40 dotnet engineer jobs at 16 companies in Clayton, DE
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Test Engineer 3
Newark, Delaware, United States
$122k-$203k/yr OnsiteFull Time
2+ YOEDesign and develop manufacturing test equipment and software; perform verification/validation; experience with electro-mechanical systems, PCB/soldering, analog/digital electronics, sensors; programming (C/C++, .NET, LabVIEW, Visual Basic, PLC); SolidWorks; knowledge of FDA and manufacturing quality methods.
Microsoft Office, SolidWorks, C, C++, .NET, LabVIEW, CVI, Visual Basic, PLC Ladder Logic
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Full Stack Engineer
Broomall or United States
$100k-$120k/yr RemoteFull Time
3+ YOEMinimum 3 years software development experience with C#, .NET, SQL Server, web development; Bachelor's preferred; strong communication and problem-solving skills; Azure and CI/CD exposure preferred.
C#, .NET Framework, .NET Core, ASP.NET Web Forms, Angular, TypeScript, JavaScript, HTML, CSS, SQL Server, Azure, Azure Devops, Terraform, Terragrunt
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Lead AI Engineer
Berkeley Heights or Wilmington
$186k-$286k/yr OnsiteFull Time
10+ YOE10+ years software engineering; 8+ years with Java/Spring Boot and microservices; 5+ years technical leadership; 4+ years CI/CD and cloud/container experience; 3+ years building LLM-powered applications; bachelor's in CS/engineering or equivalent.
Java, Spring Boot, .NET, Angular, Python, GitLab CI, Jenkins, OpenShift, Kubernetes, Docker, AWS, Azure, Google Cloud Platform, Anthropic Claude, OpenAI, M365 Copilot, OAuth2, JWT, TLS
2w
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Software Engineer
Philadelphia, Pennsylvania, United States
$65k-$102k/yr HybridFull Time
0+ YOEBachelor's in engineering discipline; 0–3 years developing in C, C++, and/or C#; active or ability to obtain DoD Secret clearance; US citizenship and valid/obtainable US passport; ability to travel 10–20%.
Microsoft Visual Studio, Git, Microsoft Visio, Microsoft Access, Microsoft .NET Framework, C, C++, C#, SQL
3mo
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Lead Site Reliability Engineer
Wilmington, Delaware, United States
OnsiteFull Time
5+ YOE5+ years software engineering experience; expertise in reliability, observability, CI/CD, containers; strong programming skills; able to lead incidents and mentor engineers.
Python, Java, .NET, Docker, Kubernetes, Terraform, Grafana, Dynatrace, Prometheus, Datadog, Splunk, Jenkins, GitLab
3mo
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Software Applications Engineer
Aberdeen Proving Ground, Maryland, United States
$115k-$130k/yr HybridFull Time
5+ YOEDoD Secret clearance; BS in computer science or related field; 5+ years in software applications engineering; strong .NET/C#, MudBlazor, HTML/CSS/JavaScript; API development; Azure/DevOps; security+; hybrid role near Aberdeen Proving Ground, MD.
C#, .NET, MudBlazor, HTML, CSS, JavaScript, OpenXml, ASP.NET Core, Entity Framework Core, SQL, Azure, DevOps, OpenID Connect, OAuth 2.0, Microsoft Entra ID
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Senior Software Engineer
Wilmington, Delaware, United States
HybridFull Time
Strong C#/.NET Core development skills, front-end framework and JavaScript/TypeScript proficiency, experience with Entity Framework Core, SQL Server, Azure Functions, AI-assisted tools, and test automation.
C#, .NET Core, Blazor Server, Blazor WebAssembly, GitHub Copilot, Cursor, Claude Code, Entity Framework Core, SQL Server, Azure Functions, Bootstrap, Playwright, MediatR, Fluxor, Polly, Docker, Kubernetes, Artillery, JMeter, K6, Locust, Azure AI Foundry, Azure OpenAI Service, Git, React, Angular, Vue, JavaScript, TypeScript
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Software Engineer III
Aberdeen, Maryland, United States
$120k-$140k/yr OnsiteFull Time
Techximius: Provides specialized IT and engineering services for defense missions.
4+ YOEProven experience with C#, .NET, VB.NET, ASP.NET, JavaScript, SQL; ECM and large-scale data/document migrations; API integrations; SQL Server/Oracle; Bachelor\u0002s degree; able to obtain DoD clearance; 4+ years experience.
C#, .NET, VB.NET, ASP.NET, JavaScript, PowerShell, SQL, SQL Server, Oracle, Hyland OnBase, Unity API, Brainware, ViewStar (Global360), Xamarin, Git, Enterprise Content Management (ECM)
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Software Engineer II
Wilmington, Delaware, United States
OnsiteContract
5+ YOE5+ years software development with Angular and .NET, C#, Azure, DevOps and CI/CD experience; strong SOLID and testing practices; ability to lead modernization and mentor junior developers.
Angular, .NET Framework, .NET Core, C#, Web APIs, Entity Framework Core, Microsoft SQL Server, Azure, DevOps, CI/CD, GitLab, ASP.NET Web Forms, PrimeNG, Kendo UI
2w
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Senior Full Stack Data Engineer
West Chester, Pennsylvania, United States
OnsiteFull Time
7+ YOEBachelor's preferred,5+ years full-stack/data engineering experience (7+ preferred),backend and frontend development,Power BI dashboards,API and microservices,Oracle/Mongo DB,Cloud Foundry,GitHub,ELK,Agile with Jira.
Power BI, Jira, Smartsheet, Java, Python, Node.js, React, Angular, Tailwind CSS, DotNet, REST, API Gateway, Mongo DB, Cloud Foundry, GitHub, GitHub Actions, ELK, Agentic AI, Open Spec SDD
1mo
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Full Stack Engineer
Broomall, Pennsylvania, United States
$100k-$120k/yr RemoteFull Time
3+ YOEHigh school diploma or equivalent and 3+ years of professional software development experience with C#, .NET, SQL Server, and web applications. U.S. work authorization required; visa sponsorship unavailable.
C#, .NET Framework, .NET Core, ASP.NET Web Forms, Angular, TypeScript, JavaScript, SQL Server, Azure, HTML, CSS, Azure DevOps, Terraform, Terragrunt
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Senior .Net Developer
Chicago or Crum Lynne
$90k-$150k/yr HybridFull Time
5+ YOE5+ years software development with strong .NET and SQL Server experience, cloud (GCP/Azure/AWS) familiarity, DevOps and container experience; bachelor's in CS/STEM preferred.
.NET Framework, Microsoft SQL Server, Google Cloud, GCP, Azure, AWS, Kubernetes, Docker, OneTru, DevOps, Continuous Deployment, Infrastructure as Code, Automated Testing, Automated Configuration Management
2mo
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Lead .Net Platform Engineer (Payments Ingestion) - Senior Vice President
New Castle or Tampa
$156k-$234k/yr HybridFull Time
Hands-on .Net engineering for high-throughput payment platforms, microservices, Kafka, Oracle/MongoDB, cloud-native (OpenShift/AWS), Kubernetes/Docker, CI/CD, Jenkins, and platform leadership; AI/ML integration and strong stakeholder communication.
.Net, React, Kafka, Oracle, Microsoft SQL, MongoDB, Spring MVC, Spring Boot, REST APIs, Jenkins, Gradle, Maven, Grafana, OpenShift, AWS, Kubernetes, Docker, GitHub Copilot, Gemini, LLMs, JVM, CI/CD, TDD, Python, Pinecone, Weaviate, LangChain, AutoGen, COBOL, Assembler, C++
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Lead .Net Platform Engineer (Payments Ingestion) - Senior Vice President
New Castle or Irving
$156k-$234k/yr HybridFull Time
10+ YOE10+ years .Net experience, microservices, Kafka, Oracle/MongoDB, cloud-native (OpenShift/AWS), Kubernetes/Docker, CI/CD (Jenkins, Gradle/Maven), JVM performance tuning, API design, secure engineering, Agile/SAFe. Bachelor's required; Master's preferred.
.Net, REST APIs, Spring MVC, Spring Boot, Kafka, Oracle, Microsoft SQL, MongoDB, OpenShift, AWS, Kubernetes, Docker, CI/CD, Jenkins, Gradle, Maven, Grafana, GitHub Copilot, LLMs, Gemini, JVM, Python, Pinecone, Weaviate, LangChain, AutoGen, COBOL, Assembler, C++, React
2mo
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Senior Syteline Developer I
Long Beach or Albuquerque or Middle River or Silver Spring or Littleton or Stennis Space Center
OnsiteFull Time
5+ YOE5+ years ERP/MES experience with Infor SyteLine or LN; manufacturing processes; SQL/T-SQL.
Infor Syteline, Infor LN, Factory Track, SQL, T-SQL, Infor Mongoose Framework, .NET, MS SQL Server
2mo
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Senior Syteline Developer I
Long Beach or Albuquerque or Middle River or Silver Spring or Littleton or Stennis Space Center
$115k-$130k/yr OnsiteFull Time
5+ YOE5+ years experience (or bachelor's +5 yrs; 9+ yrs w/o degree), Infor SyteLine/LN and Factory Track experience, T-SQL/SQL proficiency, manufacturing process knowledge, ERP customization and integration skills.
Syteline, LN, Factory track, Infor Mongoose Framework, .NET, MS SQL server, T-SQL
1w
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Power Apps Developer - Clearance Required
Crystal City or Aberdeen
$160k/yr HybridFull Time
3+ YOE3+ years SharePoint/Power Platform development experience, bachelor\u0002s degree, proficiency in .NET/C#/PowerShell/SQL Server and Microsoft Power Platform, active Secret clearance required.
.NET, C#, PowerShell, SQL Server, Microsoft SharePoint, Microsoft Power BI, Microsoft Power Apps, Power Pages, Power Automate
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Power Apps Developer - Clearance Required
Crystal City or Aberdeen
$160k/yr HybridFull Time
3+ YOEActive Secret clearance preferred, 3+ years SharePoint and Power Platform development, .NET/C#/PowerShell proficiency, SQL Server knowledge, Bachelor's degree in CS/IT, strong communication and problem-solving skills.
Microsoft SharePoint, Power Platform, Microsoft Power BI, Microsoft Power Apps, Microsoft Power Pages, Microsoft Power Automate, .NET, C#, PowerShell, SQL Server, Vantage
6h
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Lead Specialist - IT ETRM Systems Dev
Houston or Dallas or Newtown Square
OnsiteFull Time
8+ YOEBachelor’s degree in IT or related field, 8+ years of RightAngle development and support, SQL Server scripting, commodity trading and risk management, and T-SQL, SSIS, and C# experience.
RightAngle, ETRM, SQL Server, T-SQL, SSIS, C#, .NET, Web services
2w
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Principal Specialist - IT ETRM Systems Dev
Newtown Square or Dallas or Houston
OnsiteFull Time
10+ YOEBachelor's in IT, extensive RightAngle experience, strong T-SQL/SQL Server/SSIS/C# skills, 10+ years ETRM development/support, leadership, analytic and communication skills, commodity trading knowledge.
RightAngle, SQL Server, T-SQL, SSIS, C#, .NET
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