Back End Developer Visa Sponsorship Jobs in Delaware
Back end developer visa sponsorship jobs in Delaware are concentrated in Wilmington, where major financial institutions like JPMorgan Chase, Bank of America, and Discover Financial maintain large technology teams. The state's financial services sector drives consistent demand for engineers skilled in Java, Python, and cloud infrastructure, making Delaware a practical target for international developers seeking sponsored roles.
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Get Access To All JobsSenior Software Engineer
Wilmington, DE
Monday-Friday 8: 00 am – 5:00 pm
Hybrid
At CSC, we are seeking a skilled .NET Software Developer to join our engineering team. In this role, you will design, build, and maintain robust solutions for the Global Trust and Agency business domain. The ideal candidate brings strong .NET expertise, a commitment to code quality, and the ability to collaborate effectively across cross-functional teams.
Global Trust and Agency provides trustee, agency, and fiduciary services across structured finance, debt capital markets, and corporate trust transactions worldwide. This role supports development of a global platform within the Global Trust and Agency domain enabling CSC’s global operations.
Some of the things you’ll be doing:
- Design, develop, and maintain scalable, modular applications using C# and .NET Core.
- Build and enhance modern web applications using Blazor Server, Blazor WebAssembly, or similar front-end frameworks.
- Leverage AI-assisted development tools (e.g., GitHub Copilot, Cursor, Claude Code) to improve code quality, testing, refactoring, and development efficiency.
- Design and optimize data models, database schemas, and application performance using Entity Framework Core and SQL Server.
- Develop and maintain serverless solutions using Azure Functions or comparable technologies.
- Create responsive and user-friendly interfaces using Bootstrap or similar CSS frameworks.
- Translate business requirements into scalable, maintainable technical solutions within Agile development teams.
- Design, build, and support AI-enabled applications, agents, and intelligent workflows.
- Evaluate, implement, and optimize AI-augmented software development lifecycle (SDLC) practices.
- Develop and maintain automated testing solutions for UI, API, and database validation using Playwright and related technologies.
- Participate in sprint planning, code reviews, testing, CI/CD processes, and collaborative software delivery activities.
- Troubleshoot application, performance, and testing issues, including test reliability and automation framework improvements.
- Collaborate with cross-functional teams to deliver high-quality software and drive continuous improvement initiatives.
What technical skills, experience and qualifications do you need?
Core Development & SDLC
- Experience building scalable, modular applications with C# and .NET Core
- Proficiency in at least one modern front-end framework for building responsive, interactive web applications (e.g., Blazor, React, Angular, or Vue)
- Proficiency with JavaScript and/or TypeScript for modern web application development
- Practical use of AI-assisted development tools such as GitHub Copilot, Cursor, or Claude Code for code generation, refactoring, testing, and review
- Strong grounding in OOP principles and developing high-quality, maintainable, scalable code
- Strong understanding of data modeling, migrations, LINQ, and performance optimization with Entity Framework Core
- Proficiency in SQL Server, including scripting, execution-plan analysis, indexing, and query tuning
- Hands-on experience with Azure Functions or comparable serverless technologies
- Proficiency in responsive UI development using Bootstrap or similar CSS frameworks
- Familiarity with Git, CI/CD pipelines, and collaborative development workflows
- Experience working in Agile/Scrum environments and delivering moderate- to high-complexity work within sprint cycles
- Preferred: familiarity with MediatR, Clean Architecture, Fluxor (or similar state-management libraries), and resilience patterns such as Polly
- Preferred: experience with containers and orchestration technologies such as Docker and Kubernetes
AI & Intelligent Systems
- Experience with LLM architectures, prompt engineering, RAG, semantic search, vector databases, and agentic AI patterns
- Hands-on experience building AI agents or AI-enabled workflows for development, QA, performance testing, or security automation
- Strong knowledge of Azure AI Foundry, Azure OpenAI Service, and modern AI/ML frameworks
- Ability to design and optimize AI-augmented SDLC workflows with measurable efficiency gains
- Familiarity with AI-assisted documentation practices and the ability to evaluate AI-generated output, including awareness of model limitations and risks
Test Automation & Quality Engineering
- Experience with test parallelization, test-data management, and flaky-test triage
- Preferred: proficiency with Playwright for UI, API, and database testing, including mocking
- Preferred: experience with performance-testing tools such as Artillery, JMeter, K6, or Locust
- Preferred: experience in a risk-based, automation-first engineering environment
Senior Software Engineer
Wilmington, DE
Monday-Friday 8: 00 am – 5:00 pm
Hybrid
At CSC, we are seeking a skilled .NET Software Developer to join our engineering team. In this role, you will design, build, and maintain robust solutions for the Global Trust and Agency business domain. The ideal candidate brings strong .NET expertise, a commitment to code quality, and the ability to collaborate effectively across cross-functional teams.
Global Trust and Agency provides trustee, agency, and fiduciary services across structured finance, debt capital markets, and corporate trust transactions worldwide. This role supports development of a global platform within the Global Trust and Agency domain enabling CSC’s global operations.
Some of the things you’ll be doing:
- Design, develop, and maintain scalable, modular applications using C# and .NET Core.
- Build and enhance modern web applications using Blazor Server, Blazor WebAssembly, or similar front-end frameworks.
- Leverage AI-assisted development tools (e.g., GitHub Copilot, Cursor, Claude Code) to improve code quality, testing, refactoring, and development efficiency.
- Design and optimize data models, database schemas, and application performance using Entity Framework Core and SQL Server.
- Develop and maintain serverless solutions using Azure Functions or comparable technologies.
- Create responsive and user-friendly interfaces using Bootstrap or similar CSS frameworks.
- Translate business requirements into scalable, maintainable technical solutions within Agile development teams.
- Design, build, and support AI-enabled applications, agents, and intelligent workflows.
- Evaluate, implement, and optimize AI-augmented software development lifecycle (SDLC) practices.
- Develop and maintain automated testing solutions for UI, API, and database validation using Playwright and related technologies.
- Participate in sprint planning, code reviews, testing, CI/CD processes, and collaborative software delivery activities.
- Troubleshoot application, performance, and testing issues, including test reliability and automation framework improvements.
- Collaborate with cross-functional teams to deliver high-quality software and drive continuous improvement initiatives.
What technical skills, experience and qualifications do you need?
Core Development & SDLC
- Experience building scalable, modular applications with C# and .NET Core
- Proficiency in at least one modern front-end framework for building responsive, interactive web applications (e.g., Blazor, React, Angular, or Vue)
- Proficiency with JavaScript and/or TypeScript for modern web application development
- Practical use of AI-assisted development tools such as GitHub Copilot, Cursor, or Claude Code for code generation, refactoring, testing, and review
- Strong grounding in OOP principles and developing high-quality, maintainable, scalable code
- Strong understanding of data modeling, migrations, LINQ, and performance optimization with Entity Framework Core
- Proficiency in SQL Server, including scripting, execution-plan analysis, indexing, and query tuning
- Hands-on experience with Azure Functions or comparable serverless technologies
- Proficiency in responsive UI development using Bootstrap or similar CSS frameworks
- Familiarity with Git, CI/CD pipelines, and collaborative development workflows
- Experience working in Agile/Scrum environments and delivering moderate- to high-complexity work within sprint cycles
- Preferred: familiarity with MediatR, Clean Architecture, Fluxor (or similar state-management libraries), and resilience patterns such as Polly
- Preferred: experience with containers and orchestration technologies such as Docker and Kubernetes
AI & Intelligent Systems
- Experience with LLM architectures, prompt engineering, RAG, semantic search, vector databases, and agentic AI patterns
- Hands-on experience building AI agents or AI-enabled workflows for development, QA, performance testing, or security automation
- Strong knowledge of Azure AI Foundry, Azure OpenAI Service, and modern AI/ML frameworks
- Ability to design and optimize AI-augmented SDLC workflows with measurable efficiency gains
- Familiarity with AI-assisted documentation practices and the ability to evaluate AI-generated output, including awareness of model limitations and risks
Test Automation & Quality Engineering
- Experience with test parallelization, test-data management, and flaky-test triage
- Preferred: proficiency with Playwright for UI, API, and database testing, including mocking
- Preferred: experience with performance-testing tools such as Artillery, JMeter, K6, or Locust
- Preferred: experience in a risk-based, automation-first engineering environment
Back End Developer Job Roles in Delaware
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Search Back End Developer Jobs in DelawareBack End Developer Jobs in Delaware: Frequently Asked Questions
Which companies sponsor visas for back end developers in Delaware?
Delaware's largest visa sponsors for back end developers are concentrated in financial services. JPMorgan Chase, Bank of America, Barclays, and Discover Financial have all filed H-1B visa petitions for software engineering roles in Wilmington. DuPont and Incyte also sponsor developers on the technical side of pharmaceutical and chemical operations. These employers tend to have established immigration programs and work with outside counsel to handle petitions.
Which visa types are most common for back end developer roles in Delaware?
The H-1B is the most common visa category for back end developers in Delaware, given that software development qualifies as a specialty occupation requiring a related bachelor's degree or higher. Canadians and Mexicans may also be eligible for the TN visa under the USMCA. Australians can pursue the E-3 visa. For developers with exceptional records of achievement, the O-1A is an alternative that bypasses the H-1B lottery.
Which cities in Delaware have the most back end developer sponsorship jobs?
Wilmington accounts for the overwhelming majority of back end developer sponsorship activity in Delaware, driven by the concentration of financial services headquarters and technology operations centers there. Newark, home to the University of Delaware, has a smaller but growing tech presence with some startups and mid-size employers. Dover, the state capital, sees limited sponsorship activity for software roles compared to the northern part of the state.
How to find back end developer visa sponsorship jobs in Delaware?
Migrate Mate is built specifically for international developers searching for visa sponsorship roles, including back end developer positions in Delaware. You can filter by state and role to see employers actively hiring and sponsoring in Wilmington and surrounding areas. Because Delaware's tech hiring is heavily tied to financial services, searching for back end roles within that sector on Migrate Mate gives the most relevant results for sponsored opportunities.
Are there any Delaware-specific considerations for back end developers seeking visa sponsorship?
Delaware's incorporation-friendly legal environment means many large corporations are legally domiciled there, but their actual technology teams often operate out of Wilmington offices rather than registered agent addresses. When evaluating a sponsoring employer, confirm the physical work location matches where you'd be employed, since the H-1B Labor Condition Application is tied to the actual worksite. The University of Delaware also produces a pipeline of OPT-eligible computer science graduates, so employers in Newark are accustomed to sponsorship processes.
What is the prevailing wage for sponsored back end developer jobs in Delaware?
U.S. employers sponsoring a visa must pay at least the prevailing wage, which is what workers in the same role, area, and experience level typically earn. The Department of Labor sets this rate to make sure companies aren't hiring foreign workers simply because they'd accept lower pay than a U.S. worker. It varies by job title, location, and experience. You can look up current prevailing wage rates for any occupation and location using the OFLC Wage Search page.