I build software that takes the busywork off people’s plates.
I’m Tai, a software engineer turned founder. I led engineering teams at Hitachi Digital Services and Axon Active, and now build products, from AI operations for hospitality to marketplaces and tools for small businesses.
Selected work
All projects →Santara
AI-powered platform that turns booking data from Airbnb, Booking.com and WhatsApp into a daily operational briefing for short-term rental hosts.
- Applied AI
- Product
- Backend
Chợ Gem
Vietnamese marketplace and data platform for trading game accounts and gaming services, with market price tracking, top-ups and free tools for gamers.
- Marketplace
- Gaming
- Vietnam
HiTaVa
Ready-made Google Sheets and Excel templates with built-in formulas for small businesses, covering payroll, invoicing, rentals, students, leads and projects.
- SaaS
- Templates
- SMB
Gara
A self-extending AI agent. When no skill fits a request, it researches the problem, writes and sandbox-tests a new skill, then installs it for next time.
- AI Agents
- Self-improving
- TypeScript
Connex AGI
A three-tier agentic planning system that turns a vague goal into a structured, executable program, a “compiler for human intent”.
- AI Agents
- Planning
- Python
AI Code Reviewer
A CLI that reviews GitHub, GitLab or Bitbucket pull requests by running the code (imports, tests, edge cases) in a sandbox, then posts inline comments.
- Developer Tools
- AI Agents
- Python
Experience
Full timeline →Co-Founder
Santara AINow
Software Engineer · Team Leader
Hitachi Digital Services
Software Engineer
Axon Active
Product Owner
Taskeeper
Recent writing
All writing →Strangers Trading With Strangers: What Chợ Gem Taught Me About Trust
Buying a game account from a stranger online is risky. Building a marketplace for it taught me that trust isn't a feature, it's the whole product.

Integrating Airbnb, Booking.com and WhatsApp: Lessons From Messy APIs
Integrations look simple on a whiteboard and fail in a hundred small ways in production. Practical lessons on syncing, retries, idempotency and matching data.

Choosing a Co-Founder: What I Checked Before Saying Yes
I've co-founded one company with a former colleague and another with my girlfriend. What I looked for, what we put in writing, and how we split the work.

A 10-Unit Host's Morning, Before and After Automation
One host, ten apartments, two platforms and a WhatsApp full of guests: what a morning looks like before automation, after it, and what stays human.

Automate Your Guest Messages Without Sounding Like a Robot
Which guest messages to automate, which never to automate, and copy-ready templates that still sound like a real host wrote them.
