Senior Software Engineer Job Wilmington area,Delaware USA,Software Development

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 Web Assembly, or similar front-end frameworks.
Leverage AI-assisted development tools (e.g., Git Hub 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 Type Script for modern web application development
Practical use of AI-assisted development tools such as Git Hub 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…