Senior.NET Developer

Role Description The DHI Information Technology Online Scrum Team supports TransUnion’s DHI business unit by building, maintaining, and modernizing secure software applications that help enable digital insurance and telematics capabilities. This is a remote position which may require occasional in-person attendance at work-related events at the discretion of management. Lead development efforts for key DHI Information Technology software applications and frameworks, including the new TransUnion Telematics project. Serve as a technical leader for the DHI Information Technology Online Scrum Team, guiding solution design, architecture decisions, delivery planning, and engineering best practices. Design, develop, test, troubleshoot, maintain, and support secure enterprise applications using the Microsoft .NET framework and modern software engineering practices. Partner with stakeholders and senior leaders to define technical direction, align development work to business outcomes, and help prioritize complex initiatives. Build and support complex integrations and external connections with third-party business partners, focusing on reliability, scalability, performance, and security. Maintain and enhance end-to-end continuous integration and continuous delivery (CI/CD) pipelines, including automated testing, repeatable deployments, and continuous security scanning. Apply a security-first software development lifecycle (SDLC) approach by using secure coding practices and supporting vulnerability remediation. Research, evaluate, and recommend technologies, tools, and design approaches to improve development productivity, application performance, maintainability, and cloud cost optimization. Identify, investigate, and resolve software defects and application issues in partnership with business users, technology teams, and cross-functional stakeholders. Qualifications Bachelor’s degree or master’s degree in Computer Science, Information Technology (IT), Information Systems (IS), or a related field, or equivalent practical experience. 5 to 8 years of experience in software development, software product engineering, or software consulting, including hands-on experience with the Microsoft .NET technology stack. Experience translating stakeholder requirements into technical specifications, estimates, application deliverables, and maintainable software solutions. Experience working with business users and cross-functional stakeholders to troubleshoot application issues and deliver improvements. Strong understanding of secure software development practices, sensitive data handling, and compliance-minded engineering. Requirements Microsoft .NET framework, .NET Core 5 or 6, C#, ASP.NET MVC, ASP.NET Web API, and Microsoft Visual Studio. Relational database development using Microsoft SQL Server, PostgreSQL, SQL, schema design, querying, data access layers, and data integrity practices. Continuous integration and continuous delivery (CI/CD), automated testing, deployment pipelines, and secure software development lifecycle (SDLC) practices. Cloud application development and operations, with experience in Amazon Web Services (AWS) preferred. Distributed systems, application performance optimization, complex integrations, external partner connections, and enterprise-grade troubleshooting. Preferred Skills Developing and supporting .NET Core applications running on Linux-based environments. Applying design patterns, dependency injection patterns, and related frameworks such as Autofac, Ninject, or Microsoft Unity. Test-driven development (TDD), including writing testable code and improving automated test coverage. Familiarity with HIPAA and PCI security requirements. Cloud technologies, cloud cost optimization, and emerging tools that improve software reliability, scalability, and engineering productivity. Company Description At TransUnion, we encourage and are committed to creating a real, positive impact and shared sense of purpose within our Workforce for Good, empowering our people to grow, innovate and contribute to a better future for our communities and customers. We strive to build an environment where our associates are in the driver’s seat of their professional development while having access to help along the way. We recognize that success comes when our associates thrive both professionally and personally; that’s why we prioritize work/life flexibility and offer resources for our teams across the globe to collaborate and drive excellence.