
85: Reel Friends: Building Social Discovery that Scales to Billions
You've probably spotted those little circles of your friends' faces popping up on Facebook Reels. They look simple enough, but building them was a proper engineering challenge. In this episode, Pascal...
8 Maj 38min

84: Trust But Canary: Configuration Safety at Scale
Have you ever wondered how Meta makes config rollouts safe at scale? In this episode, Pascal sits down with Ishwari and Joe to discuss Meta's approach for propagating changes across services in second...
2 Apr 37min

83: Patch Me If You Can: AI Codemods for Secure-by-Default Android Apps
At Meta, even seemingly simple engineering tasks—like updating an API—become monumental undertakings when you're dealing with millions of lines of code and thousands of engineers, especially if the ch...
27 Feb 47min

82: CSS at Scale with StyleX
It's not just Not Invented Here Syndrome. Some technologies like CSS simply don't scale if you're building some of the largest websites on the planet with thousands of engineers committing to the same...
8 Jan 44min

81: From Zero to Polish: Building Meta Ray-Ban Display
You've likely heard of Meta Ray-Ban Display by now — but what's it actually like to work on it? In this episode, Pascal talks to Kenan and Emanuel about the exciting features of Meta's First-Gen Displ...
12 Dec 202547min

80: Lowering emissions with the Open Compute Project
In this episode, Pascal talks to Dharmesh J. (DJ) and Lisa about the vision for the open, scalable future of networking hardware for AI and to break down Meta's big announcements from the 2025 Open Co...
14 Nov 202538min

79: Building Android apps in Meta's monorepository with Buck2
How do you keep Android build times under control when your codebase spans tens of thousands of modules and millions of lines of Kotlin? In this episode, Pascal talks with Iveta, Navid, and Joshua fro...
10 Okt 202537min




















