@speed-engineer

The Counterintuitive Truth About Building Two Products at Once

21h ago · 2 min read · Every founder blog post tells you to focus. Do one thing well. Say no to everything else. I ignored that advice — and it nearly broke me before it made me better. I run two SaaS products as a solo founder: FillTheTimesheet for freelancers and agencie...

I Rebuilt the Same ChatGPT Prompt 4 Times Before I Realized We Had a Systems Problem

Apr 7 · 3 min read · I Rebuilt the Same ChatGPT Prompt 4 Times Before I Realized We Had a Systems Problem It started as an embarrassing Slack message. "Hey, does anyone have that prompt we used for summarizing user interviews? I swear we wrote a really good one last mont...

I Fired My Entire Node.js Stack — Rust Rebuilt It in 3 Weeks (The Ugly Truth)

Apr 3 · 11 min read · Our API was drowning under 50ms P99 latencies. I rewrote everything in Rust expecting miracles. Got 8ms response times and three months of… I Fired My Entire Node.js Stack — Rust Rebuilt It in 3 Wee

Why Specialized Languages Win Over Generalists (SQL Still Dominates 40+ Years Later)

Apr 2 · 10 min read · SQL launched in 1974 and still powers 90% of data operations. ORMs, NoSQL, and query builders all tried to replace it — and failed. Here’s… Why Specialized Languages Win Over Generalists (SQL Still

Networking for Developers: DNS Explained (Why Your Site Takes 2 Seconds to Start)

Apr 1 · 10 min read · You shipped fast code. Your users still wait. The culprit isn’t your server — it’s the lookup that happens before the first packet flies. Networking for Developers: DNS Explained (Why Your Site Take