Blog

Notes on software architecture, system migrations and building products, drawn from projects I have worked on.

• November 4, 2026 · 7 min read

  Inside HaiO: From a Real-Time Booking Platform to an AI Agent for Event Businesses

  How HaiO's real-time platform works, how I added HaiO Agent on top of it in 2026 without letting the AI touch data on its own, and where the product is heading.

  AI AgentArchitectureReal-timeNode.jsClaudeGemini
• November 2, 2026 · 5 min read

  Migrating a Live Travel System from PHP to Angular, One Step at a Time

  How I moved Tirta Jaya VIP's entire operation off a legacy PHP monolith in five months, without stopping a business that handles hundreds of transactions a day.

  ArchitectureMigrationAngularPostgreSQLGCP
• November 2, 2026 · 4 min read

  How This Portfolio Is Built: Next.js 16, Browser-Language Detection and a Demo Lab

  The site you are reading is a small project of its own. Here is how it picks your language, keeps its service worker honest, and why projects lead with case studies.

  Next.jsReacti18nPWAVercel