33 dotnet developer jobs at 21 companies in Delaware

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OneStream Developer
Grand Rapids or Los Angeles or Washington or Troy or New York or Houston or Chicago or Baltimore 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 Orlando or Dallas or Wilmington or Phoenix or San Antonio or Milwaukee or Madison or McLean or Huntsville or Woodbridge or Stamford or Miami or Philadelphia or Charlotte or Greenville 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 Norfolk or Jacksonville or Boulder or Nashville or Oak Brook or Las Vegas or Indianapolis or San Diego or Baton Rouge or Ridgeland or Jackson or Tallahassee or Omaha
$120k-$145k/yr OnsiteFull Time
BDO USA
BDO USA: Provides accounting, tax, and business advisory services to organizations.
3+ YOE3+ years development experience in financial/CPM systems; required SQL and VB.NET; PowerShell and Microsoft Azure preferred; High School diploma required; Bachelor's in technology preferred.
OneStream, Microsoft SQL Server, SQL, VB.NET, Microsoft .Net, PowerShell, Microsoft Azure, ETL, corporate performance management (CPM)
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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: 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
3w
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Full Stack Developer
Sydney or Canberra or Melbourne or Brisbane or Delaware or Chennai or Colombo
$80k-$100k/yr HybridFull Time
Tritusa
Tritusa: Provides specialized SAP testing and quality engineering consulting services.
3+ YOE3+ years full‑stack development experience with front-end (React/Angular/Vue, HTML/CSS/JavaScript, TypeScript) and back-end (Node.js, Python, Java, C#), databases (MySQL/PostgreSQL, MongoDB/DynamoDB), REST/GraphQL, CI/CD, cloud (AWS, Microsoft Azure, Google Cloud).
React, Node.js, Python, TypeScript, Next.js, HTML, CSS, JavaScript, Angular, Vue.js, Django, Flask, Java, Spring Boot, C#, Microsoft .NET Core, MySQL, PostgreSQL, MongoDB, DynamoDB, RESTful APIs, GraphQL, Postman, Swagger, Git, Jenkins, GitHub Actions, GitLab CI, AWS, Microsoft Azure, Google Cloud, Docker, Kubernetes, Terraform, Prometheus, Grafana, Next.js, Nuxt.js, Svelte
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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: 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
2mo
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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
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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
2w
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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
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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
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Senior Application Developer
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 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 or District of Columbia
$86k-$139k/yr RemoteFull Time
Highmark Health
Highmark Health: Provides health insurance and integrated medical care services.
5+ YOE5+ years in scalable system design and modern programming languages (.NET, Angular, SQL, Java, Python, C#, JavaScript); experience defining system architectures, web services (REST/HTTPS/JSON); healthcare IT preferred.
.NET, Angular, SQL, Java, Python, C#, JavaScript, REST, HTTPS, JSON, HTML5, CSS, Google Cloud Platform (GCP), Amazon Web Services (AWS), MSSQL, Windows Server
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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
3mo
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Software Engineer
Atlanta or Denver or New York or Albany or Baltimore or Boston or Greenville or Charleston or Columbia or Winston-Salem or Greensboro or Raleigh or Charlotte or Durham or Charlottesville or Mc Lean or Houston or Huntsville or San Francisco or Walnut Creek or Irvine or San Diego or Glendale or Sunnyvale or Reno or Las Vegas or Nashville or Tucson or Phoenix or Washington or Wilmington
$72k-$121k/yr RemoteFull Time
Womble Bond Dickinson
Womble Bond Dickinson: Transatlantic law firm providing comprehensive legal services to businesses.
5+ YOE5+ years data engineering with Microsoft stack; strong C#/.NET, Blazor/React/TypeScript, SQL Server/T-SQL; experience with Azure, Microsoft Fabric, Azure Data Factory, Synapse, Boomi; production AI/RAG/agent experience; Bachelor's in CS or equivalent.
C#, .NET, Blazor, React, TypeScript, Microsoft Power Platform, Microsoft Power Apps, Microsoft Power Automate, Microsoft Dataverse, Azure Data Factory, Microsoft Fabric, Delta Lake, Dataflow Gen2, Azure SQL, SQL Server, T-SQL, SSRS, SSAS, Boomi, Azure AI Foundry, Microsoft Agent Framework, Copilot Studio, Microsoft Copilot, Microsoft Teams, Microsoft Office add-ins, Git, Azure DevOps, Synapse
2w
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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
3w
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Senior Software Engineer
Wilmington or London or Amsterdam
HybridFull Time
CSC
CSC: Provides global business administration and compliance solutions.
Expertise with C# and .NET Core, Blazor, Entity Framework Core, SQL Server, Azure Functions, Playwright, JavaScript/TypeScript, and experience building AI-enabled applications and AI-augmented SDLC practices.
C#, .NET Core, Blazor Server, Blazor WebAssembly, GitHub Copilot, Cursor, Claude Code, Entity Framework Core, SQL Server, Azure Functions, Bootstrap, Playwright, JavaScript, TypeScript, Azure Pipelines, Git, MediatR, Clean Architecture, Fluxor, Polly, Artillery, JMeter, K6, Locust, Docker, Kubernetes, Azure AI Foundry, Azure OpenAI Service
1w
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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
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Senior Data Engineer-JT0224
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.
Expertise in Azure cloud services, data lakehouse architecture, ELT pipelines, Python, SQL, and C#. Experience with Snowflake, dbt, Airflow, Terraform/CloudFormation, and CI/CD. Bachelor's or Master's in CS or equivalent experience.
Azure Synapse, Azure Data Lake Storage Gen2, Azure DevOps Pipelines, Power BI, Snowflake, dbt, Airflow, Python, SQL, C#, .NET Framework, .NET Core, Terraform, CloudFormation
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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
1mo
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Senior Software Engineer, Medical Device
Newark, Delaware, United States
$107k-$167k/yr HybridFull Time
Hologic
HologicNASDAQ: HOLX: Develops medical technology for women's healthcare and diagnostics.
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
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Full Stack Developer (Angular/NodeJS) - II
Wilmington or California or Colorado or Illinois or Minnesota or New Jersey or New York or Oregon or Washington or United States
$85k-$117k/yr RemoteFull Time
Syms Strategic Group
Syms Strategic Group: Provides IT and professional services to federal government agencies.
8+ YOE8+ years building RESTful APIs and back-end services in Java/NodeJS with Angular front-end, cloud (AWS/Azure), Git workflows, unit/integration testing, and experience with structured healthcare/EDI data.
Java, NodeJS, Angular, C#/.Net, AWS, Azure, API Gateway, Lambda, S3, CloudWatch, Git, GitHub, JUnit, Jest, JIRA, Docker, ECS, EKS, XML, JSON, EDI, Microsoft Teams, Scrum, Kanban
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Senior Full Stack Software Engineer
New Castle, Delaware, United States
HybridFull Time
Waters Corporation
Waters CorporationNYSE: WAT: Provider of analytical laboratory instruments and software.
5+ YOEBachelor's degree or equivalent, 5+ years building large-scale applications using C#, .NET stack and React/TypeScript; strong software engineering practices, database and multithreading knowledge, Agile experience.
C#, .NET, ASP.NET, RESTful Web API, EF Core, PostgreSQL, React, Typescript, Kubernetes, Docker, GitHub, GitHub Actions, SpecFlow, OWASP, PKI, X509 Certificates, TLS, SQL
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Lead .Net Platform Engineer (Payments Ingestion) - Senior Vice President
New Castle or Irving
$156k-$234k/yr HybridFull Time
Citi
CitiNYSE: C: Global diversified financial services holding.
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