3種，轉PM 沒前途, management 有望到cto

1。eng path: software engineer, senior software engineer, MTS, Senior MTS, Principle engineer, Distinguished Principle Engineer 

2. Architect path: se, sse, architect, senior architect, ....

3. Manager path: se, sse, manager, senior manager, director, senior director, VP of eng, senior vp, Cto