Hampton Lintorn-Catlin
Maker.
Principal Engineer @ Square.
Inventor of Sass, Haml, Wikipedia Mobile, and more.
Husband of Malrase.
Principal Engineer @ Square.
Inventor of Sass, Haml, Wikipedia Mobile, and more.
Husband of Malrase.
Things I've Made
Sass The CSS preprocessor that changed how the world writes stylesheets. 
Haml A markup language that makes HTML beautiful, DRY, and indentation-based. 
Wikipedia Mobile One of the first mobile websites and among the first apps in both the App Store and Android Market. 
Wordset The world's first open-source, collaborative dictionary. 177k meanings and 63,936 manual edits by volunteers. 
Unquilt A relaxing color-flood puzzle game for iOS and Android. Over 2 million sessions played. 
HowFamous.Is A FaceMash-style game for ranking celebrity fame. Who's more famous? 
UUIDv7 High-performance UUID v7 implementations across Java, JS, Swift, Go, Ruby, and Rust. 
Veue Shutdown A low-latency, real-time interactive live streaming service. Twitch for everyone. Things I've Said
Maintainable Only add complexity when necessary — reframing technical debt as investment. Jul 2024 Rocket to the Cloud Sass, Haml, Wikimedia, and advice for starting out in open source. Jan 2021 
Ruby on Rails Podcast Haml sparks joy — the story behind the template language. Jan 2021 Startup Stories Making product developers really care about customer happiness. Jul 2019 The Allusionist On Wordset and the messy evolution of English in EU institutions. Sep 2015 The Versioning Show Sass, Haml, and inventiveness — being first, being vulnerable, and keeping it weird. 2016 CDNify Podcast On Sass, Haml, and the move to GeneHub for whole genome sequencing. Sep 2014 The Changelog Speedy Sass with libsass and open-sourcing our words with Wordset. 2014 ShopTalk Show On Sass, Haml, Wikipedia Mobile, and mobilizing the web. May 2013