Numpao Bot
A Telegram AI bot built for group conversations—joining discussions, answering questions across topics, and adding a little fun.
Software Engineer
Hi, I'm Kongsun.
Over six years of software engineering experience, with a focus on backend systems, AI-augmented development, and product design.
Open to select work
Melbourne / Remote
Recent posts
Notes on engineering, AI, and building products in public.
Reviving a Legacy Portfolio Website with Next.js and Vercel
How I rebuilt Richard Mabbitt’s missing WordPress portfolio from archived pages and moved it to a simpler, modern deployment.
Building My Personal AI Homelab
How I turned an old laptop into a self-hosted AI workshop for assistants, specialized bots, research, automation, and learning.
Why I Built Numpao Bot for Our Telegram Group
A personal experiment in building a Khmer-friendly Telegram AI bot, tuning its personality, adding web search, and learning Go along the way.
Debugging the Dish Pit: Systems Thinking as a Kitchen Porter
How washing dishes taught me more about software architecture than I ever expected.
Shipping at Inference Speed: Building KhmerJob.tech
How I used AI and the GitHub Student Developer Pack to build and deploy a full-stack job platform from scratch.
Selected projects
Useful experiments, local ideas, and products I wanted to exist.
Khmerjob.tech
A simplified job-listing platform. The complete full-stack product was intentionally reduced to a focused front end while validating demand and keeping operating costs low.
Khmer Keyboard
A renovated Khmer keyboard for iOS, designed for personal use with a simpler, easier, and more approachable typing experience.
Kaksekam
A Medusa-based agricultural marketplace where buyers and sellers can publish products and connect in one place, built for a future Cambodia launch.