YounggunPark

Product Engineer · Web & Mobile · Seoul

I build products that make complex information easier to act on.

I build CC-Overlay, a macOS utility that combines Mac health with Codex and Claude Code headroom to help you decide whether to run, wait, or switch.

Selected work

CC-Overlay: Mac health, AI headroom, and the next action in one local-first macOS utility.

  • A macOS utility for deciding when to run, wait, or switch between Codex and Claude Code.

    Product design, native development & release · Independent · 2026
  • A browser-based vintage four-frame photobooth you can use from your seat.

    Product design, web development & release · Independent · 2026

Writing

Notes on frontend systems, AI tooling, and product decisions.