Developed and executed over 150 automated test scripts using Selenium and Java, increasing test coverage by 30% and reducing manual testing efforts by 50%.Created and managed test suites in JIRA for multiple web applications, ensuring comprehensive test coverage and reducing defect leakage by 20%.Collaborated with cross-functional teams, including Software Engineers, IT Managers, and Business Analysts, to gather requirements and develop effective test strategies.Implemented data-driven testing approaches using TestNG and Maven, improving test efficiency by 40%.Actively participated in Agile/Scrum ceremonies, contributing to sprint planning, daily stand-ups, and retrospective meetings, resulting in a 15% improvement in team velocity.