Dongyan Xu

A software engineer in the domain of e-commerce, middleware development, responsible for architecture design, performance tuning, stability security, and DevOps efficiency.

I love the history of China in the pre-qin period， the political history of ancient Greece and Rome, and the science history science Copernicus.

I expect those short 15-second video streams never show up in my timeline, inadvertently consuming too much time by it.