Roberto Vitillo is the author of the Leanpub book The System Design Manual: Learn how to design, build, and operate large scale distributed systems. In this interview, Leanpub co-founder Len Epp talks with Roberto about his background and career, working on the ATLAS experiment, moving to London and working for companies like Mozilla and Microsoft, working on very large technical systems, his book, and at the end, they talk a little bit about his experience as a self-published author.This interview was recorded on August 26, 2020.The full audio for the interview is here: https://s3.amazonaws.com/leanpub_podcasts/FM163-Roberto-Vitillo-2020-08-26.mp3. You can subscribe to the Frontmatter podcast in iTunes here https://itunes.apple.com/ca/podcast/leanpub-podcast/id517117137 or add the podcast URL directly here: https://itunes.apple.com/ca/podcast/leanpub-podcast/id517117137.This interview has been edited for conciseness and clarity.