The tempos of the software development process are growing every hour. Amazon uses to deploy software updates through their Apollo deployment service every 11.7 seconds. Etsy has a fully automated deployment pipeline that does about 50 deployments a day. With deadlines becoming tougher every day, the product quality requirements are growing as well. Under these conditions, maintaining and constantly improving the product quality becomes a matter of primary importance. In this article, we pay attention to the importance of software quality management. You will learn about the quality metrics used for assessing the software performance and ways to maintain the quality on the proper level. We also discuss the best practices of maintaining the software quality that the Jelvix team follows during product development for our customers.