.NET MVC, ORM, SQL Server, REST APIs, HTML, CSS, JavaScript, and agile experience.
.NET, C#, Git, ASP.NET MVC, SQL Server, MSSQL, RESTful APIs, Web API, ASP.NET Core, HTML 5, CSS 3.0, Bootstrap, Javascript, .NET MAUI, Linux, Docker, Microsoft Azure, HTTPS, OAuth2, CI/CD
1mo
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Experienced Software Developer
Philadelphia, Pennsylvania, United States
$124k-$237k/yr HybridFull Time
5+ YOE5+ years building enterprise applications using C#/.NET, cloud-native (Azure), microservices, SQL/NoSQL, Kubernetes/Docker, LLM/RAG experience, strong design and communication skills.
C#, .NET, C++, JavaScript, Microsoft Azure, SQL, NoSQL, Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), Model Context Protocol (MCP), Agent2Agent (A2A), Semantic Kernel, Microsoft AI Foundry, Microsoft Agent Framework (MAF), GraphRAG, Kubernetes, Docker, CI/CD
2mo
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IS Developer
Exton or Lexington or Peachtree City or Bridgman or Holland or Detroit or Houston
HybridFull Time
Experience with industrial/ manufacturing software (MES/IIoT), industrial controls and PLC platforms; development using Python, Java, JavaScript, or Microsoft .NET; database familiarity (Microsoft SQL Server, PostgreSQL, MySQL, Oracle, InfluxDB); practical use of GitHub Copilot/Claude and LLM concepts.
GitHub Copilot, Claude, Python, Java, JavaScript, Microsoft .NET, MES, IIoT, PLC, Rockwell, Siemens, Aveva/Wonderware, GE, MQTT, Microsoft Azure DevOps, AWS, Node-Red, Docker, Microsoft SQL Server, PostgreSQL, MySQL, Oracle, InfluxDB, Inductive Ignition, Sepasoft, Cirrus Link Solutions
6d
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Software Developer
New Castle, Delaware, United States
$63k-$82k/yr OnsiteFull Time
3+ YOEThree years of software development experience with ASP.NET, C#, Visual Studio, .NET, SQL Server, JavaScript, RESTful APIs, RabbitMQ, OAuth, Azure DevOps, and Git.
ASP.NET, Dapper, AutoMapper, C#, Microsoft Visual Studio 2019, JavaScript, jQuery, JSON, AJAX, .NET Framework 4.8, .NET Core, SQL Server 2019, HTML5, XML, XSLT, CSS, RESTful APIs, RabbitMQ, OAuth, JWT, Azure DevOps, Git
3mo
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Sr. Software Engineer
Camden, New Jersey, United States
$116k-$127k/yr HybridFull Time
6+ YOE6+ years full stack development with .NET/C#, REST APIs; Dynamics 365/Dataverse; Azure; Power Platform; SDLC/DevOps; Bachelor's degree.
.NET, C#, SQL Server, REST APIs, Azure, Microsoft Dynamics 365, Dataverse, Power Apps, Power Automate, Azure DevOps, Git, CI/CD
2w
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Application Developer, Reporting and Automation
Cincinnati or Omaha or Milwaukee or Philadelphia or Clifton Park or New York City or Minneapolis or Columbus
RemoteFull Time
2+ YOERequires 2+ years in Microsoft SQL Server application development, SSRS reporting, PowerShell or C# automation, and Envision Power Agent support or development.
Microsoft SQL Server, SQL Server Reporting Services (SSRS), JAMS Enterprise Scheduler, Envision Power Agent, .NET, C#, PowerShell, Azure DevOps, Windows Server, Microsoft Azure, Microsoft Office Suite, Adobe Acrobat
4w
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Front-End Developer
Miami or Delaware or Atlanta or Philadelphia or Austin or Houston or Dallas or Salt Lake City or Phoenix or Charlotte
HybridFull Time
5+ YOE5+ years software development experience with C#, .NET 10, ASP.NET, SQL Server, DDD, CI/CD (Azure DevOps), PowerShell, containerization (Docker), Linux/Windows; mentoring and enterprise application experience required.
C#, .NET 10, ASP.NET, SQL Server, Entity Framework, Dapper, Azure DevOps, PowerShell, Linux, Windows Server, Docker, React, Python, WebSockets, SignalR, RabbitMQ, Kafka, Azure Service Bus, Git, Blazor Server
6d
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Software Developer
New Castle, Delaware, United States
$63k-$82k/yr OnsiteFull Time
3+ YOERequires 3+ years of software development experience and proficiency with ASP.NET, C#, .NET, SQL Server, RESTful APIs, Azure DevOps, and Git. Bachelor's degree in Computer Science or related field desired.
ASP.NET, C#, .NET Core, SQL Server 2019, Microsoft Visual Studio 2019, JavaScript, Dapper, AutoMapper, .NET Framework 4.8, RESTful APIs, HTML5, XML, XSLT, CSS, jQuery, JSON, AJAX, RabbitMQ, OAuth, JWT, Microsoft Azure DevOps, Git, JAD, Service-Oriented Architecture (SOA)