The ISTQB® Certified Tester Quality in DevOps (CT-QDO) course provides a comprehensive understanding of how Quality Assurance and Testing practices are integrated within modern DevOps environments. The course covers DevOps fundamentals, QA and testing across the DevOps value stream, continuous testing, CI/CD pipeline implementation, automated and manual testing practices, quality reporting, test data management, infrastructure as code, observability, containerization, release strategies, and emerging DevOps technologies. Through practical examples and industry best practices, participants will learn how to collaborate effectively within cross-functional DevOps teams, implement quality-focused automation, improve delivery speed and reliability, and support continuous improvement initiatives. Upon completion, participants will be prepared to contribute to quality engineering activities in DevOps organizations and successfully attempt the ISTQB CT-QDO certification exam.