Engineering-Blogs

• We are open-sourcing the initial version of RCCLX - an enhanced version of RCCL that we developed and tested on Meta’s internal workloads. • RCCLX is fully integrated with Torchc

• *This post was updated at 12:35 pm PT to fix a typo in the build time benchmarks. • Last week, one engineer and an AI model rebuilt the most popular front-end framework from scra

• Authors: Junkai Xue | Sr Staff Software Engineer, Big Data Processing Platform; Zheyu Zha | Staff Software Engineer, Big Data Processing Platform; Jia Zhan | Principal Engineer,

• How we used agentic AI to crack automated SOX testing at scale… in 90 days Written by Martin Preedy, with heartfelt thanks to Chan Park, Drew DiBiase, Jenna Wei, and Andrew Mey

• During Security Week 2025, we launched the industryâs first cloud-native post-quantum Secure Web Gateway (SWG) and Zero Trust solution, a major step towards securing enterprise n

• Data activation: what it is & how to do it Time to read: Data activation: what it is & how to do it Most businesses are drowning in data they never actually use. • They’ve invest

• Direct Customer to ISV Rearchitecture Guide Time to read: One of the first decisions every customer makes when they’re getting started with Twilio is whether to register as a dir

• Sunsetting Twilio Segment’s Legacy Analytics Libraries Time to read: Facebook logo Twitter LogoFollow us on Twitter LinkedIn logo Sunsetting Twilio Segment’s Legacy Analytics Lib

• The Art of the Attendance: Why MWC is the Ultimate B2B Spectacle Time to read: Facebook logo Twitter LogoFollow us on Twitter LinkedIn logo The Art of the Attendance: Why MWC is

• On February 20, 2026, at 17:48 UTC, Cloudflare experienced a service outage when a subset of customers who use Cloudflareâs Bring Your Own IP (BYOIP) service saw their routes to

• Model Context Protocol (MCP) has become the standard way for AI agents to use external tools. • But there is a tension at its core: agents need many tools to do useful work, yet

• How To Track User Events With Segment in Node.js Time to read: Facebook logo Twitter LogoFollow us on Twitter LinkedIn logo How To Track User Events With Segment in Node.js Under

• Our Multi-Agent Architecture for Smarter Advertising Introduction When we kicked this off, we weren’t trying to ship an ‘AI feature.’ We were trying to fix a structural problem i

• Database Federation: Decentralized and ACL-Compliant Hive™ Databases 19 February / GlobalIntroduction One of Uber’s data warehouses powering the Delivery business outgrew its ori

• How To Get Started With Twilio Segment Time to read: Facebook logo Twitter LogoFollow us on Twitter LinkedIn logo How to Get Started With Twilio Segment If you are running a busi

• How to Use the Agent-to-Human Communication (A2H) Protocol with OpenClaw Time to read: OpenClaw is one of the most ambitious autonomous agent projects today, a personal AI assist

• Introducing A2H: A Protocol for Agent-to-Human Communication Time to read: As AI agents become more capable and autonomous, they need a standardized way to loop humans into the c

• Felix Loesing | Software Engineer In 2025, we set out to drastically reduce out-of-memory errors (OOMs) and cut resource usage in our Spark applications by automatically identify

• Expedia Group Technology - Data Quickly identifying winning ranking models before committing to A/B tests Authors: Adam Woznica, Benjamin Stieger, and Stefania Ebli Photo by Il V

• What is RCS on iPhone? • How to enable & use it Time to read: What is RCS on iPhone? • How to enable & use it For years, texting between iPhones and Android phones meant falling

• The Algorithm That Saved Reddit 21% on BigQuery Slots Written by Michael Petro BigQuery serves as the central compute engine of Reddit’s data platform. • It powers ingestion, bat

• Yuanlu Bai | Machine Learning Engineer II, L1 Conversion and Shopping Modeling; Yao Cheng | Sr. • Machine Learning Engineer, L1 Conversion and Shopping Modeling; Xiao Yang | Sr.

• ecdysis | ËekdÉsÉs | noun the process of shedding the old skin (in reptiles) or casting off the outer cuticle (in insects and other arthropods). • How do you upgrade a network se

• What is data collection? • Methods, types & examples Time to read: What is data collection? • Methods, types & examples Rivers have been essential to human communities since the

• In just the past few years, large machine learning models have made incredible strides. • Today’s models are not only remarkably capable but also achieve impressive results acros

• Introduction Uber’s service-oriented architecture processes hundreds of millions of RPCs (remote procedure calls) per second across thousands of services. • Keeping this system r

• The way content and businesses are discovered online is changing rapidly. • In the past, traffic originated from traditional search engines, and SEO determined who got found firs

• How to bring your own telephony to Okta with Twilio Verify Time to read: Okta requires Bring Your Own Telephony (BYOT), enabling you to integrate any telephony service provider w

• Rich Messages, Richer Experiences: Monetizing Chatbots on RCS and WhatsApp Time to read: Implementing Paid Access in Rich Messaging Bots Using Twilio and Stripe Rich Messages, Ri

• WHAT IT IS The rise of agentic software development means code is being written, reviewed, and shipped faster than ever before across the entire industry. • It also means that te

• Insights from our executive roundtable on AI and engineering productivity Improving engineering productivity is crucial to the work we do at Dropbox. • The more quickly we can de

• How to Use Twilio’s Content Template Builder for Messaging Time to read: Facebook logo Twitter LogoFollow us on Twitter LinkedIn logo How to Use Twilio’s Content Template Builder

• Sending RCS Cards Using Python Time to read: Facebook logo Twitter LogoFollow us on Twitter LinkedIn logo Sending RCS Cards Using Python In this post, you’ll learn how to send Ri

• Play an Audio File in Voice Calls With PHP Time to read: Facebook logo Twitter LogoFollow us on Twitter LinkedIn logo Play an Audio File in Voice Calls With PHP Audio can make an

• iMessage: Everything you need to know in 2026 Time to read: RCS vs. • iMessage: Everything you need to know in 2026 For years, the messaging world has been split in two. • iPhone

• Written by Daniel Peters , Aleksandr Plentsov , and Anand Natu. • The Why One of Reddit’s core differentiators as a platform is the tremendous variety and depth of authentic huma

• We’re sharing details of the role backend aggregation (BAG) plays in building Meta’s gigawatt-scale AI clusters likePrometheus. • BAG allows us to seamlessly connect thousands of

• How We Release the Spotify App: A Look Under the Hood (Part 2) Introduction In Part 1 of ‘How We Release the Spotify App’, we gave an overview of how the Spotify release process

• Ways to easily integrate Zapier with Twilio Time to read: Facebook logo Twitter LogoFollow us on Twitter LinkedIn logo Ways to easily integrate Zapier with Twilio You might be wo

• Behind the builder: Dalia Molina, Sr. • Manager, Documentation Platform Time to read: Facebook logo Twitter LogoFollow us on Twitter LinkedIn logo Behind The Builder is an editor

• How to use AI on WhatsApp to improve your company’s customer service? • Time to read: Facebook logo Twitter LogoFollow us on Twitter LinkedIn logo Understanding how to use AI on

• Self-service in the age of AI: Virtual agents that actually resolve Time to read: Self-service in the age of AI: Virtual agents that actually resolve Today’s customers expect ins

• 88% of customer service agents cite burnout, with 30% of calls stemming from unresolved prior issues. • AI transforms agents into ‘super agents,’ automating routine tasks and fre

• Next Generation DB Ingestion at Pinterest Liang Mou | Staff Software Engineer, Logging Platform Yisheng Zhou | Software Engineer II, Logging Platform Elizabeth (Vi) Nguyen | Soft

• Introducing uFowarder: The Consumer Proxy for Kafka Async Queuing 5 February / GlobalIntroduction Uber has one of the largest deployments of Apache Kafka® in the world, processin

• Welcome to the 24th edition of Cloudflareâs Quarterly DDoS Threat Report. • In this report, Cloudforce One offers a comprehensive analysis of the evolving threat landscape of Dis

• Data hygiene: what it is, best practices & how to improve it Time to read: Data hygiene: what it is, best practices & how to improve it Data doesn’t stay clean on its own. • The

• We’re sharing a novel approach to enabling cross-device passkey authentication for devices with inaccessible displays (like XR devices). • Our approach bypasses the use of QR cod

• SMS: What’s the difference (and why it matters) Time to read: RCS vs. • SMS: What’s the difference (and why it matters) Text messaging has been around for over 30 years. • And fo

• Improve global upload performance with R2 Local Uploads 2026-02-03 Frank Chen Rahul Suresh Anni Wang Today, we are launchingLocal Uploadsfor R2 inopen beta. • WithLocal Uploadsen

• What is branded calling? • Time to read: What is Branded Calling? • Four billion-that’s the number of robocalls U.S. • consumers receive each month. • For context, that’s approxi

• Written by Stas Kravets TL;DR: The performance of GraphQL service is crucial in a distributed system since it is usually a common facade for the whole ecosystem. • In turn, Graph

• Beyond Two Towers: Re-architecting the Serving Stack for Next-Gen Ads Lightweight Ranking Models (Part 1) Authors: Xiao Yang | Senior Staff Machine Learning Engineer; Ang Xu | Pr

• How Yelp Built a Back-Testing Engine for Safer, Smarter Ad Budget Allocation - Samuele Mazzanti, Applied Scientist - Feb 2, 2026 Introduction Modern advertising platforms are fas

• What is data lineage (and why does it matter)? • Time to read: What is data lineage (and why does it matter)? • It flows from websites, apps, and payment systems into data wareho

• Silos create invisible walls, isolating teams and stalling cross‑department communication. • Misaligned goals lead to wasted resources, frustrated staff, and inconsistent custome

• What is data reliability (and do you need reliable data)? • Time to read: What is data reliability (and do you need reliable data)? • There’s a big difference between having data

• Earlier this week, the UKâs Competition and Markets Authority (CMA) opened its consultation on a package of proposed conduct requirements for Google. • The consultation invites c

• PT Today, weâre introducing a new Worker template for Vertical Microfrontends (VMFE). • This template allows you to map multiple independent Cloudflare Workers to a single domain

• Uber’s global data lake exceeds 350 PB, spanning on‑prem and cloud regions. • Limited bandwidth and multi‑region complexity make timely, reliable data replication a critical chal