28 net developer engineer jobs at 19 companies in Delaware

1mo
Save
Mark Applied
Hide
Lead .Net Platform Engineer (Payments Ingestion) - Senior Vice President
New Castle or Tampa
$156k-$234k/yr HybridFull Time
Citi
CitiNYSE: C: Providing global banking, investment, and wealth management services.
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++
1mo
Save
Mark Applied
Hide
Lead Software Engineer - C# / .Net
Wilmington, Delaware, United States
$128k-$214k/yr HybridFull Time
M&T Bank
M&T BankNYSE: MTB: Provides retail, commercial, and wealth management banking services.
5+ YOE5+ years systems analysis/application development (or 7+ with associate). Expert C#/.NET experience, RESTful API and service architecture, DevOps/CI/CD familiarity, exposure to Angular, strong analytical and communication skills.
C#, .NET, RESTful APIs, Angular, CI/CD, DevOps, SDLC, Loan IQ, Finastra
3w
Save
Mark Applied
Hide
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: Provides mission-critical vertical market software and service 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
Save
Mark Applied
Hide
Senior Software Engineer
United States or Connecticut or South Carolina or Pennsylvania or New Hampshire or Hawaii or California 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
$148k-$185k/yr RemoteFull Time
Worksoft: Automation platform for enterprise business process testing and discovery.
10+ YOEBachelor's in CS/Engineering or 15+ years related experience; 10+ years Windows OO development; strong C#/.NET skills; WinForms/WPF experience; problem-solving, troubleshooting, and customer-facing communication skills; familiarity with CI/CD and test automation preferred.
C#, .NET, .NET Framework, VB.NET, C++, Win32, WinForms, WPF, SQL, Web Services, WCF, COM, SAML, OAuth, Machine Learning, Deep Learning, OCR, Image Processing, SAP GUI, WebExtensions, Java, Oracle Forms, Mainframe, Acrobat, Email, UIA, MSAA, Applitools, SoapUI, Postman, Perfecto, Microsoft Office, Silverlight, macOS, Cocoa, Swift, Xcode, Mono, Xamarin, MAUI, Jenkins, Groovy, Bash, Z Shell, Batch, PowerShell, NANT, MSBuild, Git
1mo
Save
Mark Applied
Hide
Senior Software Engineer
Pennsylvania or New Jersey or Delaware
$130k-$160k/yr RemoteFull Time
QVC Group
QVC GroupNASDAQ: QVCGA: Provides video-driven shopping experiences across television and digital platforms.
10+ YOE10+ years software engineering experience; expertise in TypeScript, React, Next.js, .NET, SQLServer, JavaScript, Node.js, Python; cloud (AWS/Azure/GCP); CI/CD, DevOps, and platform engineering experience.
TypeScript, React, Next.js, .NET, SQLServer, JavaScript, Node.js, Python, AWS, Azure, GCP, CI/CD pipelines, DevOps, observability tooling
1w
Save
Mark Applied
Hide
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: Digital marketplace for health insurance and Medicare plans.
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
1mo
Save
Mark Applied
Hide
Test Engineer 3
Newark, Delaware, United States
$122k-$203k/yr OnsiteFull Time
Hologic
HologicNASDAQ: HOLX: Develops medical technology for women's healthcare and diagnostics.
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
1mo
Save
Mark Applied
Hide
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: Automates third-party application patching for Microsoft IT management tools
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
5d
Save
Mark Applied
Hide
Senior Software Development Engineer
Texas or Arkansas or Idaho or Georgia or Montana or Iowa or Wisconsin or Oregon or Washington or New York or District of Columbia or Connecticut or Nebraska or Rhode Island or Tennessee or Kentucky or Ohio or West Virginia or Maryland or Massachusetts or South Carolina or Missouri or Utah or Arizona or South Dakota or Pennsylvania or New Hampshire or Vermont or Minnesota or New Mexico or Michigan or California or Maine or North Dakota or Kansas or Indiana or New Jersey or Nevada or Louisiana or Mississippi or Oklahoma or Alabama or Virginia or Illinois or North Carolina or Colorado or Florida or Wyoming or Delaware
$83k-$222k/yr RemoteFull Time
CVS Health
CVS HealthNYSE: CVS: Provides retail pharmacy, health insurance, and pharmacy benefit management services.
5+ YOE5+ years software engineering experience; strong fundamentals, .NET or Java, SQL (PostGres, Snowflake, MS SQL), cloud (Azure/AWS/GCP), queuing tech, observability and DevOps experience preferred.
.NET, Java, PostGres, Snowflake, MS SQL, Azure, AWS, GCP, Kafka, SNS, RabbitMQ, New Relic, Grafana, GitHub actions, Angular, Git, RESTful APIs, AKKA, Kubernetes, Terraform
1mo
Save
Mark Applied
Hide
Sr. Engineer, Software - Archimedes
St. Louis or Brentwood or Alaska or Arizona or Arkansas or California or Connecticut or Delaware or Hawaii or Idaho or Louisiana or Maine or Massachusetts or Michigan or Mississippi or Montana or Nebraska or Nevada or New Mexico or New York or North Carolina or North Dakota or Oregon or Rhode Island or South Carolina or South Dakota or Texas or Utah or Vermont or Washington or West Virginia or Wyoming or United States
HybridFull Time
Navitus Health Solutions
Navitus Health Solutions: Transparent pharmacy benefit management and specialty pharmacy provider.
8+ YOEBachelor's in CS or related; 8+ years software engineering experience (5+ years with C#, .NET, React); experience with cloud-native, APIs, microservices, CI/CD, Git, Azure; technical leadership and mentoring experience.
C#, .NET, ASP.NET Core, React, TypeScript, JavaScript, REST APIs, GraphQL, Webhooks, API Management, Microsoft Azure App Services, Microsoft Azure Functions, Microsoft Azure Container Apps, Microsoft Azure Kubernetes Service (AKS), Microsoft Azure Storage, Microsoft Azure Databricks, Microsoft Azure Data Lake Storage Gen2, Microsoft Azure Synapse Analytics, Microsoft SQL Server, PostgreSQL, Microsoft Azure DevOps, GitHub Actions, CI/CD, Infrastructure as Code, Retrieval-Augmented Generation (RAG), Microsoft Azure OpenAI, Microsoft Azure AI Services, Intelligent Automation, Agent-Based Solutions, OWASP, OAuth2, OpenID Connect, DevSecOps, Git, Azure Repos, GitHub, TFS, Jira, Unix/Linux shell scripting
2d
Save
Mark Applied
Hide
Principal Software Engineer
Alabama or Alaska or Arkansas or Arizona or Connecticut or Delaware or Florida or Georgia or Iowa or Idaho or Indiana or Kansas or Kentucky or Louisiana or Michigan or Montana or Mississippi or Missouri or North Carolina or North Dakota or Nebraska or New Hampshire or New Mexico or Nevada or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Carolina or South Dakota or Tennessee or Texas or Utah or Wisconsin or West Virginia or Wyoming
RemoteFull Time
FloresHR
FloresHR: Administers employer-sponsored reimbursement plans and compliance solutions.
7+ YOE7+ years software development experience, 5+ years senior technical leadership; strong engineering judgment, ability to contribute code, translate business needs, and influence cross-functional teams.
Azure, C#, .NET, React, TypeScript, Microsoft Outlook, Microsoft Word, Microsoft Excel
1mo
Save
Mark Applied
Hide
Software Engineer III- SRE
Wilmington, Delaware, United States
OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
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
4d
Save
Mark Applied
Hide
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
Greenberg Traurig
Greenberg Traurig: Provides global legal representation and corporate advisory services.
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
3w
Save
Mark Applied
Hide
Lead AI Engineer
Berkeley Heights or Wilmington
$186k-$286k/yr OnsiteFull Time
Fiserv
FiservNew York Stock Exchange: FI: Provides financial technology and payment processing services to institutions.
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
2mo
Save
Mark Applied
Hide
Sr. Software Engineer
Philadelphia or New Jersey or Delaware or New York or Maryland or Florida or South Carolina or Texas or Virginia or Georgia
HybridFull Time
FreedomPay: A fast-growing payments and commerce technology delivering secure solutions globally.
7+ YOE7+ years in application development and testing; strong web, SPA, and backend skills; security-focused; Agile experience; strong English communication.
.NET, SQL Server, MVC, jQuery, React, Angular, Redux, TypeScript, JWT, Git, HTML, CSS, Websockets
1mo
Save
Mark Applied
Hide
STARLIMS Developer- REMOTE USA
Delaware or United States or North America
$100k-$110k/yr RemoteFull Time
CSols
CSols: Provides laboratory informatics solutions and consulting services to plan, implement, integrate, and validate laboratory 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
4w
Save
Mark Applied
Hide
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: Identifies and recovers underpaid medical claims for hospital systems.
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
2d
Save
Mark Applied
Hide
Senior Software Engineer
Wilmington, Delaware, United States
HybridFull Time
CSC
CSC: Provides global business administration 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
1w
Save
Mark Applied
Hide
Staff Software Engineer (PACS) - Full Time - Remote
Tennessee or Idaho or Wyoming or West Virginia or Wisconsin or Washington or Virginia or Utah or Texas or South Dakota or South Carolina or Pennsylvania or Oregon or Oklahoma or Ohio or New York or Nevada or New Mexico or New Jersey or New Hampshire or Nebraska or North Carolina or Mississippi or Missouri or Minnesota or Michigan or Maine or Maryland or Massachusetts or Louisiana or Kentucky or Kansas or Indiana or Illinois or Iowa or Georgia or Florida or Delaware or District of Columbia or Colorado or California or Arizona or Arkansas or Alabama
$121k-$161k/yr RemoteFull Time
Experity
Experity: Software and billing services for urgent care providers.
10+ YOE10+ years software engineering experience, strong Java/JVM skills, medical imaging and interoperability knowledge (DICOM/HL7) preferred, Bachelor's or equivalent, technical leadership and mentoring experience.
Java, JVM, Spring, Hibernate, JPA, Maven, Gradle, SQL, REST, DICOM, HL7, DCM4CHE, .NET, Docker, ECS, Kubernetes, Terraform, AWS
1mo
Save
Mark Applied
Hide
Application Support Engineer
Arizona or California or Colorado or Delaware or Florida or Georgia or Illinois or Indiana or Massachusetts or Maryland or Minnesota or North Carolina or New Jersey or New York or Pennsylvania or Tennessee or Texas or Utah or Virginia
RemoteContract, Full Time
FDM Group
FDM GroupLondon Stock Exchange: FDM: Provides IT consulting, technical training, and staff augmentation services.
3+ YOEBachelor's in CS/MIS required, 3+ years application support experience (cloud/AWS preferred), hands-on SQL and Java/.NET experience, ServiceNow/Remedy familiarity, on-call rotation experience, ITIL proficiency, Splunk and JIRA/Confluence exposure. Must be W2 eligible (no sponsorship).
AWS, SQL, Java, Tomcat, JBoss, .NET, ServiceNow, Remedy, Splunk, JIRA, Confluence, Command Center