Application Design - How to Design the Second WhatsApp?

The article discusses the system design process, focusing on WhatsApp as an example. The author begins by outlining key points that must be considered in any messaging application project. Topics such as system architecture, data management, and user interface are explored in depth. The author emphasizes the importance of choosing technologies that will enable the application to scale and ensure the security of transmitted information. Additionally, the article discusses conducting use case analysis and performance testing, which are crucial for understanding system efficiency. In the final part of the article, the author encourages readers to develop their system design skills, an essential aspect of technical interviews and future projects.