•Performed manual testing of web applications to ensure product quality and adherence to specifications.•Developed automated tests using Selenium Webdriver to ensure the quality of web applications•Conducted comprehensive UI testing and UAT tesing for web applications, identifying and reporting defects, inconsistencies, and usability issues.•Conducted manual testing on REST API integration with Postman to identify any discrepancies•Performed debugging and troubleshooting processes to locate code defects•Analyzed test results, reported bugs, and tracked them to resolution and prepared test Scenarios, and test cases using Azure DevOps•Contributed to root cause analysis to determine the core reason for failures and errors•Performed Cross Browser Testing Using BrowserStack•Collaborated with developers and product owners for efficient defect resolution•Participated in design review sessions and provided feedback on the functionalities•Suggested improvements in software performance by implementing best practices requirement analysis or gap, Technology Stack: Java-Selenium, Eclipse IDE, Postman, Azure DevOps.