The purpose of the article is to analyze the key principles and strategies for improving quality in IT projects, which play a decisive role in the successful implementation and achievement of business goals. In the context of rapidly developing technologies and increasing complexity of projects, improving quality is becoming a prerequisite for ensuring their competitiveness. The main methodologies, such as Agile, Scrum and Waterfall, which help to structure development processes and guarantee high quality at all stages of the project, are substantiated. Attention is focused on the integration of quality standards into the development process, as well as the importance of using such tools as testing, code review, as well as risk analysis and management. Particular attention is paid to the role of the team: project managers, developers and testers in achieving quality goals. Recommendations are formed for the implementation of best practices for continuous improvement of work quality, both at the level of individual processes and within the organization as a whole. Examples of successful projects are structured, confirming the importance of a clear quality strategy. The key aspects of how effective quality management in IT projects contributes not only to their successful implementation.