Unless I'm imagining it, it's in the first paragraph. "I joined Uber two years ago as a mobile software engineer with some backend experience. I ended up build

Unless I'm imagining it, it's in the first paragraph. "I joined Uber two years ago as a mobile software engineer with some backend experience. I ended up building the payments functionality in the app - and rewriting the app on the way". Following the "rewriting the app" link in that paragraph takes you to another page "Engineering the Architecture Behind Uber’s New Rider App" - although that's co-written by two people, neither of which are the author of this article it would seem.