# 四多 (SIDO)

> Software engineer based in Shanghai, working to become a product engineer for
> the AI era. 10+ years building complex systems across internet e-commerce,
> retail supply chain, and cultural-tourism ticketing; now working on cross-border
> commerce and applied AI. Believes in AI, long-termism, and making complicated
> things simple.

Doesn't reinvent wheels — leans on what already works and saves energy for what
matters. Uses AI heavily, but keeps direction and final judgment in his own hands.

## Topics

- Applied AI in real products and workflows
- Architecture of complex commerce & supply-chain systems
- Building things end to end, on the way to product engineering for the AI era
- Notes on technology and life

## Links

- Blog: https://aweif.com
- Weekly (拾光周刊 / Glean Weekly): https://weekly.aweif.com
- GitHub: https://github.com/sido2038
- Twitter/X: https://x.com/sido2038
- YouTube: https://www.youtube.com/@sido2038labs
- RSS: https://aweif.com/feed.xml