Product design, UX, strategy, and side project thinking.
4 postsIn 2022, Meesho voluntarily dropped to 0% seller commission—at a time when they had tens of millions of monthly orders—then used that scale advantage to become India's #1 e-commerce platform by order volume, ahead of Flipkart and Amazon.
A pnpm monorepo integrating four tool SPAs: a to-do list, a habit tracker, an ebook reader, and a resignation stamp collector. apps/root is the sole build entry point; the four modules are library-only workspace packages bundled together by root's Vite, sharing @a920604a/auth and @a920604a/ui, deployed across Firebase + Cloudflare dual cloud.
A real-time-voice-first AI English tutoring system: students converse with the AI teacher Emma via microphone (optionally with video/screen sharing), the system corrects mistakes in real time, and generates a post-class report in Chinese. The technical core is LiveKit (Self-hosted WebRTC) + Google Gemini 2.5 Flash Native Audio, with a FastAPI backend handling auth, courses, and data persistence.
A pure-TypeScript tag scoring engine computes real-time risk across 140 foods for four conditions — gout, high cholesterol, diabetes, and hypertension. The entire backend runs on Cloudflare's free tier, for a monthly cost of $0.