Analyze requirements and create detailed test cases, test plans, and test reports Execute manual testing for web/mobile/API systems Design and maintain automation test scripts using tools such as Selenium, Katalon, or similar Perform regression testing, smoke testing, and integration testing Collaborate with developers and BAs to ensure quality standards Report and track bugs using tools like Jira, Redmine, or similar Participate in daily stand-ups and sprint planning (Agile/Scrum)