This article tells about some of the author’s insights after taking on a simple matchmaker applet outsourcing project. Although the project is simple, it took the author a lot of time, mainly on the development of the back-end management interface and front-end pages. At the same time, the author also reflects on the reality of independent development and emphasizes that independent developers need to focus on solving user pain points instead of just pursuing technical difficulty. In addition, the importance of cold start and promotion was also mentioned, as well as some insights on technology selection....