[ Journal — 16 essays ]

Notes from
production.

Architecture decisions, trade offs and dead ends, written from systems that actually shipped, not from a whiteboard.

16 essays

Jul 15

2 min read

Building a LINE First Fitness Agent with AI Cost Gates

I built a fitness tracker on LINE for Thailand. My ex girlfriend and friends got hooked, then they told me the hard truth about building on a chat platform.

Jul 15

2 min read

A Polyglot Feedback Platform: Django, Next.js, and Elixir Working Together

I worked as a waiter and wanted a way to give restaurants honest feedback without public shaming. So I built KraowKao using three languages that each do what they do best.

Jul 15

2 min read

Building an AI Accountability Coach That Knows Your Habits

I wanted to fix my calendar. Instead I built an AI coach that learned my procrastination patterns better than I knew them.

Jul 15

2 min read

Building a Multi Platform AI Budget Coach

I was making more money but my savings were not going up. So I built DIA, a budgeting coach that lives inside Telegram, WhatsApp, and Discord.

Jul 15

2 min read

Building a Voice AI Receptionist for Restaurants

How I built Vozko, an AI voice receptionist that answers restaurant phones during the lunch rush. The integration nightmare, the moment it clicked, and where it is now.

Jul 15

2 min read

Building a Reusable Chat Infrastructure with DynamoDB Single Table Design

I built chat for one project, then another, then another. The third time I made it reusable. One DynamoDB table that powers real time messaging for any application.

Jul 15

2 min read

Designing a Three Reviewer Consensus Platform for Digital Harm Reporting

I built a consensus platform for the South African government where three independent reviewers evaluate digital harm reports. The hard part was keeping them isolated from each other.