2026
LiveRetireCheck
US retirement planning calculator with Social Security, Monte Carlo projections, tax/RMD modeling, and a production Next.js + .NET architecture.
- Next.js
- ASP.NET
- TypeScript
- Monte Carlo
Weidong Shi · Senior Technology Architect
AI products that hold up in production.
Building production-ready AI applications through practical engineering, architecture, and AI-assisted development.
Featured work
Projects
Production applications and experiments in the AI product ecosystem.
2026
Coming soonSleep App
An AI-assisted sleep companion focused on practical routines, insights, and calm product design. Coming soon.
- AI
- Health
- Mobile
- Coming Soon
Writing
Recent articles
Case studies and notes from building production AI applications.
AI in Action: Building RetireCheck with Cursor
How practical engineering, domain architecture, and AI-assisted development shipped a production retirement calculator — from wizard UX to Monte Carlo projections.