Blog

Things I've Learned

Technical deep dives, lessons from production, and things I figured out the hard way.

Mar 10, 2026 12 min read
Fine-Tuning a 3.8B Model for $0 to Fix Hymn Punctuation
How I built a data cleaning pipeline, generated synthetic training data, and fine-tuned Phi-3.5-mini with QLoRA on a free Colab GPU — all to make hymn lyrics accessible to screen readers.

Machine LearningAccessibilityPython
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Mar 8, 2026 7 min read
From MIDI Files to Interactive Sheet Music with ABCjs
How I built a pipeline to convert 1,000+ MIDI hymn files into ABC notation, fuzzy-match them to a database, and render interactive sheet music in the browser.

Node.jsABCjsData Pipeline
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Mar 5, 2026 7 min read
Building Real-Time Multiplayer with PartyKit WebSockets
How I built a multiplayer financial board game that syncs game state across players in real time — and what I learned about WebSocket architecture along the way.

PartyKitWebSocketsNext.js
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Feb 20, 2026 6 min read
Building an AI Chatbot for My Portfolio with Cloudflare Workers
How I added an AI-powered chatbot to my portfolio site using Cloudflare Workers, the Claude API, and a custom system prompt — plus analytics and session tracking.

Cloudflare WorkersClaude APITypeScript
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Feb 10, 2026 8 min read
Lessons from Multi-Tenant SaaS Architecture with NestJS
What I learned building CampHost.io — a multi-tenant campground management platform — about tenant isolation, shared databases, and scaling a NestJS backend.

NestJSPostgreSQLMulti-Tenant
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Jan 28, 2026 6 min read
Using Claude API for Intelligent Duplicate Detection
How I used the Claude API to deduplicate a hymnal database with thousands of entries — handling spelling variations, alternate titles, and fuzzy matching that traditional approaches couldn't solve.

Claude APINode.jsPostgreSQL
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