# ARCHIVE: What it's like to write code at Meta

Page: https://stenobird.com/podcast/meta-tech-podcast-525691/archive-what-it-s-like-to-write-code-at-meta
Text version: https://stenobird.com/podcast/meta-tech-podcast-525691/archive-what-it-s-like-to-write-code-at-meta.md
Podcast: [Meta Tech Podcast](https://stenobird.com/podcast/meta-tech-podcast-525691)
Published: 2025-09-01T14:13:00+00:00
Episode link: https://insidefacebookmobile.libsyn.com/archive-what-its-like-to-write-code-at-meta
Audio file: https://traffic.libsyn.com/secure/insidefacebookmobile/mtp77-bonus.mp3?dest-id=697376
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JSON: https://stenobird.com/v1/public/podcasts/meta-tech-podcast-525691/episodes/archive-what-it-s-like-to-write-code-at-meta
Duration seconds: 2897

## Resource

To not leave you without an episode for August, Pascal brings you an episode from the Archive. Back in August 2023 for Episode 55, Pascal spoke with Katherine and returning guest Dustin, two software engineers at Meta about how to ship code at Meta. Why do we have a monorepo? Why and how do we do pre-commit code review? What does our CI infrastructure look like? Get the answers to these questions and many more in this episode of the Meta Tech Podcast. Got feedback? Send it to us on Threads (https://threads.net/@metatechpod), Instagram (https://instagram.com/metatechpod) and don't forget to follow our host Pascal (https://mastodon.social/@passy, https://threads.net/@passy_). Fancy working with us? Check out https://www.metacareers.com/. Links The evolution of Facebook's iOS app architecture - Engineering At Meta: https://engineering.fb.com/2023/02/06/ios/facebook-ios-app-architecture/ Episode 47: Source control at Meta - https://pca.st/episode/429e9f38-6537-43e3-b929-fbeeda326ed5 Timestamps Intro 0:06 Intro Katherine 1:55 Dustin's Origin Story 4:38 Topic Intro 6:28 Why Monorepo(s) 7:18 What Makes Monorepos Hard? 12:15 Why do we Have so Many Files? 17:31 Who Owns Stuff? 25:29 Life of a Diff 28:58 Writing Bots Writing Code Writing Bots 34:16 Finding Reviewers 38:46 Why Are Things Not Constantly on Fire? 41:43 Outro 47:47 Outtakes 48:46

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## Transcript

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