The Quality Assurance Team at OK.RU is responsible for ensuring the reliability, performance, and functionality of one of the world's most traffic-intensive social networks. This team rigorously tests web and mobile applications to detect and address defects, ensuring the platform can handle hundreds of thousands of requests per second and support millions of users simultaneously. They continuously develop and implement testing strategies to maintain the highest quality standards, leveraging both automated and manual testing techniques to keep the service running smoothly and efficiently.