The Software Development Engineer in Testing (SDET) will serve as a User Acceptance Tester (UAT), ensuring that sports and race retail and mobile betting platforms meet quality standards before launch. As part of the final phase of system release, the UAT will validate that the software performs as expected in real-world betting scenarios and aligns with business, regulatory, and technical requirements.This role requires strong analytical skills and attention to detail to clarify requirements, communicate effectively with both technical and non-technical stakeholders, and ensure that identified defects are triaged and resolved efficiently.Key Responsibilities:Develop detailed test cases and participate in application testing for the sports and race retail and mobile betting platform.Support UAT processes by creating test cases, test plans, and tools for capturing test results.Conduct manual application testing, execute test cases, and document test results.Perform end-to-end system testing to verify proper system functionality, ensuring compliance with betting regulations and real-time transaction accuracy.Collaborate with cross-functional teams to identify, document, and resolve issues.Perform other related duties as assigned.