> Markdown version of [/jobs/ext/1387351-senior-net-developer](https://www.wearedevelopers.com/jobs/ext/1387351-senior-net-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior .NET Developer - **Company:** TransUnion LLC - **Location:** Crum Lynne, PA, United States (Remote available) - **Experience:** Expert - **Salary:** $90,000.0 - $150,000.0 - **Contract:** Permanent contract - **Skills:** .NET Framework, Amazon Web Services, Application Lifecycle Management, Application Performance Management, ASP.NET MVC Framework, Automation of Tests, C Sharp (Programming Language), Software as a Service, Data Link, Information Systems, Continuous Delivery, Continuous Integration, Data Integrity, Data Security, Relational Databases, Database Design, Dependency Injection, Distributed Systems, PostgreSQL, Linux System Administration, Microsoft Visual Studio, Microsoft SQL Server, PCI Data Security Standards, Performance Tuning, Scrum Methodology, Software Architecture, Software Engineering, Software Systems, Enterprise Software Applications, Test-Driven Development (TDD), .NET Core, Delivery Pipeline, Asp.net Web Api, Information Technology, Deployment Automation, Data Analytics, Service Stack, Ninject - **Published:** July 22, 2026 - **Apply:** https://transunion.wd5.myworkdayjobs.com/TransUnion/job/Crum-Lynne-Pennsylvania/Senior-NET-Developer_19041174 ## About the Role * 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. ## Description 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., 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. ## Related Videos - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Functions Triggers using Azure Event Grids in Azure Blob Storage](https://www.wearedevelopers.com/videos/47-functions-triggers-using-azure-event-grids-in-azure-blob-storage) - [Data is Key: Scraping Metadata from Websites](https://www.wearedevelopers.com/videos/708-data-is-key-scraping-metadata-from-websites) - [Trunk-Based Development at Scale: Real-World Insights from a High-Traffic Luxury E-Commerce Platform](https://www.wearedevelopers.com/videos/1435-trunk-based-development-at-scale-real-world-insights-from-a-high-traffic-luxury-e-commerce-platform) - [This Is Not Your Father's .NET](https://www.wearedevelopers.com/videos/967-this-is-not-your-father-s-net) - [Offline first!](https://www.wearedevelopers.com/videos/645-offline-first) ## Related Articles - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)