Meta Engineering Blog & Tech Articles
Technology company building advanced digital platforms, AI, and open-source technologies for social connections and metaverse experiences
1058 engineering articles, tutorials, and technical insights from Meta's engineering team
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The article discusses the open-sourcing of RCCLX, an enhanced version of RCCL designed for improved GPU communications on AMD platforms.
Sudharssun Subramanian
6 min read
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Meta presents a novel approach to enabling cross-device passkey authentication for XR devices and other devices with inaccessible displays.
Paul Wright
7 min read
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WhatsApp has deployed a Rust-based media consistency library called 'Kaleidoscope' to billions of devices globally, replacing 160,000 lines of C++ with 90,000 lines of Rust to harden defenses again...
7 min read
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Meta describes their User True Interest Survey (UTIS) model for Facebook Reels, which moves beyond traditional engagement metrics like likes and watch time to directly leverage user feedback via in...
Senthil Rajagopalan
7 min read
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This article introduces StyleX, Meta's open-sourced CSS-in-JS solution designed for styling at scale.
Pascal Hartig
2 min read
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The 2025 Typed Python Survey provides insights into the adoption of Python's type system, highlighting code quality and flexibility as primary motivations for its use.
DrP is Meta's root cause analysis platform designed to automate incident investigations, reducing mean time to resolve (MTTR) by 20-80%.
Shubham Somani
7 min read
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The article provides an in-depth look at the development of the Meta Ray-Ban Display, highlighting the innovative technology and design challenges faced by the team.
Pascal Hartig
2 min read
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The article discusses how AI is facilitating the adoption of secure-by-default mobile frameworks at Meta, emphasizing the importance of security in mobile app development while maintaining develope...
Tanu Jain
12 min read
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The article introduces Zoomer, Meta's automated debugging and optimization platform designed to enhance AI performance across its extensive infrastructure.
The article discusses the introduction of key transparency verification for end-to-end encrypted chats on Messenger, enhancing user security by allowing verification of public keys.
Dillon George
5 min read
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The article discusses the release of Ax 1. 0, an open-source platform designed to enhance adaptive experimentation using machine learning.
Miles Olson
8 min read
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The article discusses the integration of Dolby Vision and ambient viewing environment (amve) into the Instagram iOS app to enhance HDR video playback.
Chris Ellsworth
11 min read
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The article announces the completion of the 2Africa subsea cable system, the world's longest open access subsea cable, designed to enhance connectivity across Africa and beyond.
Gaya Nagarajan
6 min read
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The article discusses the positive environmental impact of open-source software and hardware, highlighting insights from the Meta Tech Podcast featuring Pascal Hartig, Dharmesh, and Lisa.
Pascal Hartig
2 min read
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StyleX is Meta's innovative styling library designed for large-scale applications, merging the benefits of CSS-in-JS with the efficiency of static CSS.
Meta's Generative Ads Recommendation Model (GEM) is a cutting-edge foundation model designed to enhance ad performance and advertiser ROI by improving the relevance of ad recommendations.
Huayu Li
12 min read
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The article discusses Meta's implementation of invisible watermarking technology for video content, focusing on its applications for content provenance, AI detection, and source identification.
Wes Castro
10 min read
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The article discusses how Meta is scaling its Privacy Aware Infrastructure (PAI) to address privacy challenges in the era of Generative AI (GenAI) product innovation.
Rituraj Kirti
11 min read
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The article discusses Meta's Disaggregated Scheduled Fabric (DSF), a next-generation network fabric technology designed to enhance AI training networks by overcoming the limitations of traditional ...
Ron He
15 min read
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The article discusses advancements in scaling Large Language Model (LLM) inference through innovative parallelism techniques, specifically tensor parallelism, context parallelism, and expert parall...
Cen Zhao
6 min read
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The article discusses Meta's efforts to scale its Backbone network to meet the growing demands of AI workloads.
Mark McKillop
11 min read
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The article discusses the implementation of branching workflows in Meta's Sapling monorepo, focusing on the challenges of scalability and developer experience.
Meta is leveraging AI to enhance the accuracy of Scope 3 emission estimates for IT hardware as part of its commitment to achieving net zero emissions by 2030.
Lisa Rivalin
12 min read
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The article discusses Meta's Design for Sustainability principles aimed at reducing IT hardware emissions through innovative design strategies.
Sanjay Gupta
13 min read
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The article discusses the advancements presented at the Open Compute Project (OCP) Summit 2025, focusing on the evolution of networking hardware for AI applications.
Jasmeet Bagga
8 min read
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The article announces the establishment of the React Foundation, which will oversee the governance and development of React and React Native, ensuring a vendor-neutral environment for the community.
OpenZL is a new open-source, format-aware compression framework designed for lossless compression of structured data.
14 min read
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The article introduces Candle, a new submarine cable system aimed at enhancing connectivity across East and Southeast Asia, while also providing updates on existing subsea cable projects in the Asi...
3 min read
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The article discusses how Meta has utilized Android's Baseline Profiles to enhance the performance of its applications, achieving up to a 40% improvement in critical performance metrics.
The article discusses how Meta is utilizing Large Language Models (LLMs) to enhance mutation testing and compliance in software development.
The article discusses Meta's evolution in infrastructure over 21 years, highlighting the significant changes brought about by AI.
Yee Jiun Song
20 min read
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The article discusses AssetGen, a new foundation model developed by Meta for generating 3D virtual worlds using AI.
Pascal Hartig
2 min read
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The article discusses the critical role of networking in supporting AI infrastructure, highlighting insights from the @Scale: Networking 2025 event where industry leaders shared advancements in AI ...
Omar Baldonado
5 min read
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The article discusses the release of a white paper by Meta, Vodafone, and Google on the AV1 video codec, highlighting its advantages for mobile video streaming.
3 min read
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Meta has introduced a diversity-aware notification ranking framework for Instagram that leverages machine learning (ML) to enhance notification quality and user engagement.
Xian Sun
6 min read
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The article discusses the integration of Kotlin's incremental compiler into Buck2, Meta's build system, highlighting the improvements in build times and developer productivity.
The article discusses the evolution of Meta's data warehouse to enhance productivity and security through AI agents.
Can Lin
12 min read
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The article discusses Meta's Federation Platform and Privacy Waves, which are systems designed to manage compliance-related tasks efficiently at scale.
Shaurya Sengar
11 min read
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The article discusses the Diff Risk Score (DRS), an AI-driven technology developed at Meta that predicts the likelihood of code changes causing production incidents.
6 min read
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The article discusses the development of a human-computer interface that utilizes surface electromyography (sEMG) for device control through subtle hand movements.
Pascal Hartig
2 min read
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The article discusses ExecuTorch, Meta's PyTorch inference framework for edge devices, which enhances on-device machine learning (ML) across its family of apps.
PyTorch Edge Team in collaboration with Family of Apps
5 min read
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The article discusses Meta's implementation of Policy Zones within its Privacy Aware Infrastructure (PAI) to enforce purpose limitations on data in large-scale batch processing systems.
The article discusses how Meta ensures the reliability of its AI hardware by addressing hardware faults, particularly silent data corruptions (SDCs), which can significantly impact AI training and ...
Harish Dattatraya Dixit
15 min read
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Meta has developed an open-source AI tool to create lower-carbon, faster-curing concrete mixes, aiming to enhance sustainability in construction while accelerating the building process.
Julius Kusuma
10 min read
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Meta is transitioning from C to Rust for its core messaging libraries, aiming to modernize legacy code across platforms like Messenger, Facebook, and Instagram.
Pascal Hartig
2 min read
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Meta has officially joined the Kotlin Foundation as a gold member, reinforcing its commitment to Kotlin and the Android development ecosystem.
Meta is extending the Malbec subsea cable to Porto Alegre, Brazil, by 2027 in partnership with V. tal.
4 min read
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The article discusses Instagram's journey to scale its recommendation system to over 1000 machine learning models while maintaining quality and reliability.
Luke Levis
19 min read
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Meta's article discusses the full-stack optimizations of the HipHop Virtual Machine (HHVM) to enhance the performance of generative AI (GenAI) applications.