This Sr Developer role at TransUnion offers a collaborative and innovative environment with flexible time off and professional growth opportunities. The position involves participating in new project planning, development, and release activities within a Scrum team, working on a fast, modern, real-time platform managing large data volumes. Candidates should have 7+ years of enterprise web development experience, strong React UI component building skills, and expertise in website performance optimization, cross-browser testing, information architecture, page design, and usability testing. The role is hybrid, requiring in-person presence at a TU office for a minimum of two days a week.