Sr Developer –.Net Core 9 - Full Stack

Chennai April 23, 2026 Full Time Workday

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What We'll Bring:

Seeking a Senior Developer that will operate as a member of a core team of specialists that are responsible for the delivery of complex enterprise level services leveraging the principles of a microservice architecture, and deployed using Kubernetes both on premise and off premise multi-cloud (AWS and Azure).

What You'll Bring:

Responsibilities:

  • Design, develop, and optimize core backend services using .NET 9.0 and above.
  • Architect and implement microservices following SOLID principles and standard design patterns.
  • Develop secure RESTful services, integrating OAuth2-based authentication & authorization.
  • Build efficient data access layers using SQL Server and Entity Framework.
  • Collaborate closely with architects, product owners, and cloud engineering teams to deliver robust platform capabilities.
  • Write clean, maintainable, testable code following industry best practices.
  • Support performance optimization, debugging, and production troubleshooting. 

Skills:

  • Strong hands-on experience with .NET 9.0 and above
  • Design Patterns, Microservices Architecture, SOLID Principles
  • Database: SQL, Entity Framework and LINQ, performance tuning
  • Security: OAuth2, JWT-based authentication
  • Experience in setting up pipelines(Azure DevOps/Jenkins/Harness)  --- Secondary
  • Cloud Technologies(GCP/AWS) and Containerization - Docker & Kubernetes  --- Secondary
  • Flexible and quick to adapt to new technologies(JAVA/FrontEnd) based on project requirements.

Impact You'll Make:

Who We Are:

  • At TransUnion, we are dedicated to finding ways information can be used to help people make better and smarter decisions. As a trusted provider of global information solutions, our mission is to help people around the world access the opportunities that lead to a higher quality of life, by helping organizations optimize their risk-based decisions and enabling consumers to understand and manage their personal information. Because when people have access to more complete and multidimensional information, they can make more informed decisions and achieve great things.
  • Every day TransUnion offers our employees the tools and resources they need to find ways information can be used in diverse ways. Whether it is helping businesses better manage risk, providing better insights so a consumer can qualify for his first mortgage or working with law enforcement to make neighborhoods safer, we are improving the quality of life for individuals, families, communities and local economies around the world.
  • We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, disability status, veteran status, marital status, citizenship status, sexual orientation, gender identity or any other characteristic protected by law.

This is a hybrid position and involves regular performance of job responsibilities virtually as well as in-person at an assigned TU office location for a minimum of two days a week.

TransUnion Job Title

Sr Developer, Applications Programming
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