Senior Software Engineer

Senior Software Engineer

Wilmington, DE

Monday-Friday 8:00 am – 5:00 pm

Hybrid (3 days in office per week)

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

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

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

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 architecture, 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

Ability to build and incorporate AI-enabled, streamlined platform workflows

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

#CSC #CSCCareers #LI-HL1

CSC is a global business, legal, and financial services company based in Wilmington, Delaware, USA, providing knowledge-based solutions to clients worldwide. We have offices and capabilities in over 140 jurisdictions in the Americas, Europe, Asia Pacific, and the Middle East, and more than 8,000 colleagues. We are the business behind business.®

Visit our careers site to learn more about CSC and our commitment to our clients, communities, and each other.

CSC is committed to creating a feeling of belonging through a diverse and growth-oriented environment where everyone is valued.

CSC colleagues have global career opportunities and excellent benefits, including annual success-sharing bonuses or commission plans based on individual performance. To learn more, visit cscglobal.com/service/careers .

We offer a range of support to colleagues with disabilities, ensuring people have the necessary resources to thrive in their roles. We encourage candidates to work closely with our talent acquisition partners to convey their specific needs. Our commitment to accessibility reflects our broader dedication to diversity and belonging,

CSC only accepts resumes from employment agencies that are part of our approved supplier program. Resumes submitted from other agencies either to talent acquisition, our hiring leaders, employees, or through any other mechanism other than our supplier process, will not be eligible to claim related fees and the submitted resumes will be considered property of CSC.

We encourage candidates to apply directly to our website and not through third-party sources.

Disclaimer: The information above describes the general nature and level of work performed by employees in this role. It is not intended to describe all duties, responsibilities, and qualifications.