Subvolts take Meta discusses shifting from metrics to user well-being in app development. May 31, 2022 - Developers
- Learn how to build applications with a focus on user well-being, not just performance metrics.
- Business
- Understand how large tech companies are shifting their product development philosophy towards user-centricity.
This is a solid interview discussing Meta's engineering philosophy and user-centric development practices.
42: Building People-Centric Apps with Maria
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From Subvolts
Summary and analysis by Subvolts editorial, AI-assisted.
Meta Tech Podcast episode 42 features Pascal Harris interviewing Maria, a director of engineering, about building people-centric apps. They explore how a metrics-driven culture can shift to prioritize user well-being. The discussion covers aligning metrics with human goals and identifying when those metrics fall short in capturing user experience, particularly within the context of the Facebook app.
This podcast episode explores how Meta builds apps like Facebook. Instead of just focusing on numbers, they talk about making apps that are trustworthy and put people first. They discuss how to measure if an app is truly good for users, not just good for business.
This episode offers insight into Meta's engineering philosophy, moving beyond pure metrics to user experience. It's for engineers and product managers interested in ethical product development and cultural shifts within large tech companies. As frontier labs like Google Gemini and Anthropic increasingly focus on user safety and trust, understanding Meta's approach to building 'people-centric' applications provides valuable context for the broader AI industry's evolution.
- HostPascal Harris
- GuestMariadirector of engineering for product architecture and product excellence, Meta
- Episode Title: 42: Building People-Centric Apps with Maria
- Show: Meta Tech Podcast
- Length: 42 minutes
- App Principles: Trustworthy, people-centric, unified
Got feedback? Send it to us on Twitter (https://twitter.com/metatechpod), Instagram (https://instagram.com/metatechpod) and don't forget to follow our host @passy (https://twitter.com/passy). Fancy working with us? Check out https://www.metacareers.com/.
Links:
- Rachel Nabors on The Diff: https://thediffpodcast.com/docs/episode-12
- Meet the Developers: Mobile Edition (Pritesh Nandgaonkar): https://developers.facebook.com/blog/post/2022/05/23/meet-the-developers-pritesh-nandgaonkar/
- Meta Open Source on YouTube: https://www.youtube.com/c/FacebookOpenSource
- Meta Tech Podcast Episode 29: Design Systems with Sriram: https://pca.st/u8r4u6h6
- Meta Tech Podcast Episode 9: Android Bytecode Optimisation with Emma https://pca.st/J3cn
Timestamps:
- Intro 0:06
- The Diff: Episode 12 1:23
- Meet The Developer: Prish 1:38
- Meta Open Source on YouTube 2:01
- Intro 2:26
- Intro Maria 2:36
- Craft in FB App 5:15
- Metrics vs People? 6:40
- Unquantifiable Quality Goals 10:14
- Dropping Facial Recognition 11:38
- Dynamic Goals in a Dynamic World 13:21
- Driving Cultural Change 15:49
- Average vs Power Users 18:53
- Metrics for Quality 22:33
- Dev Tools' Role for Quality 29:12
- Supporting People at Meta 33:38
- Most Exciting Upcoming Change 39:25
- Outro 40:43
- Bloopers 42:00
- metrics
- Pascal Harris
- numbers or data used to measure performance or progress
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Questions people ask
- What are the core principles for building the Facebook app?
- The approach is based on three adjectives: trustworthy, people-centric, and unified.
- How does Meta balance metrics with user well-being?
- The episode discusses what it means for a metrics-driven culture to become more people-centric and explores examples of metrics aligned with people goals, as well as when they fail.
Page generated Oct 19, 2026. Summaries are Subvolts' own; the audio, artwork and notes belong to Meta.