Senior .NET Developer - Secure Customer Portal

Western & Southern Financial Group; Cincinnati (OH); On-site; USD 95,000 - 125,000; Full time

Job summary

Western & Southern Financial Group in Cincinnati, OH is seeking a Software Developer III to build and evolve a secure, authenticated customer portal. You will work across Sitecore XP, .NET/C#, front-end technologies, authentication, enterprise APIs, services, and data platforms to deliver secure and reliable customer experiences.

On any given day you may develop a new portal feature, integrate with an enterprise service, troubleshoot authentication or production issues, review code, or

Responsibilities

• Design, develop, test, and support secure customer-facing applications using Sitecore XP, .NET/C#, and modern web technologies.
• Develop across the full application stack, including front-end experiences, application logic, APIs, integrations, and supporting services.
• Build functionality for an authenticated customer portal, incorporating identity, authentication, authorization, and secure access to customer information.
• Integrate with enterprise APIs, services, and data sources to deliver cohesive digital experiences across complex backend systems.
• Collaborate with architects, product owners, business analysts, QA, and developers to design scalable, secure, and maintainable solutions.
• Troubleshoot complex production issues across application code, Sitecore, authentication, APIs, services, and data layers, identifying root causes and sustainable solutions.
• Write high-quality, maintainable code and participate in peer reviews while following enterprise security, accessibility, testing, and SDLC standards.
• Identify opportunities to modernize applications, reduce technical debt, improve performance, and simplify integrations.
• Contribute to CI/CD practices and use modern development and approved AI-assisted tools to improve development efficiency and code quality.
• Participate in Agile/Scrum delivery and take ownership of features from technical design through development, deployment, and production support.

Skills

C# & .NET

Sitecore XP

Authentication

APIs

Agile/Scrum

Tools

Visual Studio

REST APIs

Job description

Western & Southern Financial Group in Cincinnati, OH is seeking a Software Developer III to build and evolve a secure, authenticated customer portal. You will work across Sitecore XP, .NET/C#, front-end technologies, authentication, enterprise APIs, services, and data platforms to deliver secure and reliable customer experiences.

On any given day you may develop a new portal feature, integrate with an enterprise service, troubleshoot authentication or production issues, review code, or