Josh Karasik

Los Angeles

Building software that makes hard things feel effortless.

Software engineer and founder.Pianist

Illustrated sticker of Josh on a Los Angeles rooftop at night
Iced latte sticker
Mount Fuji sticker
Piano keys sticker
Malibu lifeguard tower sticker
Laptop with code sticker
Silver Porsche 911 Turbo S sticker, tap to drive
  • PennyMac
  • Tightcut
  • RoviSys
  • International Medical Devices Inc.
  • ShalomLA

I love to take things from Zero to One fast.

Idea to iPhone app

Built Tightcut, an AI video editor, to get my own editing hour back.

0 to 550+ people

ShalomLA's very first event drew 550+. Every event since has sold out.

0 to 30,000+ users

Led an AI app for surgery patients, now used in 60+ countries.

0 to 59K+ followers

Started posting about tech and AI. First brand deal in 30 days.

A little more about me.

Based in LA. I've played piano since I was four, I'm always hunting for a new coffee spot, and I travel whenever I can.

Josh at a grand piano
Josh with an iced coffee at a farmers market in New York
Josh in Hakone, Japan, with Mount Fuji behind him

Let's build something.