Senior .NET Developer

TransUnion • Chicago, PA

13d • Remote

About The Position

The DHI and DataLink Support organization is responsible for developing and supporting critical insurance technology products that help TransUnion deliver data-driven solutions to customers across the insurance industry. This team consists of four product-focused development teams supporting multiple business-critical applications that contribute to TransUnion's insurance solutions portfolio. This role reports to Director of Software Development. This is a remote position which may require occasional in-person attendance at work-related events at the discretion of management. Serve as a key technical contributor on the DHI Online Scrum Team, developing and supporting enterprise applications that support TransUnion's Insurance business. Lead the design, development, enhancement, and maintenance of secure, scalable applications using the Microsoft .NET technology stack. Partner closely with business stakeholders, Product Management, Project Management, and Engineering teams to translate business requirements into technical solutions. Play a significant role in the development and ongoing evolution of the TransUnion Telematics platform and related insurance products. Design and implement integrations with internal systems and external business partners while ensuring reliability, security, and scalability. Support architecture decisions, application modernization efforts, and cloud adoption initiatives that improve performance, maintainability, and operational efficiency. Troubleshoot production issues, identify root causes, and implement long-term solutions that improve platform stability and user experience. Maintain and improve CI/CD processes, automated testing practices, and deployment pipelines to enable efficient software delivery. Ensure development activities align with security best practices, regulatory requirements, and enterprise software development standards. Contribute to project planning, solution estimation, technical documentation, and continuous improvement initiatives across the development lifecycle.

Requirements

• Bachelor's degree in Computer Science, Information Technology, Information Systems, or a related field; equivalent professional experience will also be considered.
• 5-8+ years of software development experience building, enhancing, and supporting enterprise applications utilizing the Microsoft .NET technology stack.
• Experience working within Agile Scrum environments and collaborating with cross-functional business and technology stakeholders to deliver software solutions.
• Strong understanding of software architecture principles, secure software development practices, and application lifecycle management in enterprise environments.
• Experience designing, supporting, and optimizing relational databases and data access strategies to ensure application performance, scalability, and data integrity.
• Advanced proficiency with C#, ASP.NET MVC, ASP.NET Web API, .NET Framework, and .NET Core/.NET 5/6 for enterprise application development.
• Strong experience with Microsoft Visual Studio and modern software development tools.
• Hands-on experience with SQL Server and PostgreSQL, including database design, development, performance tuning, and complex querying.
• Experience with AWS (Amazon Web Services) or other cloud platforms for application hosting, deployment, and support.
• Experience building, supporting, and maintaining CI/CD (Continuous Integration and Continuous Delivery) pipelines and automated deployment processes.

Nice To Haves

• Experience building or supporting distributed systems and highly scalable enterprise applications.
• Familiarity with Dependency Injection frameworks such as Autofac, Ninject, or Unity.
• Experience developing and supporting .NET Core applications running in Linux environments.
• Experience with TDD (Test-Driven Development) and automated testing frameworks.
• Knowledge of regulated environments and security frameworks, including HIPAA and PCI compliance requirements.

Responsibilities

• Lead the design, development, enhancement, and maintenance of secure, scalable applications using the Microsoft .NET technology stack.
• Partner closely with business stakeholders, Product Management, Project Management, and Engineering teams to translate business requirements into technical solutions.
• Play a significant role in the development and ongoing evolution of the TransUnion Telematics platform and related insurance products.
• Design and implement integrations with internal systems and external business partners while ensuring reliability, security, and scalability.
• Support architecture decisions, application modernization efforts, and cloud adoption initiatives that improve performance, maintainability, and operational efficiency.
• Troubleshoot production issues, identify root causes, and implement long-term solutions that improve platform stability and user experience.
• Maintain and improve CI/CD processes, automated testing practices, and deployment pipelines to enable efficient software delivery.
• Ensure development activities align with security best practices, regulatory requirements, and enterprise software development standards.
• Contribute to project planning, solution estimation, technical documentation, and continuous improvement initiatives across the development lifecycle.

Benefits

• Day-one eligibility for medical, dental, and vision coverage, plus supplemental plan options.
• Spousal, domestic partner, and other eligible dependent coverage is available on select plans.
• Tax‑advantaged HSA and FSA accounts.
• Company‑paid basic life and AD&D.
• Optional voluntary life and AD&D for you and your family.
• Short- and long‑term disability.
• Legal plan.
• Pet insurance.
• Travel accident coverage.
• Adoption assistance.
• Fertility planning coverage.
• Caregiver support.
• Dependent Care FSA for possibility of an employer match.
• Complimentary Care@Work membership.
• Up to 12 weeks of paid parental leave with eligibility for a thoughtful, gradual return.
• 401(k) with employer match.
• Employee Stock Purchase Plan (ESPP).
• Financial wellness resources.
• Career coaching.
• Optional long‑term care insurance.
• Tuition reimbursement.
• Flexible time off for exempt employees or paid time off for nonexempt employees.
• Up to 12 paid holidays per year.
• Commuter benefits.
• Employee discounts.
• Charitable gift matching.
• Paid volunteer time off.
• Corporate volunteer events.
• 24/7 support including professional therapy, coaching, and emotional well‑being programs.
• Guided meditation and resources that support physical, mental, social, and financial wellness.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior