Kuan Yu

Resume

Solo founder in Singapore building trustworthy AI tools for professional work. A decade of building across AI, e-commerce, and trading — including the failures, dated and documented.

Experience

2025 —

Founder, WorkflowLab — Verified Knowledge Agents

active

2025 — Present

Trustworthy AI tools for professional work: cite-or-abstain AI systems that use a team’s real files and rules, show their evidence, and keep a human in control.

  • · First paid Verified Knowledge Agent engagement closed June 2026
  • · Shipped AI automation used inside a Big 4 tax practice
  • · Workflow Lab: one-day engagements that turn one repeated workflow into a reviewable AI work product
2024

Founder, TaxTag AI (aitax.sg)

2024 — 2025

AI tax platform for Singapore. Eleven months of building, zero paying customers — the most expensive lesson on this site: build with customers, not for them.

  • · Shipped MVP with automated transaction classification
  • · Ran extensive market research and customer interviews — after building, which was the mistake
2020

Co-Founder & Operations Director, E-commerce venture

2020 — 2022

Built and scaled a multi-platform e-commerce operation during COVID; profitable exit.

  • · Scaled from 0 to 100+ daily orders; power seller on Shopee, Lazada, and Qoo10
  • · Managed $2M+ in product sourcing from China
2018

Founder & Developer, Crypto trading & software

2018 — 2019

Built arbitrage tooling and automated trading systems; made a lot, lost most of it — documented honestly in ventures.

  • · Managed $2M+ in assets at peak
  • · Built proprietary arbitrage calculation and execution tools
2014

Co-Founder, Feel at Home Hostel

2014 — 2015

First business, at age 21. Hospitality operations end to end.

Toolset

TypeScript · Bun · React / Astro · Python · Claude Code & AI agents · Cloudflare · PostgreSQL · Web scraping & automation

The full trail — every venture with outcomes — is in ventures. Working notes and essays are in the journal. What I'm doing right now is at /now.