Senior Full-Stack Engineer
Bangkok
10+ years shipping production full-stack work — most recently leading cloud migration: moving ERP media to Cloudflare R2 and exposing ERP data to downstream apps via clean APIs. Currently running 30+ production apps on a combined $5/month using AI-first workflows.
Selected Work
Shipped work you can open and try right now — live products and client builds, designed end to end and running in production.
SaaS · Document Workflow
All-in-one document management and approval workflow platform built for Thai organizations. Streamline form creation, submission, multi-step approvals, real-time tracking, and reporting in one place. Easy to use, fast to deploy, and secure by design.
AI · Agent Services
AI agent workers that crawl education-district sites nationwide, then extract and curate teacher news with Gemini — the engine behind SORNKan, exposed as pay-per-use agent services.
AI · Micropayments
Pay-per-call USDC micropayments on Base for agent APIs via the x402 protocol — no accounts, no subscriptions. Machines pay machines, settled onchain.
SaaS · LINE Orders
LINE OA orders in, AI-parsed orders out — manage everything in a web inbox, export to CSV or Google Sheets on a paid plan. Real Stripe billing.
Client Work · Business Site
Professional demolition and civil construction services offering building demolition, wooden house dismantling, land filling, and backhoe rental. Their comprehensive 24/7 services ensure efficient and reliable solutions for all construction and demolition needs.
EdTech · Attendance SaaS
Online attendance system designed for teachers. Easy to use, fast, and free. Manage student attendance records efficiently with a simple interface that helps teachers track and monitor class attendance seamlessly.
Live & Playable
No slides, no mockups — these are running in production right now. Open one and click around.
AI Platform · Teacher News
Teacher-news AI: crawls education-district sites nationwide and summarizes with AI — news feed, job board, and study tools for teachers.
Web Game · EdTech
English vocabulary matching game for Grade 5 — hybrid SEO pages plus a Quasar SPA on Workers. One click and you are playing.
guides on integrating GenAI platforms like ChatGPT with Line OA using Botnoi as an intermediary, detailing API key setup and cautionary advice.
a guide to 24 online applications for teachers managing learning in the New Normal era, with options to read or download content, including additional resources like videos and podcasts.
a personal year-end review by Suansinphut Jairukchan, reflecting on various experiences such as Working on Facebook API, joining Google Ignite, and encountering the rap group RIVER RHYME.
