About Sheng Yan | Contra Sheng Yan
Sheng Yan

Sheng Yan

AI Development Engineer — Agent-Directed Product Engineering

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Meet Sheng

Independent software builder in Xi'an, China. I design, build and operate complete products: SonicExtract (sonicextract.online), a live audio tool for DJs, and AI education products Lazy and Yozi. AI-native: I direct Codex and Claude with spec-driven development, handling code review, testing and deployment. Stack: Python, TypeScript, Go, React, Vue 3, Next.js, FastAPI, Tauri, Electron, SQLite.


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