Technology

Meta Tech Podcast

by Meta

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Latest episodes

No Way Out - Engineering Message History Only You Can Read

October 15, 2026 · 38 min

How do you add end-to-end encryption to a messenger that people have already been using for years, without taking away the message history they expect to be there? Emma Connor works on the team behind Labyrinth, Messenger's encrypted…
BONUS: Send Us Your Questions About Engineering at Meta

July 29, 2026 · 2 min

Pascal is going on Recharge for August so there will be no regular interview episode. However, we want to hear your questions for our mailbag episode. Send them to us on Instagram (https://www.instagram.com/metatechpod) or Threads…
Everything is Power: Battery Life Engineering for AI Glasses

July 13, 2026 · 41 min

What changes for you as a developer when the device moves from your pocket to your face? The battery shrinks by an order of magnitude, the thermal budget is whatever won't make your nose uncomfortable, and your mental model of "one…
A Hard Cell: Engineering Ultra-Narrow Batteries for AI Glasses

June 9, 2026 · 43 min

Your smart glasses run all day on a battery narrower than your pinky finger and building it required reinventing how batteries are made. In this episode, Pascal talks to Karthik and Myuran, the engineers behind Meta's steel can battery…
Reel Friends: Building Social Discovery that Scales to Billions

May 8, 2026 · 39 min

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 chats to Joseph and Subasree about…

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Trust But Canary: Configuration Safety at Scale

April 2, 2026 · 37 min

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 seconds and discuss why speed increases the…
Patch Me If You Can: AI Codemods for Secure-by-Default Android Apps

February 27, 2026 · 48 min

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 changes are security-related. In today's…
CSS at Scale with StyleX

January 8, 2026 · 44 min

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 code base every day. StyleX is Meta's…
From Zero to Polish: Building Meta Ray-Ban Display

December 12, 2025 · 48 min

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 Display Glasses and Neural Wristband, the…
Lowering emissions with the Open Compute Project

November 14, 2025 · 38 min

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 Compute Project (OCP) Summit. We dive…
Building Android apps in Meta's monorepository with Buck2

October 10, 2025 · 37 min

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 from Meta's Android Developer Experience…
Generating 3D Worlds with AI

September 19, 2025 · 36 min

Creating 3D assets can be daunting, but does it have to be? Mahima and Rakesh are on a quest to democratize 3D content creation with AssetGen, a foundation model for 3D. They discuss the challenges of training such a model given the…

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About the show

Brought to you by Meta. In addition to remaining active in the open source community and conference circuit, this podcast offers another channel that allows us to highlight the technical work of our engineers who will discuss everything from low-level frameworks to end-user features. Throughout the podcast, Meta engineer Pascal Hartig (@passy) will interview developers in the company.