Backend Engineer Visa Sponsorship Jobs in Delaware
Delaware's backend engineer job market is anchored by financial services firms in Wilmington, including JPMorgan Chase, Bank of America, and Capital One, alongside a growing biotech corridor near Newark. Several of these employers have active H-1B visa sponsorship histories. University of Delaware graduates also feed into local tech hiring pipelines.
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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
Backend Engineer Job Roles in Delaware
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Search Backend Engineer Jobs in DelawareBackend Engineer Jobs in Delaware: Frequently Asked Questions
Which companies sponsor visas for backend engineers in Delaware?
Financial institutions headquartered or with major operations in Wilmington, such as JPMorgan Chase, Bank of America, Barclays, and Capital One, have consistent H-1B sponsorship histories for backend engineering roles. DuPont and Incyte in the life sciences sector also file LCAs for technical positions. Sponsorship activity is concentrated in Wilmington, with smaller pockets in Newark near the University of Delaware.
Which visa types are most common for backend engineer roles in Delaware?
The H-1B is the most common visa for backend engineers in Delaware. Software development and backend engineering roles typically qualify as specialty occupations requiring at least a bachelor's degree in computer science or a related field. Candidates already holding OPT or STEM OPT can work while an H-1B petition is pending. L-1B visas are also used by multinational firms transferring engineers with specialized knowledge into Delaware offices.
Which cities in Delaware have the most backend engineer sponsorship jobs?
Wilmington accounts for the large majority of backend engineer sponsorship activity in Delaware, driven by its concentration of financial services and corporate headquarters. Newark is a secondary hub, benefiting from proximity to the University of Delaware and a smaller cluster of technology and biotech employers. Dover, as the state capital, has limited private-sector tech sponsorship compared to the northern part of the state.
How to find backend engineer visa sponsorship jobs in Delaware?
Migrate Mate filters job listings specifically by visa sponsorship availability, making it easier to identify Delaware employers actively hiring backend engineers who need work authorization. Rather than sifting through general job boards, you can search by role and state to surface positions at financial services firms, biotech companies, and technology employers in Wilmington and Newark that have documented sponsorship histories.
Are there any state-specific considerations for backend engineers seeking sponsorship in Delaware?
Delaware's employer base skews heavily toward financial services and life sciences, so backend engineers with experience in fintech infrastructure, payment processing, or bioinformatics systems may find stronger alignment with local sponsors. The University of Delaware OPT pipeline feeds into Newark-area employers. Because many Delaware-headquartered companies operate nationally, some sponsoring roles may be remote or hybrid despite having a Delaware legal address.
What is the prevailing wage for sponsored backend engineer 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.