Hey, I'm Mark McDermott

TypeScript engineer building AI-assisted tools and shipping tested desktop & web apps.

I like to code and write.

Built a local-first desktop notes app with Playwright E2E tests and Electron auto-updates.

Built an Astro portfolio with custom C64 UI and automated Playwright smoke tests.

Bash CLI for instant file scaffolding and multi-line insertion. Daily driver for fast note and project setup.

Daily Tech

Playwright · Vitest · Astro · Electron · GitHub Actions · pnpm · Claude (structured prompting)