Lead Developer, C# .NET & APIs
TransUnionResponsibilities
- Design, develop, test, and maintain enterprise-grade backend applications and services using C# and .NET.
- Lead implementation of scalable, secure, high-performing solutions for large-scale data processing and customer-facing products.
- Translate business requirements into technical designs and deliverable solutions with Product Owners, Architects, and cross-functional teams.
- Drive software quality through automated testing, code reviews, and continuous integration and deployment practices.
- Participate in architecture discussions and recommend improvements for design, performance, scalability, and maintainability.
- Troubleshoot and resolve complex production issues while improving system reliability.
- Mentor junior and mid-level developers and promote engineering best practices.
- Contribute to backlog refinement, sprint planning, estimation, and release activities in an Agile Scrum environment.
- Develop and maintain REST-based APIs and integrations with internal and external systems.
- Evaluate emerging technologies and recommend improvements to development efficiency, application performance, and operational effectiveness.
Requirements
- At least 5 years of professional software development experience building and supporting enterprise applications, with a strong backend focus.
- Strong understanding of object-oriented programming, software design patterns, data structures, algorithms, and application architecture.
- Experience working in Agile Scrum environments, including sprint planning, backlog grooming, estimation, and iterative delivery.
- Experience implementing automated testing and CI/CD practices.
- Proficiency with C# and .NET Framework or .NET Core.
- Experience designing, developing, and integrating REST APIs and web services.
- Experience with SQL and relational databases; SQL Server is preferred.
- Experience with Git, branching, pull requests, and collaborative code reviews.
- Experience with CI/CD tools such as Azure DevOps, GitHub Actions, Jenkins, or equivalent platforms.
- Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field, or equivalent practical experience.
- Preferred experience with Microsoft Azure, Amazon Web Services, or Google Cloud Platform.
- Preferred experience deploying containerized applications using Docker and Kubernetes.
- Preferred knowledge of SOAP web services, enterprise integrations, large-scale data processing, high-volume transactional applications, and observability and monitoring tools.
Benefits
- Hybrid work arrangement requiring regular virtual work and at least two days per week in an assigned TransUnion office.
- Work/life flexibility and resources supporting professional and personal development.
- Opportunities for career development and growth with support from the organization.
Tech Stack
Categories
About TransUnion
TransUnion is a global information and insights company that makes trust possible in the modern economy. We do this by providing an actionable picture of each person so they can be reliably represented in the marketplace. As a result, businesses and consumers can transact with confidence and achieve great things. This picture is grounded in our legacy as a credit reporting agency which enables us to tap into both credit and public record data; our data fusion methodology that helps us link, match and tap into the awesome combined power of that data; and our knowledgeable and passionate team, who stewards the information with expertise, and in accordance with local legislation around the world. A leading presence in more than 30 countries across five continents, TransUnion provides solutions that help create economic opportunity, great experiences and personal empowerment for hundreds of millions of people. We call this Information for Good® — it’s our purpose, and what drives us every day. Get Support / Contact Us Customer Support: https://transu.co/60024D64I Business Support: https://transu.co/60044D67G