This article discusses Airbnbs journey towards a microservices architecture and the impact on quality engineering. It covers the benefits and challenges of microservices and how Airbnb approached the transition. The company used a variety of practices to ensure the quality of their services, including service level agreements (SLAs), automated testing, chaos engineering, and continuous integration and delivery. They also emphasized the importance of communication and collaboration between teams. Despite the challenges, Airbnb found that microservices enabled them to scale their infrastructure easily and improve their development velocity. Overall, the article provides insight into the growing importance of microservices and the role of quality engineering in ensuring their success.