Design, develop, and maintain automated test scripts using Katalon Studio with Selenium, Cucumber, and Gherkin. Conduct functional, regression, and performance testing across web, mobile, and API platforms. Analyze test results, identify defects, and collaborate with developers to resolve issues. Contribute to the development and maintenance of the CI/CD pipeline using tools like Jenkins, BitBucket, and Bamboo. Work closely with the development team to implement and promote BDD (Behavior-Driven Development) principles. Utilize SQL Server to perform database testing and data validation. Conduct performance testing using JMeter and analyze performance metrics. Monitor test results and performance metrics using Grafana and k6. Utilize Docker and Kubernetes for containerization and test environment management. Document test cases, test plans, and test results using Jira, Confluence, and Azure DevOps. Stay up-to-date with the latest testing tools, technologies, and best practices.