35 net developer jobs at 23 companies in Delaware

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Senior Full Stack .NET Developer
Detroit or United States or Michigan or Ohio or Indiana or Illinois or Wisconsin or Minnesota or Iowa or Missouri or Arkansas or Louisiana or Mississippi or Alabama or Georgia or Florida or South Carolina or North Carolina or Virginia or West Virginia or Kentucky or Tennessee or Maryland or Delaware or Pennsylvania or New Jersey or New York or Connecticut or Rhode Island or Massachusetts or Vermont or New Hampshire or Maine or Texas or Oklahoma or Kansas or Nebraska or South Dakota or North Dakota or Colorado or Wyoming or Montana or Idaho or Utah or Arizona or New Mexico or Nevada or California or Oregon or Washington or Alaska or Hawaii
$150k-$175k/yr RemoteFull Time
Team Velocity Marketing
Team Velocity Marketing: Private automotive marketing technology agency providing customer-experience software and digital advertising to auto dealerships.
5+ YOERequires 5+ years of software development experience, advanced C#/.NET skills, modern frontend experience, APIs, microservices, databases, Agile practices, testing, CI/CD, and independent project delivery.
C#, .NET, Angular, Vue.js, React, RESTful APIs, SQL Server, PostgreSQL, MySQL, Redis, Elasticsearch, Kafka, Snowflake, Cassandra, Scrum, Kanban, TDD, CI/CD, GitHub Copilot, ChatGPT, Claude, Cursor, Docker, AWS, Microsoft Azure, GCP, Kubernetes, Apollo
1mo
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Software Engineer
Florida or Wisconsin or Alaska or West Virginia or District of Columbia or Washington or Virginia or Vermont or Utah or Texas or Tennessee or South Dakota or South Carolina or Rhode Island or Puerto Rico or Pennsylvania or Oregon or Oklahoma or Ohio or North Dakota or North Carolina or New York or New Mexico or New Jersey or New Hampshire or Nevada or Nebraska or Montana or Mississippi or Minnesota or Michigan or Massachusetts or Maryland or Maine or Louisiana or Kentucky or Kansas or Iowa or Indiana or Illinois or Idaho or Georgia or Delaware or Connecticut or Colorado or Arkansas or Arizona or Alabama or Missouri or Wyoming
$70k-$80k/yr RemoteFull Time
Harris Computer
Harris Computer: Global provider of mission-critical vertical market software solutions.
Experience developing C#/.NET applications, MS SQL Server and T-SQL; BS in Computer Science or equivalent; US authorization and US-based location required; familiarity with AI-assisted development tools preferred.
C#, .NET, Microsoft SQL Server, T-SQL
1mo
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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: Private Medicare insurance sales and marketing organization helping consumers and health plans with enrollment and licensed-agent services.
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
2mo
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Software Engineer, AI
United States or Alabama or Alaska or Arkansas or Arizona or California or Colorado or Connecticut or Delaware or Florida or Georgia or Hawaii or Iowa or Idaho or Illinois or Indiana or Kansas or Kentucky or Louisiana or Maine or Michigan or Minnesota or Missouri or Mississippi or Montana or North Carolina or North Dakota or Nebraska or New Hampshire or New Jersey or New Mexico or Nevada or Ohio or Oklahoma or Pennsylvania or Rhode Island or South Carolina or South Dakota or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or West Virginia or Wyoming
$125k-$145k/yr RemoteFull Time
Patch My PC
Patch My PC: Private software providing endpoint management and third-party application patching for IT and security teams.
5+ YOEBachelor's (or equivalent) and 5+ years professional software development with C#/.NET; experience with AI agent frameworks, LLMs, Transformers/OpenAI/Hugging Face, REST APIs, cloud (Azure/AWS/GCP), MongoDB, and Git.
C#, .NET, LangChain, CrewAI, AutoGPT, MetaGPT, GPT, Claude, Mistral, Transformers, OpenAI API, Hugging Face, REST APIs, Azure, AWS, GCP, MongoDB, Git, Docker, CI/CD, Azure AI Foundry, Microsoft ConfigMgr, Microsoft Intune, Microsoft WSUS
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Software Developer
New Castle, Delaware, United States
$63k-$82k/yr OnsiteFull Time
Conduent
ConduentNASDAQ: CNDT: Global provider of business process services and IT solutions.
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
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Software Developer
New Castle, Delaware, United States
$63k-$82k/yr OnsiteFull Time
Conduent
ConduentNASDAQ: CNDT: Global provider of business process services and IT solutions.
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)
1mo
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Software Engineer II
Wilmington, Delaware, United States
OnsiteContract
CTG
CTG: Private IT services and consulting firm delivering managed services, technology solutions, and project-based staffing to clients.
5+ YOEAssociates (or equivalent) plus 5+ years systems analysis/application development experience, knowledge of Azure architecture, C# .NET Core, ETL and strong analytical, communication and project skills.
Azure Application Architecture, C# .NET Core, ETL Frameworks
4d
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Software Development Engineer II
Columbus or Alabama or Arizona or Arkansas or Delaware or Florida or Georgia or Iowa or Indiana or Kansas or Kentucky or Louisiana or Massachusetts or Maine or Maryland or Michigan or Minnesota or Missouri or Mississippi or Montana or North Carolina or Nebraska or New Hampshire or Ohio or Oklahoma or Pennsylvania or Rhode Island or South Carolina or South Dakota or Tennessee or Texas or Virginia or Wisconsin or West Virginia or Wyoming
$100k-$125k/yr RemoteFull Time
Aspirion
Aspirion: A private healthcare revenue cycle management helping hospitals recover revenue from denied, complex, and underpaid claims.
3+ YOEBachelor’s degree in computer science, software engineering, or related field; 3+ years of software development experience; programming, APIs, cloud, databases, Git, CI/CD, and agile development expertise.
C#, .NET, Java, Python, JavaScript, Azure, AWS, Google Cloud, Git, Visual Studio, .NET Core, Spring Boot, React, Angular, SQL Server, PostgreSQL, MongoDB
2mo
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Senior Software Engineer, Medical Device
Newark, Delaware, United States
$107k-$167k/yr HybridFull Time
Hologic
HologicNasdaq: HOLX: Developing medical technology focused on women's health.
5+ YOEExpert in .NET/C# and object-oriented design with strong CS fundamentals, multithreading, debugging, CI/CD and software architecture; 5+ years (Bachelors) or 4+ years (Masters) experience; mentoring and technical leadership skills; medical device experience a plus.
.NET, C#, WPF, Java, Android, C++, C, DICOM, HL7, CICD
2mo
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Senior Software Engineer
Connecticut or West Virginia or South Carolina or Pennsylvania or New Hampshire or Hawaii or California or Michigan or Kentucky or Arizona or New Mexico or Nevada or Florida or Alaska or Washington or Oregon or Texas or Alabama or Mississippi or Tennessee or Illinois or Wisconsin or Louisiana or Arkansas or Missouri or Iowa or Minnesota or Oklahoma or Kansas or Nebraska or South Dakota or North Dakota or Colorado or Wyoming or Idaho or Montana or Utah or Vermont or North Carolina or Massachusetts or Georgia or Rhode Island or New York or Maryland or Delaware or Virginia or Ohio or New Jersey or Maine
$110k-$140k/yr RemoteFull Time
Worksoft
Worksoft: Private enterprise test-automation software serving global businesses with codeless business-process testing.
10+ YOE10+ years web development experience (C#, .NET, ASP.NET Core) and production AI/ML experience (LLMs, PyTorch/TensorFlow, LangChain, etc.); Bachelor’s in CS/Engineering or 15+ years experience; strong problem solving and customer-facing troubleshooting skills.
OpenAI, Azure OpenAI, Anthropic Claude, Gemini, PyTorch, TensorFlow, scikit-learn, ML.Net, LangChain, Semantic Kernel, RAG, vector databases, LLMs, ASP.Net Core, Web APIs, REST, JWT, OAuth, Azure AD/Entra ID, Blazor, Angular, MS Sql Server, EF Core, WinForms, WPF, .Net MAUI, Service Bus, Kafka, MSBuild, Git
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Enterprise Applications Developer (Remote/Hybrid/In Office/Flexible)
Claremont or Alabama or Delaware or Florida or Georgia or Iowa or Kansas or Mississippi or North Carolina or New Hampshire or South Carolina or Texas or Vermont
RemoteFull Time
National Field Representatives
National Field Representatives: Family-owned national mortgage field services serving mortgage servicers with property inspections, preservation, and REO maintenance.
3+ YOERequires 3+ years developing and supporting enterprise applications, expertise with .NET, SQL Server, Azure, AI applications, source control, CI/CD, DevOps, software architecture, and security practices.
Microsoft .NET, C#, ASP.NET Core, REST APIs, SQL Server, Microsoft Azure, GitHub Enterprise, GitHub Actions, Azure DevOps, Microsoft Power Platform, Power Apps, Power Automate, Dataverse, Microsoft Fabric, Power BI, Azure AI Services, Azure OpenAI, Copilot Studio, Semantic Kernel, Retrieval-Augmented Generation (RAG), Microsoft .NET, GitHub
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Software Engineer
Dover, Delaware, United States
$82k-$98k/yr HybridFull Time
Delaware Department of Technology and Information
Delaware Department of Technology and Information: Delaware’s public central IT department delivers enterprise technology services and governance for state agencies.
3+ YOERequires 3 years of IT experience, including 2 years in web-based solutions and .NET technologies, plus 1 year with SCRUM and Agile SDLC. Associate degree and professional certifications preferred.
Microsoft .NET, SQL Server, Oracle, C#.NET, Microsoft .NET Core, SCRUM, Agile SDLC
3mo
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STARLIMS Developer- REMOTE USA
Delaware or United States or North America
$100k-$110k/yr RemoteFull Time
CSols
CSols: Private laboratory informatics consultancy helping North American laboratories implement, integrate, validate, and support LIMS, ELN, and data systems.
7+ YOEExpertise in STARLIMS v11+ customization and integrations, STARLIMS scripting, HTML5, JavaScript, Microsoft .NET, SQL/DBs (SQL Server, Oracle), web services (REST/SOAP), JIRA, regulatory compliance experience; bachelor\u0002s +7 years experience.
STARLIMS v11+, STARLIMS Scripting Language, STARLIMS Designer, STARLIMS Application Server, HTML5, JavaScript, Microsoft .NET, SQL, Microsoft SQL Server, Oracle, REST, SOAP, IIS, JIRA, Balsamiq, ELN, SDMS
2mo
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Software Engineer III- SRE
Wilmington, Delaware, United States
OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services and investment banking firm.
5+ YOEFormal training/certification in software engineering plus 5+ years experience. Proficiency in reliability, scalability, performance, security, automation/CI-CD, networking, observability tools, cloud-native practices, and safe use of enterprise AI-assisted development.
Python, Java Spring Boot, .Net, Grafana, Dynatrace, Prometheus, Datadog, Splunk
1d
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Embedded Software Engineer
Marlborough or Philadelphia or Fairview or Delmar or Frederick
$135k-$165k/yr HybridFull Time
Spectrum Control
Spectrum Control: Private RF, microwave, microelectronics, and electromagnetic-interference protection manufacturer serving aerospace, defense, government, medical, and commercial customers.
5+ YOEBachelor's degree in computer science, electrical engineering, or computer engineering; 5+ years of embedded software development; expert Linux and Yocto expertise; strong C/C++, Python, Bash, networking, and ARM skills.
Linux, Yocto Build Flow, GIT, Docker, C, C++, C#, .NET, Python, Bash, ARM, SPI, I2C, UART, JTAG, GDB, Altera, AMD FPGA SoCs, SCPI, VISA, GPIB, LXI/Ethernet, USBTMC, U-Boot
1mo
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Senior Software Engineer
Pennsylvania or Maryland or Washington or North Carolina or Louisiana or Kentucky or Kansas or Indiana or Illinois or Georgia or Iowa or Florida or Colorado or California or Delaware or Connecticut or Arkansas or Arizona or Alabama or Alaska or Nevada or Vermont or Tennessee or Idaho or Oklahoma or Hawaii or Mississippi or Utah or New Hampshire or New Mexico or Wyoming or North Dakota or South Dakota or Rhode Island or West Virginia or Montana or Texas or District of Columbia or Ohio or New Jersey or Oregon or South Carolina or Missouri or Virginia or Massachusetts or Nebraska or Minnesota or Michigan or Wisconsin or New York or Maine
$103k-$165k/yr RemoteFull Time
Highmark Health
Highmark Health: To create a remarkable health experience, freeing people to be their best.
5+ YOE5+ years building scalable, highly available systems; proficiency with modern languages, web services, and cloud platforms; bachelor's in CS or related; strong agile and mentoring experience.
C#, .NET, Azure, React, Angular, NodeJS, NoSQL, HTML5, CSS, Google Cloud Platform, Amazon Web Services, Java, Python, JavaScript, ACE, IIB/ITX, Informatica, Django, Flask, RTC, Jira
1mo
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Lead AI Engineer
Berkeley Heights or Wilmington
$186k-$286k/yr OnsiteFull Time
Fiserv
FiservNYSE: FI: Global leader in financial services technology solutions.
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
1mo
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Senior Software Engineer
Wilmington, Delaware, United States
HybridFull Time
CSC
CSC: Global provider of business, legal, and compliance solutions.
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
2mo
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Senior Cloud DevOps Engineer
Alabama or Arkansas or Delaware or Florida or Georgia or Iowa or Illinois or Indiana or Kansas or Kentucky or Louisiana or Massachusetts or Maine or Maryland or Michigan or Minnesota or Missouri or Mississippi or Montana or North Carolina or Nebraska or New Hampshire or Ohio or Oklahoma or Pennsylvania or Rhode Island or South Carolina or Tennessee or Texas or Virginia or Wisconsin or West Virginia
RemoteFull Time
Revecore
Revecore: Private U.S. revenue cycle management firm helping hospitals recover underpayments, denials, and complex claims revenue.
6+ YOE6+ years in DevOps/Cloud Engineering with deep Azure and AWS experience, IaC, CI/CD, containerization, scripting (PowerShell/Python/Bash), monitoring, and experience with .NET/SQL Server environments.
Azure, AWS, Terraform, Bicep, AWS CloudFormation, Azure DevOps, AWS CodePipeline, AWS CodeBuild, .NET, SQL Server, T-SQL, Angular, PowerShell, Python, Bash, Docker, Kubernetes, AKS, EKS, LogicMonitor, Azure Monitor, Application Insights, KQL, AWS CloudWatch, ELK, Prometheus, Grafana, Azure Functions, Blob Storage, Key Vault, Azure Key Vault, App Configuration, IIS, RDS, DynamoDB, AWS Lambda, HashiCorp Vault, AWS Secrets Manager
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Senior Context Engineer, Digital Transformation & Innovation
Grand Rapids or Los Angeles or Washington or Troy or New York City or Houston or Chicago or Owings Mills or Columbia or Richmond or Memphis or Raleigh or Boston or San Jose or San Francisco or Austin or Kalamazoo or Spokane or Denver or Fort Worth or Atlanta or Dallas or Wilmington or San Antonio or Milwaukee or Madison or McLean or Melville or Woodbridge or Stamford or Miami or Charlotte or Greenville or West Palm Beach or Costa Mesa or St. Louis or Fort Lauderdale or Seattle or Rosemont or Tulsa or Cincinnati or Cleveland or Columbus or Akron or Cherry Hill or Tampa or Minneapolis or Salt Lake City or Norfolk or Jacksonville or Boulder or Nashville or Oak Brook or Las Vegas or Indianapolis or San Diego or Baton Rouge or Biloxi or Ridgeland or Brentwood or Jackson or Omaha
$95k-$125k/yr OnsiteFull Time
BDO USA
BDO USA: Professional services firm providing assurance, tax, and advisory services.
3+ YOEHigh school diploma/GED required; bachelor's preferred. Requires 3+ years in software, data, or AI engineering and 1+ year building LLM context, retrieval, or knowledge-management systems.
CLAUDE.md, Azure AI Search, Azure OpenAI, Git, .NET, C#, Python, Markdown, vector stores