MIKE GUOYNES

Level up.Land the job.Get promoted.Skip the noise.

Frontend lead writing for mid/senior frontend devs who want to ship better systems, interview with confidence, and stop plateauing.

My mission

Empower 1,000 engineers to get promoted or land their dream job.

Mike Guoynes

Mike Guoynes — Frontend lead, ex-LaunchDarkly

Featured this month
Course· Module I open now

Stop overthinking UI state.

For engineers who want to avoid useEffect antipatterns and learn the way to cleanly organize production-grade state without over-thinking it.

  • 10+ modules · mental models and applied lessons
  • Virtualization, React 19 features, Next.js
  • Design & build a social news feed from the ground up
Preview Module I for free →$100 early-bird · one-time fee
What you'll actually learn

System design
for frontend

Build resilient
component libraries

Master the browser
& performance

Career moves that
actually matter

Ready to rock and roll? 🤘

Start course →