Chief AI Expert at PIN AI, and a contributor to the MTEB ecosystem.
I build AI products from idea to real delivery: agentic apps, mobile AI workflows, backend orchestration, frontend product surfaces, and evaluation tooling.
- PIN AI - Chief AI Expert working on Personal AI, agentic product systems, and mobile-first AI experiences.
- MTEB / leaderboard - Contributor to embedding benchmark and leaderboard workflows.
- Personal site - Product notes, background, and contact.
- X / Twitter - AI product and engineering updates.
- PIN-AI/PINLOB - Efficient intent, mood, and edge-brain on-device model.
- PIN-AI/openclaw-pinai-connector - Connector work around agent workflows.
Most of my current PIN AI product work is private, but the public organization shows the direction: Personal AI, mobile AI, agent workflows, and on-device intelligence.
Public PRs under this GitHub account:
- leaderboard-frontend #28 - Merged fix for canonical benchmark alias routes.
- mteb #4853 - Leaderboard benchmark query guard.
- mteb #4854 - Empty task-info behavior fix.
- mteb #4855 - Lazy benchmark plot loading for leaderboard performance.
- Personal AI products and agent workflows
- Mobile-first AI experiences on iOS and local runtimes
- LLM infrastructure, orchestration, and evaluation loops
- Full-stack product delivery with React, TypeScript, Python, and Swift
Agent Harness - AI Agents - LLM Infra - Evaluation - TypeScript - React - Python - FastAPI - Swift - iOS - PostgreSQL - Full-stack Product Engineering
- Website: smileflow.cn
- X / Twitter: @Yeshujing
- Email: smiletoye@gmail.com