Senior Software Development Engineer Visa Sponsorship Jobs in Delaware
Senior software development engineer visa sponsorship jobs in Delaware are concentrated around Wilmington, where major financial technology firms like JPMorgan Chase, Bank of America, and Barclays maintain large technology operations. The state's proximity to Philadelphia expands the job market further, with DuPont and Incyte also sponsoring engineering talent regularly.
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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
Senior Software Development Engineer Job Roles in Delaware
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Search Senior Software Development Engineer Jobs in DelawareSenior Software Development Engineer Jobs in Delaware: Frequently Asked Questions
Which companies sponsor visas for senior software development engineers in Delaware?
Financial technology employers dominate visa sponsorship for senior software development engineers in Delaware. JPMorgan Chase, Bank of America, Barclays, and Capital One all maintain engineering teams in Wilmington and have consistent H-1B visa sponsorship histories filed with the Department of Labor. Outside fintech, DuPont and Incyte sponsor senior engineering roles in their technology divisions. Sponsorship activity is concentrated among large enterprises rather than startups.
Which visa types are most common for senior software development engineer roles in Delaware?
The H-1B is the most common visa category for senior software development engineers in Delaware, as the role qualifies as a specialty occupation requiring at least a bachelor's degree in computer science, software engineering, or a related field. Candidates already holding L-1B intracompany transferee status at multinational firms like JPMorgan or Barclays sometimes transition to H-1B. O-1A petitions occasionally apply for engineers with documented extraordinary achievement.
Which cities in Delaware have the most senior software development engineer sponsorship jobs?
Wilmington accounts for the large majority of senior software development engineer sponsorship activity in Delaware, driven by the concentration of financial services and fintech headquarters along the Brandywine corridor. Newark, home to the University of Delaware, has a smaller but growing technology employer presence. Dover sees limited senior engineering sponsorship. Many Delaware-based roles are also accessible from across the Pennsylvania and New Jersey borders.
How to find senior software development engineer visa sponsorship jobs in Delaware?
Migrate Mate filters job listings specifically by visa sponsorship availability, so you can search senior software development engineer roles in Delaware without sorting through positions that won't support international candidates. Because Delaware's sponsoring employers are heavily concentrated in financial services and life sciences, filtering by industry alongside location on Migrate Mate helps narrow results to the employers most likely to have active sponsorship processes in place.
Are there state-specific considerations for senior software development engineers seeking sponsorship in Delaware?
Delaware's sponsoring employers are primarily large regulated financial institutions, which tend to have structured internal immigration processes and established relationships with immigration counsel. This means H-1B petitions at firms like JPMorgan or Bank of America typically go through formal HR workflows rather than ad hoc arrangements. The University of Delaware produces a pipeline of engineering graduates and has partnerships with regional employers, which can benefit candidates transitioning from OPT to H-1B sponsorship.
What is the prevailing wage for sponsored senior software development 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.