# Joshua Comeau
Building since 2020. Not reviewed by Joshua.
Page: https://mrrmaker.com/@joshcomeau
Left a staff engineer job in 2020; courses launched 2021, 2023, 2025
In their words: "These days, I'm a solo indie hacker focused on empowering up-and-coming software developers." (joshwcomeau.com)

## Numbers
- Revenue: not shared, by choice
- Products: 6
- Building since: 2020

## Products
- Whimsical Animations (2025 →): running
- The Joy of React (2023 →): running
- CSS for JavaScript Developers (2021 →): running
- Tinkersynth: dates not stated in any source
- Beatmapper: dates not stated in any source

## Timeline
- Sep 2025: Launched Whimsical Animations [stated]
- 2024: On Talk at SmashingConf NY, 2024: The Secret Mechanisms of CSS [stated]
- Sep 2023: On Indie Hustle interview [stated]
- Sep 2023: The Joy of React: Announced the launch of the course [stated]
- Feb 2023: On This Month in React, Community Spotlight [stated]
- Jan 2023: Launched The Joy of React [stated]
- Sep 2021: CSS for JavaScript Developers: Full release of the course [stated]
- Aug 2021: On Failory interview [stated]
- Jun 2021: On The Entrepreneurial Coder Podcast, episode 46 [stated]
- Mar 2021: Launched CSS for JavaScript Developers [stated]
- 2020: Left a Staff Software Engineer job to focus on developer education full-time [stated]
- 2019: On Talk at React Rally, 2019 [stated]
- 2018: On Talk at React Europe, 2018 [stated]

## How sure
5 verified by someone other than Joshua, 42 stated by Joshua in public, 1 outdated. Read on 11 Oct 2026.

## Sources
- Josh W. Comeau, joshwcomeau.com: https://joshwcomeau.com
- Josh W. Comeau, joshwcomeau.com: https://www.joshwcomeau.com/about-josh/
- github.com: https://api.github.com/users/joshwcomeau
- github.com: https://api.github.com/users/joshwcomeau/repos
- Online Courses • Josh W. Comeau, joshwcomeau.com: https://www.joshwcomeau.com/courses
- CSS for JavaScript Developers | An online course that teaches the fundamentals of CSS for React/Vue devs, css-for-js.dev: https://css-for-js.dev
- The Joy of React, joyofreact.com: https://joyofreact.com
- Whimsical Animations, a new course from Josh W. Comeau, whimsy.joshwcomeau.com: https://whimsy.joshwcomeau.com
- Pre-Selling a Programming Course and Making $550k in Revenue, failory.com: https://www.failory.com/interview/css-for-js-developers
- This Solo Founder's Course Makes $550,000 In Revenue, indiehustle.beehiiv.com: https://indiehustle.beehiiv.com/p/this-programming-course-makes-550k-in-revenue
- The Entrepreneurial Coder Podcast | #46 - Josh Comeau - How to Have an Amazing Course Launch, ecpodcast.transistor.fm: https://ecpodcast.transistor.fm/episodes/46-josh-comeau-how-to-have-an-amazing-course-launch
- This Month in React | Community Spotlight – Joy of React, with Josh Comeau, tmir.transistor.fm: https://tmir.transistor.fm/episodes/community-spotlight-joy-of-react-with-josh-comeau
- Questions and answers about “The Joy of React” • Josh W. Comeau, joshwcomeau.com: https://www.joshwcomeau.com/email/jor-launch-004-faq-primary/
- “You’re doing it wrong!” • Josh W. Comeau, joshwcomeau.com: https://www.joshwcomeau.com/email/2023-09-14-doing-it-wrong-j
- The secret ingredient • Josh W. Comeau, joshwcomeau.com: https://www.joshwcomeau.com/email/2025-09-25-secret-ingredient/
- Building an Effective Dev Portfolio, joshwcomeau.com: https://www.joshwcomeau.com/effective-portfolio/
- Tinkersynth, tinkersynth.com: https://tinkersynth.com
- Site checks on 2026-10-11, MRRMaker: https://mrrmaker.com/how-it-works#checks

Labels: "verified" means confirmed by someone other than the founder; "stated" means the founder said it in public. Method: https://mrrmaker.com/how-it-works