Senior Web Engineer Jobs in Delaware
Senior Web Engineer jobs in Delaware are open across Wilmington, Newark, and Dover and other Delaware metros, with employers like JPMorganChase, KBR, and CVS Health hiring at every experience level. Find a role that fits below and apply directly.
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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?
Software Development
- Strong experience building scalable applications with C# and .NET Core.
- Proficiency with modern front-end frameworks, preferably Blazor Server or Blazor WebAssembly.
- Strong understanding of Entity Framework Core, including data modeling, migrations, LINQ, and performance optimization.
- Proficiency with SQL Server, including scripting, query tuning, indexing, and execution-plan analysis.
- Hands-on experience with Azure Functions or similar serverless technologies.
- Experience developing responsive user interfaces using Bootstrap or comparable frameworks.
- Familiarity with unit testing frameworks and Git-based version control workflows.
- Ability to work effectively in Agile development environments.
AI & Intelligent Systems
- Experience with large language model (LLM) architectures, prompt engineering, retrieval-augmented generation (RAG), semantic search, vector databases, and agentic AI patterns.
- Hands-on experience building AI agents or AI-enabled workflows.
- Knowledge of Azure AI Foundry, Azure OpenAI Service, and modern AI/ML frameworks.
- Ability to design and optimize AI-assisted development processes and workflows.
- Understanding of AI governance, model limitations, risk considerations, and responsible AI usage.
Test Automation & Quality Engineering
- Proficiency with Playwright and JavaScript/TypeScript for automated UI, API, and database testing.
- Strong object-oriented programming (OOP) skills and software engineering fundamentals.
- Experience delivering complex testing and automation initiatives, including test parallelization and flaky-test remediation.
- Familiarity with Azure Pipelines, CI/CD practices, Git, and Scrum methodologies.
Preferred Qualifications
- Experience with MediatR, Clean Architecture, Fluxor, or similar architectural and state management patterns.
- Experience with resilience frameworks such as Polly.
- Experience with performance testing tools such as Artillery, JMeter, K6, or Locust.
- Experience with containerization technologies including Docker and Kubernetes.
CSC #CSCCareers #LI-HL1
See All 167+ Senior Web Engineer Jobs in Delaware
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Find Senior Web Engineer JobsSenior Web Engineer Jobs by City in Delaware
Where Delaware roles are concentrated, by current openings.
Senior Web Engineer Job Market in Delaware
A snapshot from current Delaware openings, updated as new roles post.
Who's Hiring
- JPMorganChase19

- KBR14

- CVS Health9

- Citi9

- CSC6

Top Industries Hiring
- Technology & Software23
- Healthcare & Medical Services19
- Banking & Financial Services18
- Biotechnology & Pharmaceuticals15
- Consulting & Professional Services10
What Delaware Employers Look For
The qualifications that appear most often in senior web engineer jobs across Delaware.
- 5 or more years of professional experience in web application development
- Proficiency in one or more modern frontend frameworks such as React, Vue, or Angular
- Strong command of TypeScript and JavaScript fundamentals
- Experience with RESTful or GraphQL API design and integration
- Familiarity with CI/CD pipelines, cloud infrastructure, and deployment workflows
- Bachelor's degree in computer science, software engineering, or a related technical field
Senior Web Engineer Jobs in Delaware: Frequently Asked Questions
How many senior web engineer jobs are there in Delaware?
There are 167+ senior web engineer openings in Delaware on Migrate Mate as of June 2026, with the most roles in Wilmington, Newark, and Dover. New positions post regularly as employers across Delaware hire.
How much do senior web engineers make in Delaware?
Senior web engineers in Delaware earn a median of about $76,020 a year, based on May 2025 Bureau of Labor Statistics wage data, ranging from around $50,790 for the lowest 10% to over $117,500 for the top 10%. Pay rises with experience, specialty, and employer.
Which Delaware cities have the most senior web engineer jobs?
Wilmington, Newark, and Dover have the most senior web engineer openings in Delaware right now, with additional roles spread across smaller metros statewide.
Which companies hire senior web engineers in Delaware?
Employers hiring senior web engineers in Delaware include JPMorganChase, KBR, and CVS Health, based on current listings on Migrate Mate as of June 2026.
Are there remote senior web engineer jobs in Delaware?
Yes. About 25% of senior web engineer openings tied to Delaware are remote or hybrid as of June 2026. The rest are on-site roles based in Delaware metros.
How do I apply for senior web engineer jobs in Delaware?
You can apply to senior web engineer jobs in Delaware directly on Migrate Mate. Search the listings above, find roles that match your experience and preferred Delaware location, then apply to each one that fits.
See All 167+ Senior Web Engineer Jobs in Delaware
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