Kai Gao

Writing

Notes on systems, products, and what becomes worth building.

Published MDX posts, ordered by date, with category filters for browsing the subjects I keep coming back to.

Engineering19 May 20263 min read

Building a Static Personal Site with Next.js

Notes on rebuilding my personal website around writing, design tokens, and a static-first architecture.

#nextjs#tailwind#design-tokens#static-site
Engineering28 Apr 20262 min read

On BFF Boundaries and Reliable Checkout Systems

A few practical heuristics for keeping frontend integration layers understandable when payments and operational edge cases start to pile up.

#bff#payments#architecture#typescript
AI & Product18 Mar 20262 min read

Using AI to Shorten Product Feedback Loops

Early notes on where AI feels genuinely useful in software product work, especially when the goal is to reduce latency between an idea, a prototype, and a clear decision.

#ai#product#solo-business#workflows
Notes7 Feb 20261 min read

Notes on Keeping a Personal Site Alive

A short note on why a personal site stays useful when it is treated as a place to accumulate thinking rather than a monument to completeness.

#writing#career#notes