Senior .NET Developer

Senior .NET Developer 4 Locations TransUnion's Job Applicant Privacy Notice Personal Information We Collect Your Privacy Choices Team Overview 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. Role Overview and Core Responsibilities 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. Required Knowledge and Experiences 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. Required Technical Skills 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. We're also looking for the preferred skills below. Whether you are proficient or could use some brushing up, we're happy to support your career development and growth in: 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. Benefits that support every part of your life: At TransUnion, we design benefits to help you feel well, do well, and plan well—from day one. For Your Health : Enjoy 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. Choose tax‑advantaged HSA and FSA accounts to make everyday care more affordable. For Your Protection : We’ve got your back with company‑paid basic life and AD&D, optional voluntary life and AD&D for you and your family, and short‑ and long‑term disability. You can also opt into a legal plan, pet insurance, and travel accident coverage. For Your Family : From adoption assistance and fertility planning coverage to caregiver support, we’re here for every chapter. Access Dependent Care FSA for possibility of an employer match, a complimentary Care@Work membership, and up to 12 weeks of paid parental leave with eligibility for a thoughtful, gradual return. For Your Future : Build toward what’s next with our 401(k) with employer match and Employee Stock Purchase Plan (ESPP). Tap financial wellness resources, career coaching, and optional long‑term care insurance to plan confidently. For You : Grow and recharge with 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, and paid volunteer time off, plus corporate volunteer events that make it easy to give back. For Your Wellness : Access 24/7 support including professional therapy, coaching, and emotional well‑being programs alongside guided meditation and resources that support physical, mental, social, and financial wellness. We are committed to being a place where diversity is not only present, it is embraced. As an equal opportunity employer, all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, disability status, veteran status, genetic information, marital status, citizenship status, sexual orientation, gender identity or any other characteristic protected by law. Additionally, in accordance with Section 503 of the Rehabilitation Act of 1973 and the Vietnam Era Veterans’ Readjustment Assistance Act of 1974, TransUnion takes affirmative action to employ and advance in employment qualified individuals with a disability and protected veterans in all levels of employment and develops annual affirmative action plans. Components of TransUnion’s Affirmative Action Program for individuals with disabilities and protected veterans are available for review to any associate or applicant for employment upon request by contacting ERCoE@transunion.com . Qualified applicants with arrest or conviction records will be considered for employment in accordance with applicable law, including the Los Angeles County Fair Chance Ordinance for Employers, the San Francisco Fair Chance Ordinance, Fair Chance Initiative for Hiring Ordinance, and the California Fair Chance Act. Adherence to Company policies, sound judgment and trustworthiness, working safely, communicating respectfully, and safeguarding business operations, confidential and proprietary information, and the Company’s reputation are also essential expectations of this position. Pay Scale Information: The U.S. base salary range for this position is $90,000.00 - $150,000 annually. *The salary range for this position reflects a reasonable estimate of the range of compensation for this job. At TransUnion, actual compensation is based on careful consideration of additional factors such as (but not limited to) an individual’s education, training, work experience, job-related skill set, location, and industry knowledge, as well as the scope and responsibilities of the position and market considerations. Regular, fulltime non-sales positions may be eligible to participate in TransUnion’s annual bonus plan. Certain positions may be also eligible for long-term incentives and other payments based on applicable company guidance and plan documents. TransUnion Overview: At TransUnion, we encourage and are committed to creating a real, positive impact and shared sense of purpose within our Workforce for Good , which empowers 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. Be a part of our Workforce for Good – you’ll work with great people, pioneering products and cutting-edge technology. TransUnion's Internal Job Title: Lead Developer, Software Development Company: TransUnion LLC Posted: 2026-07-22T00:00:00.000Z