Hi, I'm Joe.

I go by @mergesort

And I share lessons about engineering, product development, design, marketing, AI, and anything you need to build a modern business.

Will working on computer

Latest Posts

Featured Projects

iOS/macOS

Boutique

A magical persistence library (and so much more) to help you build state-driven iOS and Mac apps in three lines of code.

AI

Promptly

Learn to prompt like a pro by practicing with real scenarios, and get expert AI feedback to level up your AI skills.