Engineering Notes

Thinking on AI systems, architecture, and the craft of building things that work.

Case Study

Why Does AI-Generated Outreach Sound Like a Bot — and How We Fixed It With a Sender Voice Profile (2026)

AI outreach reads like a bot for two fixable reasons: prompts that instruct sales-deck structure, and a system that knows the recipient but nothing about the sender. How we diagnosed it, why regex enforcement failed, and the sender-voice-profile architecture that made messages human again.

6 min read · 2026-05-27 Read →
Case Study

The 80-Line Agent Loop: Shipping a Buyer-Facing AI Assistant Against a Live B2B Catalogue

How we shipped an agentic AI inventory assistant over ~30,000 SKUs with 11 tools, prompt caching, and an 80-line tool-use loop — no LangChain, no agent framework.

6 min read · 2026-05-11 Read →
Case Study

From Synopsis to Cinematic Trailer: Building an AI Film Pipeline in 9 Days

A production platform that takes a film synopsis and generates a complete cinematic trailer — voiceover, original score, storyboard, animated video, and promo assets — built and deployed in 9 days using seven chained AI models.

6 min read · 2026-03-22 Read →
Case Study

How We Built a Medicare Document Pipeline for 4,400 Plans in 72 Hours

Speed without shortcuts. Here's how architectural judgment plus AI tooling compressed a 6-week project into 3 days.

4 min read · 2026-03-10 Read →
Case Study

Case Study: How an SME Saved $65k/Year With Custom Automation

35-person professional services firm automated 5 workflows. Investment: $18k. Results: 40h/week saved = $65k/year. 362% first-year ROI. 3.3-month payback.

8 min read · 2025-10-03 Read →