Engineering-Blogs on Tenu Tech Brief

RCCLX: Innovating GPU communications on AMD platforms

Tue, 24 Feb 2026 21:30:54 +0000

• 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

How we rebuilt Next.js with AI in one week

Tue, 24 Feb 2026 20:00:00 +0000

• *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

Piqama: Pinterest Quota Management Ecosystem

Tue, 24 Feb 2026 17:01:04 +0000

• 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

Mon, 23 Feb 2026 17:20:01 +0000

• 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

Cloudflare One is the first SASE offering modern post-quantum encryption across the full platform

Mon, 23 Feb 2026 06:00:00 +0000

• 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

Mon, 23 Feb 2026 00:00:00 +0000

• 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

Mon, 23 Feb 2026 00:00:00 +0000

• 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

Mon, 23 Feb 2026 00:00:00 +0000

• 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

Mon, 23 Feb 2026 00:00:00 +0000

• 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

Cloudflare outage on February 20, 2026

Sat, 21 Feb 2026 00:00:00 +0000

• 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

Code Mode: give agents an entire API in 1,000 tokens

Fri, 20 Feb 2026 14:00:00 +0000

• 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

Fri, 20 Feb 2026 00:00:00 +0000

• 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

Thu, 19 Feb 2026 17:28:13 +0000

• 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

Thu, 19 Feb 2026 14:30:00 +0000

• 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

Thu, 19 Feb 2026 00:00:00 +0000

• 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

Thu, 19 Feb 2026 00:00:00 +0000

• 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

Thu, 19 Feb 2026 00:00:00 +0000

• 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

Drastically Reducing Out-of-Memory Errors in Apache Spark at Pinterest

Tue, 17 Feb 2026 17:01:01 +0000

• 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

Interleaving for Accelerated Testing

Tue, 17 Feb 2026 12:01:01 +0000

• 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

Tue, 17 Feb 2026 00:00:00 +0000

• 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

Mon, 16 Feb 2026 17:04:24 +0000

• 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

GPU-Serving Two-Tower Models for Lightweight Ads Engagement Prediction

Fri, 13 Feb 2026 23:44:45 +0000

• 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.

Shedding old code with ecdysis: graceful restarts for Rust services at Cloudflare

Fri, 13 Feb 2026 14:00:00 +0000

• 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

Fri, 13 Feb 2026 00:00:00 +0000

• 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

How low-bit inference enables efficient AI

Thu, 12 Feb 2026 18:00:00 +0000

• 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

Uber's Rate Limiting System

Thu, 12 Feb 2026 14:30:00 +0000

• 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

Introducing Markdown for Agents

Thu, 12 Feb 2026 14:03:00 +0000

• 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

Thu, 12 Feb 2026 00:00:00 +0000

• 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

Thu, 12 Feb 2026 00:00:00 +0000

• 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

The Death of Traditional Testing: Agentic Development Broke a 50-Year-Old Field, JiTTesting Can Revive It

Wed, 11 Feb 2026 17:00:05 +0000

• 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

Wed, 11 Feb 2026 17:00:00 +0000

• 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

Wed, 11 Feb 2026 00:00:00 +0000

• 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

Wed, 11 Feb 2026 00:00:00 +0000

• 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

Tue, 10 Feb 2026 00:00:00 +0000

• 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

RCS vs. iMessage: Everything you need to know in 2026

Tue, 10 Feb 2026 00:00:00 +0000

• 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

Contextual Relevance of Ads @ Reddit

Mon, 09 Feb 2026 21:57:11 +0000

• 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

Building Prometheus: How Backend Aggregation Enables Gigawatt-Scale AI Clusters

Mon, 09 Feb 2026 17:00:33 +0000

• 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)

Mon, 09 Feb 2026 14:44:27 +0000

• 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

Mon, 09 Feb 2026 00:00:00 +0000

• 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

Sun, 08 Feb 2026 00:00:00 +0000

• 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?

Fri, 06 Feb 2026 00:00:00 +0000

• 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

Fri, 06 Feb 2026 00:00:00 +0000

• 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

Unlocking super agents with the power of data & AI

Fri, 06 Feb 2026 00:00:00 +0000

• 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

Thu, 05 Feb 2026 17:01:04 +0000

• 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

Thu, 05 Feb 2026 14:30:00 +0000

• 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

2025 Q4 DDoS threat report: A record-setting 31.4 Tbps attack caps a year of massive DDoS assaults

Thu, 05 Feb 2026 14:00:00 +0000

• 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

Thu, 05 Feb 2026 00:00:00 +0000

• 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

No Display? No Problem: Cross-Device Passkey Authentication for XR Devices

Wed, 04 Feb 2026 22:00:07 +0000

• 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

RCS vs. SMS: What's the difference (and why it matters)

Wed, 04 Feb 2026 00:00:00 +0000

• 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

Tue, 03 Feb 2026 14:00:00 +0000

• 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?

Tue, 03 Feb 2026 00:00:00 +0000

• 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

Protecting Your GraphQL

Mon, 02 Feb 2026 19:12:41 +0000

• 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...

Mon, 02 Feb 2026 17:01:02 +0000

• 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

Mon, 02 Feb 2026 00:00:00 +0000

• 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)?

Mon, 02 Feb 2026 00:00:00 +0000

• 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

Organizational silos in business: pros, cons & fixes

Sun, 01 Feb 2026 00:00:00 +0000

• 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)?

Sun, 01 Feb 2026 00:00:00 +0000

• 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

Google's AI advantage: why crawler separation is the only path to a fair Internet

Fri, 30 Jan 2026 17:01:04 +0000

• 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

Building vertical microfrontends on Cloudflare's platform

Fri, 30 Jan 2026 14:00:00 +0000

• 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

How Uber Scaled Data Replication to Move Petabytes Every Day

Thu, 29 Jan 2026 14:30:00 +0000

• 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

Introducing Moltworker: a self-hosted personal AI agent, minus the minis

Thu, 29 Jan 2026 14:00:00 +0000

• Editorial note: As of January 30, 2026, Moltbot has been renamed to OpenClaw. • The Internet woke up this week to a flood of people buying Mac minis to run Moltbot (formerly Claw

Cursor at Grab: Adoption and impact

Thu, 29 Jan 2026 00:23:00 +0000

• Cursor launched late 2024, quickly adopted by 98% of Tech Grabbers as monthly active users. • 75% of users engage weekly, surpassing Google’s 70% adoption benchmark for high‑perf

Ads Candidate Generation using Behavioral Sequence Modeling

Wed, 28 Jan 2026 23:01:03 +0000

• Lakshmi Manoharan | Senior Machine Learning Engineer, Ads Vertical Modeling; Karthik Jayasurya | Staff Machine Learning Engineer, Ads Signals ; Ziwei Guo | Senior Machine Learnin

Engineering VP Josh Clemm on how we use knowledge graphs, MCP, and DSPy in Dash

Wed, 28 Jan 2026 18:00:00 +0000

• I was recently a guest speaker in Jason Liu’s online course on RAG offered by the education platform Maven. • I did some mini deep-dives into what we’ve been doing at Dropbox wit

From pixels to characters: The engineering behind GitHub Copilot CLI's animated ASCII banner

Wed, 28 Jan 2026 17:00:00 +0000

• Aaron Winston Aaron helps lead content strategy at GitHub with a focus on everything developers need to know to stay ahead of what’s next. • Also, he still likes the em dash desp

Identity resolution: what it is and how it works

Wed, 28 Jan 2026 00:00:00 +0000

• Identity resolution unifies customer data across apps, web, in‑store, support, and social channels. • It links disparate identifiers-email, device ID, cookies-into a single custo

Rust at Scale: An Added Layer of Security for WhatsApp

Tue, 27 Jan 2026 15:00:09 +0000

• WhatsApp has adopted and rolled out a new layer of security for users - built with Rust - as part of its effort to harden defenses against malware threats. • WhatsApp’s experienc

Building a serverless, post-quantum Matrix homeserver

Tue, 27 Jan 2026 14:00:00 +0000

• * This post was updated at 11:45 a.m. • Pacific time to clarify that the use case described here is a proof of concept and a personal project. • Some sections have been updated f

The Quant Crossroads: UX Research or Data Science

Tue, 27 Jan 2026 12:03:00 +0000

• Quant UX Research is rapidly expanding, evidenced by 2000+ registrations at its first conference. • The first Quant UX role was hired by Google in 2006, predating the ‘data scien

From Fragile to Agile Part II: The Sequence-based Dynamic Test Quarantine System

Mon, 26 Jan 2026 20:47:26 +0000

• Reddit’s Flaky Test Quarantine Service (FTQS) evolved from static config to dynamic, sequence-based quarantine. • Static configuration caused bottlenecks as test suite grew, lead

Cable cuts, storms, and DNS: a look at Internet disruptions in Q4 2025

Mon, 26 Jan 2026 14:00:00 +0000

• In 2025, we observed over 180 Internet disruptions spurred by a variety of causes â some were brief and partial, while others were complete outages lasting for days. • In the fou

Build a Proxy to Connect a Call Between Two Twilio Accounts via SIP

Mon, 26 Jan 2026 00:00:00 +0000

• Twilio customers often need to connect voice calls across separate Twilio accounts. • Twilio Application Connect offers an optimized, cost‑effective solution for inter‑account ca

Route leak incident on January 22, 2026

Fri, 23 Jan 2026 14:00:00 +0000

• On January 22, 2026, an automated routing policy configuration error caused us to leak some Border Gateway Protocol (BGP) prefixes unintentionally from a router at our data cente

Metronome + Stripe: Building the future of billing

Fri, 23 Jan 2026 00:00:00 +0000

• Stripe acquires Metronome, boosting its usage‑based billing capabilities. • New platform supports thousands of SKUs, multidimensional metering for AI infrastructure. • Enables sa

Congratulations to the recipients of the 2025 Spotify FOSS Fund

Thu, 22 Jan 2026 15:00:25 +0000

• Congratulations to the recipients of the 2025 Spotify FOSS Fund TL;DREstablished in 2022 as a way to help support the great open source ecosystem projects that Spotify relies on

Docker lazy loading at Grab: Accelerating container startup times

Wed, 21 Jan 2026 00:23:00 +0000

• Grab tackled slow container cold starts for data platforms like Airflow and Spark Connect. • Implemented Docker image lazy loading via eStargz and Seekable OCI (SOCI). • Fresh no

A Day in the Life of a Senior Technical Writer

Mon, 19 Jan 2026 17:01:51 +0000

• Starts day at 5am with meditation, journaling, coffee, word games, early quiet. • Walks office dog Otto, then tackles Developer Platform documentation for Reddit’s Devvit. • Coll

How we mitigated a vulnerability in Cloudflare's ACME validation logic

Mon, 19 Jan 2026 14:00:00 +0000

• How we mitigated a vulnerability in Cloudflareâ s ACME validation logic 2026-01-19 Hrushikesh Deshpande Andrew Mitchell Leland Garofalo This post was updated on January 20, 2026.

How Etsy Uses LLMs to Improve Search Relevance

Fri, 16 Jan 2026 20:02:28 +0000

• Ever searched for something specific, only to be met with results that are close, but not quite ? • On Etsy’s Search Relevance team, that frustration is exactly what we are tackl

Apache Hudi™ at Uber: Engineering for Trillion-Record-Scale Data Lake Operations

Fri, 16 Jan 2026 14:30:00 +0000

• Apache Hudi™ at Uber: Engineering for Trillion-Record-Scale Data Lake Operations 16 January / GlobalThe Foundation of Uber’s Data Platform Uber operates one of the most diverse a

Astro is joining Cloudflare

Fri, 16 Jan 2026 14:00:00 +0000

• Astro is joining Cloudflare 2026-01-16 Fred Schott Brendan Irvine-Broque The Astro Technology Company, creators of the Astro web framework, is joining Cloudflare. • Astrois the w

From deployment slop to production reality: How BriX bridges the gap with enterprise-grade AI infrastructure

Fri, 16 Jan 2026 00:23:00 +0000

• From deployment slop to production reality: How BriX bridges the gap with enterprise-grade AI infrastructure Abstract You’ve vibe-coded an AI assistant that’s a game-changer for

The three biggest agentic commerce trends from NRF 2026

Fri, 16 Jan 2026 00:00:00 +0000

• Rob Frieman, CIO of URBN, and Maia Josebachvili, Stripe’s chief revenue officer of AI, during their NRF session onhow URBN meets shoppers where they are. • Agentic commerce domin

When protections outlive their purpose: A lesson on managing defense systems at scale

Thu, 15 Jan 2026 20:54:32 +0000

• Share: To keep a platform like GitHub available and responsive, it’s critical to build defense mechanisms. • Rate limits, traffic controls, and protective measures spread across

Human Native is joining Cloudflare

Thu, 15 Jan 2026 14:00:00 +0000

• Human Native is joining Cloudflare 2026-01-15 Will Allen James Smith Today, weâ re excited to share that Cloudflare has acquiredHuman Native, a UK-based AI data marketplace speci

Adapting the Facebook Reels RecSys AI Model Based on User Feedback

Wed, 14 Jan 2026 20:51:33 +0000

• We’ve improved personalized video recommendations on Facebook Reels by moving beyond metrics such as likes and watch time and directly leveraging user feedback. • Our newUser Tru

What came first: the CNAME or the A record?

Wed, 14 Jan 2026 00:00:00 +0000

• On January 8, 2026, a routine update to 1.1.1.1 aimed at reducing memory usage accidentally triggered a wave of DNS resolution failures for users across the Internet. • The root

PinLanding: Turn Billions of Products into Instant Shopping Collections with Multimodal AI

Tue, 13 Jan 2026 20:03:03 +0000

• Faye Zhang, Staff Software Engineer; Jasmine Wan, Machine Learning Engineer I; Qianyu Cheng, Machine Learning Engineer II; Matthew Hichar, Machine Learning Engineer II; Eric Wan,

How Uber Conquered Database Overload: The Journey from Static Rate-Limiting to Intelligent Load Management

Tue, 13 Jan 2026 14:30:00 +0000

• How Uber Conquered Database Overload: The Journey from Static Rate-Limiting to Intelligent Load Management 13 January / GlobalIntroduction Uber’s thousands of microservices handl

What we know about Iran's Internet shutdown

Tue, 13 Jan 2026 00:00:00 +0000

• What we know about Iranâ s Internet shutdown 2026-01-13 David Belson In late December 2025,wide-scale protests erupted across multiple cities in Iran. • While these protests were

CSS at Scale With StyleX

Mon, 12 Jan 2026 18:34:59 +0000

• Build a large enough website with a large enough codebase, and you’ll eventually find that CSS presents challenges at scale. • It’s no different at Meta, which is why we open-sou

Swapping the Engine Mid-Flight: How We Moved Reddit's Petabyte Scale Kafka Fleet to Kubernetes

Mon, 12 Jan 2026 16:49:48 +0000

• Written by Sky Kistler. • Our goal was straightforward: host Kafka on Kubernetes via Strimzi and deprecate our existing EC2-backed Kafka clusters, which in total comprised 500+ b

Why We Use Separate Tech Stacks for Personalization and Experimentation

Wed, 07 Jan 2026 14:41:11 +0000

• Why We Use Separate Tech Stacks for Personalization and Experimentation Introduction Personalized apps have become essential for improving user experience across diverse user bas

From Monitoring to Observability: Our Ultra-Marathon to a Cloud-Native Platform

Tue, 06 Jan 2026 17:18:33 +0000

• From Monitoring to Observability: Our Ultra-Marathon to a Cloud-Native Platform 6 January / GlobalIntroduction Managing a global corporate network at Uber’s scale can feel a bit

Powering Vector Embedding Capabilities

Tue, 06 Jan 2026 12:02:27 +0000

• Expedia Group Technology - Data Science Powering Vector Embedding Capabilities Empowering developers with seamless vector embedding solutions Introduction Rapid advances in Machi

A closer look at a BGP anomaly in Venezuela

Tue, 06 Jan 2026 08:00:00 +0000

• As news unfolds surrounding the U.S. • capture and arrest of Venezuelan leader NicolÃ¡s Maduro, a cybersecurity newsletter examined Cloudflare Radar data and took note of a routi

Demystifying user journeys: Revolutionizing troubleshooting with auto tracking

Tue, 23 Dec 2025 00:23:00 +0000

• Demystifying user journeys: Revolutionizing troubleshooting with auto tracking Introduction Troubleshooting critical issues by deciphering a user’s journey on the Grab app is an

Taking a Holiday Pause: December 22nd - January 4th

Mon, 22 Dec 2025 16:01:09 +0000

• Friends and curious observers of the code, As the year winds down and the cocoa grows hot, the r/redditeng team is preparing to take our holiday break. • Please note that we will

Python Typing Survey 2025: Code Quality and Flexibility As Top Reasons for Typing Adoption

Mon, 22 Dec 2025 14:00:16 +0000

• The 2025 Typed Python Survey, conducted by contributors from JetBrains, Meta, and the broader Python typing community, offers a comprehensive look at the current state of Python'

DrP: Meta's Root Cause Analysis Platform at Scale

Fri, 19 Dec 2025 17:35:13 +0000

• Incident investigation can be a daunting task in today’s digital landscape, where large-scale systems comprise numerous interconnected components and dependencies DrPis a root ca

Inside the feature store powering real-time AI in Dropbox Dash

Thu, 18 Dec 2025 18:00:00 +0000

• Dropbox Dash uses AI to understand questions about your files, work chats, and company content, bringing everything together in one place for deeper, more focused work. • With te

Powering Billion-Scale Vector Search with OpenSearch

Thu, 18 Dec 2025 14:00:00 +0000

• Introduction At Uber, our systems handle massive amounts of data daily, from ridesharing to delivery. • We’ve traditionally used keyword-based search with Apache Lucene™. • Howev

How Grab is accelerating growth with real-time personalization using Customer Data Platform scenarios

Thu, 18 Dec 2025 00:23:00 +0000

• How Grab is accelerating growth with real-time personalization using Customer Data Platform scenarios Introduction Delivering personalized user experiences in real-time is centra

Stripe Atlas startups in 2025: Year in review

Thu, 18 Dec 2025 00:00:00 +0000

• Stripe Atlas startups in 2025: Year in review 2025 was a breakout year for early-stage startups: founders launched more companies and generated revenue faster than ever. • Delawa

Businesses grow revenue on Stripe 27 percentage points faster after accepting financing through Stripe Capital

Wed, 17 Dec 2025 00:00:00 +0000

• Businesses grow revenue on Stripe 27 percentage points faster after accepting financing through Stripe Capital We hear consistently from our SMB customers that access to financin

Introducing next-day settlement, a faster way to access your earnings

Wed, 17 Dec 2025 00:00:00 +0000

• Next-day settlement Access your funds in 1 business day. • With next-day settlement, funds from your domestic transactions (except ACH direct debits) are available in your Stripe

How Uber Indexes Streaming Data with Pull-Based Ingestion in OpenSearch™

Tue, 16 Dec 2025 14:00:00 +0000

• How Uber Indexes Streaming Data with Pull-Based Ingestion in OpenSearch™ 16 December 2025 / GlobalIntroduction At Uber, our business operates in real time. • Whether you’re haili

Reddit ML Training: Smarter Scheduling, Faster Training with Kueue and GCP DWS

Mon, 15 Dec 2025 20:32:02 +0000

• Author: Paul Calley The landscape of machine learning and artificial intelligence is rapidly expanding, driving an immense demand for robust and scalable training platforms. • As

How Uber, OCI™, and Ampere® Co-Optimized OCI AmpereOne® M A4 Compute

Mon, 15 Dec 2025 14:00:00 +0000

• How Uber, OCI™, and Ampere® Co-Optimized OCI AmpereOne® M A4 Compute 15 December 2025 / GlobalIntroduction At Uber, we innovate where software meets hardware, building a deep und

From Batch to Streaming: Accelerating Data Freshness in Uber's Data Lake

Thu, 11 Dec 2025 14:00:00 +0000

• Stay up to date with the latest from Uber Engineering Stay up to date with the latest from Uber Engineering Share Facebook X social Linkedin Envelope Link Introduction At Uber, t

Introducing the Agentic Commerce Suite: A complete solution for selling on AI agents

Thu, 11 Dec 2025 00:00:00 +0000

• Introducing the Agentic Commerce Suite: A complete solution for selling on AI agents In September, we announced the Agentic Commerce Protocol (ACP), the first live standard that

LLM-Powered Relevance Assessment for Pinterest Search

Wed, 10 Dec 2025 20:02:12 +0000

• LLM-Powered Relevance Assessment for Pinterest Search Han Wang | Machine Learning Engineer; Alex Whitworth | Staff Data Scientist; Pak Ming Cheung | Sr. • Staff Machine Learning

Background Coding Agents: Predictable Results Through Strong Feedback Loops (Honk, Part 3)

Tue, 09 Dec 2025 15:14:19 +0000

• Background Coding Agents: Predictable Results Through Strong Feedback Loops (Honk, Part 3) This is part 3 in our series about Spotify’s journey with background coding agents (int

Blazing Fast OLAP on Uber's Inventory and Catalog Data with Apache Pinot™

Tue, 09 Dec 2025 14:00:00 +0000

• Blazing Fast OLAP on Uber’s Inventory and Catalog Data with Apache Pinot™ 9 December 2025 / GlobalIntroduction You can order almost anything with Uber Eats. • Whether you want to

How Reddit Built a LLM Guardrails Platform

Mon, 08 Dec 2025 19:21:13 +0000

• Written by Charan Akiri, with help from Dylan Raithel. • TL;DR We built a centralized LLM Guardrails Service at Reddit to detect & block malicious & unsafe inputs-including promp

How Pinterest Built a Real‑Time Radar for Violative Content using AI

Mon, 08 Dec 2025 17:02:57 +0000

• Director Trust Engineering; Aravindh Manickavasagam | Staff Technical Program Manager; Attila Dobi | Sr. • Staff Data Scientist People come to Pinterest to find ideas they feel g

Improving Quality of Recommended Content through Pinner Surveys

Fri, 05 Dec 2025 20:02:13 +0000

• Improving Quality of Recommended Content through Pinner Surveys Rudraksh Kapil | Machine Learning Engineer I; Michal Giemza | Senior Machine Learning Engineer; Devan Srinivasan |

Improving MySQL® Cluster Uptime: Making MGR Viable at Scale

Thu, 04 Dec 2025 14:00:00 +0000

• Improving MySQL® Cluster Uptime: Making MGR Viable at Scale 4 December 2025 / GlobalIntroduction This is the second blog in a two-part series that describes how Uber adopted MySQ

Analyzing how SaaS platforms are shipping payments and finance products in days

Thu, 04 Dec 2025 00:00:00 +0000

• Analyzing how SaaS platforms are shipping payments and finance products in days Last year, we introduced Stripe Connect embedded components: prebuilt, production-ready UI modules

Improving MySQL® Cluster Uptime: Designing Advanced Detection, Mitigation, and Consensus with Group Replication

Tue, 02 Dec 2025 14:00:00 +0000

• Improving MySQL® Cluster Uptime: Designing Advanced Detection, Mitigation, and Consensus with Group Replication 2 December 2025 / GlobalIntroduction At Uber, engineers rely on My

A Functional Programming Alternative to the Strategy Pattern

Tue, 02 Dec 2025 06:32:20 +0000

• Expedia Group Technology - Engineering Exploring the strategy pattern and functional programming alternatives in Kotlin Photo by Karsten Winegeart on Unsplash When designing soft

New features to help SaaS platforms manage risk and stay compliant

Tue, 02 Dec 2025 00:00:00 +0000

• New features to help SaaS platforms manage risk and stay compliant Platforms tell us that managing risk and compliance often feels like choosing between speed and safety. • You n

Protecting Cat Memes from DDoS - DEF CON 33

Mon, 01 Dec 2025 18:02:19 +0000

• Written by Spencer Koch and Pratik Lotia. • https://preview.redd.it/64cne7jctm4g1.png?width=1600&format=png&auto=webp&s=ee1af9952a1c42786d982f7df0e18a03db27bd4b Hey everyone! • S

Streamlining Security Investigations with Agents

Mon, 01 Dec 2025 16:00:42 +0000

• Slack’s Security Engineering team is responsible for protecting Slack’s core infrastructure and services. • Our security event ingestion pipeline handles billions of events per d

A Decade of Defense: Celebrating Grab's 10th Year Bug Bounty Program

Mon, 01 Dec 2025 00:00:10 +0000

• Introduction Ten years ago, we launched our bug bounty program in partnership withHackerOne. • Beyond a security initiative, it represented an open invitation to collaborative de

Building the future: highlights from Dropbox's 2025 summer intern class

Wed, 26 Nov 2025 19:00:00 +0000

• Building the future: highlights from Dropbox’s 2025 summer intern class This summer, the Emerging Talent team proudly welcomed 43 interns to Dropbox as part of our 2025 Camp Drop

Real-time data quality monitoring: Kafka stream contracts with syntactic and semantic test

Wed, 26 Nov 2025 00:00:10 +0000

• Real-time data quality monitoring: Kafka stream contracts with syntactic and semantic test Introduction In today’s data-driven landscape, monitoring data quality has become a cri

Reducing experiment duration with predicted control variates

Tue, 25 Nov 2025 16:28:26 +0000

• I n 2021, we published a blog post titled ’ Increasing experimentation accuracy and speed by using control variates ,’ describing how we reduce the variance of metrics using CUPE

Breaking Through the Noise: A Hybrid ML and LLM Framework for Identifying Engaging, Breaking Content on Reddit

Tue, 25 Nov 2025 16:26:25 +0000

• Authors: Andrew Garrett, Md Mansurul Bhuiyan With 10s of thousands of new posts on Reddit each day, identifying content that is simultaneously timely, newsworthy, and engaging pr

Evolution and Scale of Uber's Delivery Search Platform

Mon, 24 Nov 2025 14:00:00 +0000

• Evolution and Scale of Uber’s Delivery Search Platform 24 November 2025 / GlobalIntroduction Search is a primary discovery funnel for Uber Eats: a large share of orders start wit

SpellVault's evolution: Beyond LLM apps, towards the agentic future

Fri, 21 Nov 2025 00:00:10 +0000

• SpellVault’s evolution: Beyond LLM apps, towards the agentic future Introduction At Grab, innovation isn’t just about building new features; it’s about evolving our platforms to

Ceilometer: Uber's Adaptive Benchmarking Framework

Thu, 20 Nov 2025 14:00:00 +0000

• Introduction At Uber, scale and reliability define our infrastructure. • Every new server type, kernel upgrade, and configuration change must be rigorously vetted before it touch

Android VPAT journey

Wed, 19 Nov 2025 18:00:39 +0000

• Background A Voluntary Product Accessibility Template (VPAT) is a document that outlines how well a product aligns with accessibility (a11y) standards. • Its primary purpose is t

Enhancing Uber's Guidance Heatmap with Deep Probabilistic Models

Tue, 18 Nov 2025 14:00:00 +0000

• Enhancing Uber’s Guidance Heatmap with Deep Probabilistic Models 18 November 2025 / GlobalIntroduction At Uber, giving high quality guidance to drivers is crucial for smoothing t

Choosing a vector database for ANN search at Reddit

Tue, 18 Nov 2025 00:38:18 +0000

• Written by Chris Fournier. • In 2024, Reddit teams used a variety of solutions to perform approximate nearest neighbour (ANN) vector search. • From Google’s Vertex AI Vector Sear

How Dash uses context engineering for smarter AI

Mon, 17 Nov 2025 19:00:00 +0000

• When we first built Dash, it looked like most enterprise search systems: a traditional RAG pipeline that combined semantic and keyword search across indexed documents. • It worke

I/O Observability for Uber's Massive Petabyte-Scale Data Lake

Thu, 13 Nov 2025 14:00:00 +0000

• I/O Observability for Uber’s Massive Petabyte-Scale Data Lake 13 November 2025 / GlobalIntroduction As Uber’s data infrastructure evolves toward a hybrid cloud architecture, unde

Colocating Input Partitions with Kafka Streams When Consuming Multiple Topics: Sub-Topology Matters!

Tue, 11 Nov 2025 12:01:58 +0000

• Expedia Group Technology - Engineering Colocating Input Partitions with Kafka Streams When Consuming Multiple Topics: Sub-Topology Matters! • Understanding how sub-topology desig

Create new monetization opportunities with Stripe Billing's recent upgrades

Tue, 11 Nov 2025 00:00:00 +0000

• Create new monetization opportunities with Stripe Billing’s recent upgrades Atlassian, Figma, Instacart, and fast-growing AI companies such as OpenAI, Anthropic, and NVIDIA use S

Reddit's Home Feed on GPU: Unlock ML Growth and Efficiency

Mon, 10 Nov 2025 19:15:56 +0000

• Author: Cedric Blondeau TL;DR We migrated Reddit’s Home Feed Ranker from CPU to GPU to unlock scalability, efficiency, and enable further growth with new architectures like Trans

Build better software to build software better

Thu, 06 Nov 2025 16:00:47 +0000

• We manage the build pipeline that delivers Quip and Slack Canvas’s backend. • A year ago, we were chasing exciting ideas to help engineers ship better code, faster. • But we had

Grab's Mac Cloud Exit supercharges macOS CI/CD

Thu, 06 Nov 2025 00:00:05 +0000

• Grab’s Mac Cloud Exit supercharges macOS CI/CD Introduction In our mission to optimize continuous integration and delivery (CI/CD), we have taken a bold step by relocating our in

How we built a custom vision LLM to improve document processing at Grab

Tue, 04 Nov 2025 00:00:10 +0000

• How we built a custom vision LLM to improve document processing at Grab Introduction In the world of digital services, accurate extraction of information from user-submitted docu

Leveraging Bazel Multi-Platform RBE for Reddit's iOS CI

Mon, 03 Nov 2025 18:54:10 +0000

• By Brentley Jones Background The Reddit iOS project requires macOS hosts to build and test since it depends on Xcode/Apple SDKs. • Because of this, our CI agents also needed to r

Improving performance by prefetching product pages from Etsy Search

Wed, 29 Oct 2025 17:14:09 +0000

• Rarely are there opportunities for big, bold, game-changing improvements in web performance. • The Speculation Rules API (SRA) is a recent browser development that offers just su

Reddit's Engineering Excellence Survey

Tue, 28 Oct 2025 05:18:13 +0000

• Author: Ken Struys Developer Experience (aka DevX) mission is to increase developer velocity at Reddit. • We build (and buy) highly leveraged tools used across the entire softwar

Reimagining Software Engineering: LLMs, MCP, and the Dawn of a New Programming Paradigm

Fri, 24 Oct 2025 13:11:20 +0000

• EXPEDIA GROUP TECHNOLOGY - ENGINEERING Reimagining Software Engineering: LLMs, MCP, and the Dawn of a New Programming Paradigm Programming by prompting isn’t the future - operati

Advancing Our Chef Infrastructure: Safety Without Disruption

Thu, 23 Oct 2025 18:17:56 +0000

• Last year, I wrote a blog post titled Advancing Our Chef Infrastructure, where we explored the evolution of our Chef infrastructure over the years. • We talked about the shift fr

With Mobius Labs' Aana models, we're bringing deeper multimodal understanding to Dropbox Dash

Thu, 23 Oct 2025 13:00:00 +0000

• With Mobius Labs’ Aana models, we’re bringing deeper multimodal understanding to Dropbox Dash Teams today create and share more types of content than ever before. • Their work mi

Half-Quadratic Quantization of large machine learning models

Wed, 22 Oct 2025 12:00:00 +0000

• Editor’s note: We are republishing a blog post from the Mobius team, originally published in 2023, that introduced a now widely used quantization algorithm. • We plan to continue

A Day in the Life of an Infrastructure Security Engineer

Mon, 20 Oct 2025 17:51:51 +0000

• Written by Pratik Lotia. • A confession: I love talking about my job, but nailing down a typical ‘Day in the Life’ is a challenge when every day at Reddit InfraSec feels like a n

AI Interview Success: An Interviewer's Inside Guide

Mon, 20 Oct 2025 00:00:01 +0000

• Interviews AI Interview Success: An Interviewer’s Inside Guide From the Other Side of the Screen: What We’re Looking For in Your AI-Assisted Interview I’ve had the pleasure of co

Fredrick Lee (Reddit CISO) Answers Your Questions!

Tue, 14 Oct 2025 17:24:00 +0000

• Thanks to everyone who submitted questions for u/cometarystones ’ AMA! • We received so many great questions. • We’ve compiled Flee’s responses into this post. • Read along for t

Understanding Etsy's Vast Inventory with LLMs

Mon, 13 Oct 2025 17:58:39 +0000

• For more than 20 years, Etsy has been the destination for human creativity online. • Our marketplace is home to more than 100 million special items made, handpicked and designed

Ask your questions here for next week's AMA with Reddit CISO, Fredrick 'Flee' Lee

Thu, 09 Oct 2025 20:30:08 +0000

• Ever wanted to ask our CISO, Fredrick ‘Flee’ Lee, u/cometarystones , something about security, leadership, or why he always seems so chill even under pressure? • If so, now’s you

Unlocking Faster Insights with Experimenter-Defined Segmentations

Wed, 08 Oct 2025 15:32:02 +0000

• Imagine you have a fabulous idea to drive more sales on Etsy by giving out free ice cream with every purchase. • How would you know if it will actually work? • One way to test th

Evolving Signals-Joiner with Custom Joins in Apache Flink

Tue, 07 Oct 2025 17:46:52 +0000

• Written by Vignesh Raja and Jerry Chu. • Background and Motivation In a previous post , we introduced Signals-Joiner, a Flink application that enriches input for our real-time, a

Deploy Safety: Reducing customer impact from change

Tue, 07 Oct 2025 16:33:12 +0000

• It’s mid 2023 and we’ve identified some opportunities to improve our reliability. • Fast forward to January 2025. • Customer impact hours are reduced from the peak by 90% and con

A practical blueprint for evaluating conversational AI at scale

Thu, 02 Oct 2025 16:00:00 +0000

• LLM applications present a deceptively simple interface: a single text box. • But behind that minimalism runs a chain of probabilistic stages, including intent classification, do

Why You Should Prefer MERGE INTO Over INSERT OVERWRITE in Apache Iceberg

Tue, 30 Sep 2025 12:02:10 +0000

• EXPEDIA GROUP TECHNOLOGY - DATA Stop overwriting - start merging: a smarter approach to updating Iceberg tables Photo by NEOM on Unsplash Apache Iceberg has emerged as a leading

Pragmatic, Compliant AI: Reddit's Journey to adopt AI in Enterprise Applications

Mon, 29 Sep 2025 19:23:22 +0000

• Written by Dylan Glenn. • Here at Reddit, the Enterprise Applications team shepherds much of the financial and operational infrastructure for our business, from invoicing custome

S3 server access logs at scale

Fri, 26 Sep 2025 00:00:00 +0000

• S3 server access logs at scale - Nurdan Almazbekov, Infrastructure Security - Sep 26, 2025 Introduction Yelp heavily relies on Amazon S3 (Simple Storage Service) to store a wide

Post-quantum security for SSH access on GitHub

Mon, 15 Sep 2025 16:00:00 +0000

• Share: Today, we’re announcing some changes that will improve the security of accessing Git data over SSH. • We’re adding a new post-quantum secure SSH key exchange algorithm, kn

Building Slack's Anomaly Event Response

Thu, 04 Sep 2025 10:00:02 +0000

• As cyberattacks evolve to unprecedented levels of sophistication and speed, the time gap between breach detection and response has never been more critical. • Traditional securit

Building Etsy Buyer Profiles with LLMs

Wed, 03 Sep 2025 21:40:15 +0000

• Every day, shoppers from Etsy’s community of nearly 90M buyers visit our marketplace to search for unique, handmade, and vintage items. • But with over 100 million listings, how

Chill Your Data with Iceberg Write Audit Publish

Tue, 02 Sep 2025 11:01:42 +0000

• EXPEDIA GROUP TECHNOLOGY - DATA A strategic shift toward data flows that are version-controlled, testable, and auditable Ensuring data quality in production environments is criti

Hack Week 2025: How these engineers liquid-cooled a GPU server

Wed, 27 Aug 2025 15:00:00 +0000

• Hack Week 2025: How these engineers liquid-cooled a GPU server Hack Week 2025 at Dropbox centered on the theme ‘Keep It Simple,’ offering opportunities for innovation, experiment

Context engineering case studies: Etsy-specific question answering

Tue, 19 Aug 2025 20:04:41 +0000

• This post investigates the benefits and limitations of prompt engineering in two instances of AI-assisted onboarding relying on large language model (LLM) technology. • Of partic

From Intern Project to Production: How I Shipped the Draw Tool for Canva's Present Mode

Wed, 06 Aug 2025 00:00:01 +0000

• Draw tool From Intern Project to Production: How I Shipped the Draw Tool for Canva’s Present Mode Overview of the technical hurdles I overcame to evolve my intern project into a

Beyond the Handoff: Boosting ML Outcomes Through Integrated Scientist and Engineer Collaboration

Tue, 05 Aug 2025 10:31:56 +0000

• Expedia Group Technology - Data Beyond the Handoff: Boosting Machine Learning Outcomes Through Integrated Scientist and Engineer Collaboration Bridging the gap between innovation

Contextual Property Embeddings for Corse-grained Personalization

Tue, 08 Jul 2025 11:01:17 +0000

• Expedia Group Technology - Data Contextual Property Embeddings for Corse-grained Personalization How Expedia Group uses embeddings for personalized hotel search – Listen Share I

Exploring CHAOS: Building a Backend for Server-Driven UI

Tue, 08 Jul 2025 00:00:00 +0000

• CHAOS is Yelp’s server‑driven UI framework delivering dynamic content via GraphQL. • Clients query the CHAOS API, which forwards to a federated GraphQL subgraph. • Apollo Federat

Measuring Commercial Impact at Scale at Canva

Fri, 20 Jun 2025 00:00:01 +0000

• Data Analytics Measuring Commercial Impact at Scale at Canva How We Built Canva’s IMPACT App with Streamlit in Snowflake Executive Summary At Canva, experimentation is at the cor

Yes, You Can Use AI in Our Interviews. In fact, we insist

Wed, 11 Jun 2025 00:00:01 +0000

• Canva now requires Backend, ML, Frontend candidates to use AI tools (Copilot, Cursor, Claude) during interviews. • Nearly 50% of current engineers use AI daily to prototype, navi

How GitHub engineers tackle platform problems

Tue, 10 Jun 2025 16:00:00 +0000

• Product engineers build the final product, while platform engineers supply the tools and infrastructure. • GitHub’s infrastructure team now serves internal customers, shifting fo

Revenue Automation Series: Testing an Integration with Third-Party System

Tue, 27 May 2025 00:00:00 +0000

• Revenue Data Pipeline handles massive data, complex transformations to recognize revenue. • Original Redshift Connector sync caused ~10-hour latency, delaying data verification.

GitHub Issues search now supports nested queries and boolean operators: Here's how we (re)built it

Tue, 13 May 2025 16:00:00 +0000

• GitHub Issues search now supports logical AND/OR operators across all fields. • Nested parentheses allow precise grouping of query terms for complex searches. • Example: is:issue

Design system annotations, part 2: Advanced methods of annotating components

Fri, 09 May 2025 16:56:57 +0000

• Preset annotations embed accessibility details into design system components for designers and developers. • Primer’s preset system is unique but can inspire custom annotation fr

Design system annotations, part 1: How accessibility gets left out of components

Fri, 09 May 2025 16:56:41 +0000

• Accessibility annotations bridge gaps design systems can’t fix, ensuring inclusive component usage. • Misconception: accessible components guarantee accessible designs; design fl

Nrtsearch 1.0.0: Incremental Backups, Lucene 10, and More

Thu, 08 May 2025 00:00:00 +0000

• Nrtsearch 1.0.0 introduces incremental S3 backups on every commit, enhancing data durability. • Over 90% of Elasticsearch traffic has migrated to Nrtsearch, proving its productio

Building a more accessible GitHub CLI

Fri, 02 May 2025 14:30:00 +0000

• GitHub CLI brings GitHub power to the terminal while ensuring accessibility for all developers. • Terminal accessibility lacks comprehensive standards, prompting innovative, purp

How the GitHub CLI can now enable triangular workflows

Fri, 25 Apr 2025 16:00:37 +0000

• GitHub CLI now fully supports triangular workflows, enabling smoother fork‑to‑PR development. • Triangular workflow lets you pull updates from other branches into your feature br

Journey to Zero Trust Access

Tue, 15 Apr 2025 00:00:00 +0000

• Yelp transitioned to fully remote, requiring secure, consistent access for a globally distributed workforce. • Existing VPN (Ivanti Pulse Secure) was unreliable, prompting a sear

PayPal Releases Agentic Toolkit to Accelerate Commerce

Mon, 14 Apr 2025 20:27:50 +0000

• PayPal releases Agentic Toolkit to streamline AI-driven commerce workflows today. • Toolkit integrates PayPal APIs for orders, invoices, disputes, shipments, and subscriptions. •

Optimizing Our E2E Pipeline

Mon, 14 Apr 2025 09:00:30 +0000

• Optimizing Our E2E Pipeline How We Cut Our Build Times in Half In the world of DevOps and Developer Experience (DevXP), speed and efficiency can make a big difference on an engin

Introducing sub-issues: Enhancing issue management on GitHub

Fri, 11 Apr 2025 22:33:30 +0000

• Introduced sub-issues to break large GitHub issues into smaller, manageable tasks. • Enables hierarchical lists within a single issue, improving progress tracking and dependency

PayPal Begins Rollout of MCP Servers to Accelerate Agentic Commerce

Fri, 04 Apr 2025 14:25:27 +0000

• PayPal launches MCP servers, adopting Anthropic’s Model Context Protocol for AI-native commerce. • Developers can now access PayPal services via MCP, enabling generative AI integ

Behind the Scenes - A Glimpse into Tax Calculations

Sat, 29 Mar 2025 10:03:23 +0000

• Etsy now collects and remits sales tax worldwide, shifting responsibility from sellers to the marketplace. • Tax is calculated instantly when a buyer adds an item, using buyer/se

How we built enterprise search to be secure and private

Fri, 07 Mar 2025 01:14:37 +0000

• How we built enterprise search to be secure and private Many don’t know that ‘Slack’ is in fact abackronym-it stands for ‘Searchable Log of all Communication and Knowledge’. • An

Behind the scenes of Canva's DesignDNA campaign

Mon, 24 Feb 2025 00:00:01 +0000

• Canva launched DesignDNA, a year‑in‑review campaign in December 2024, celebrating user achievements. • Generative AI crafted personalized, shareable designs, enabling users to sh

Revenue Automation Series: Building Revenue Data Pipeline

Wed, 19 Feb 2025 00:00:00 +0000

• Yelp’s expanding revenue streams demanded automated recognition beyond manual processes. • The REVREC SaaS solution offers real‑time reconciliation, faster book‑closing, and inst

Estimating Incremental Lift in Customer Value (Delta CV) using Synthetic Control

Fri, 14 Feb 2025 20:41:49 +0000

• Use causal inference to assess impact of user actions on engagement, revenue, margin. • Introduce Delta CV: incremental profit margin in first year after product adoption. • Delt

Search Query Understanding with LLMs: From Ideation to Production

Tue, 04 Feb 2025 00:00:00 +0000

• Yelp integrates LLMs to interpret search queries, improving intent detection for millions of daily searches. • The team tackled spelling correction, segmentation, canonicalizatio

Adopting Jetpack Compose for Etsy's Android App

Tue, 28 Jan 2025 15:25:11 +0000

• Etsy adopts Jetpack Compose as primary Android UI toolkit after structured learning. • Gradual rollout: small modules, real app screens, culminating in full screen rewrite. • Des

Image replacement in Canva designs using reverse image search

Tue, 28 Jan 2025 09:05:01 +0000

• Canva automates image replacement using reverse image search to maintain library quality. • The system models similarity hierarchically: subject, color, positioning, background,

Enhancing Neural Network Training at Yelp: Achieving 1,400x Speedup with WideAndDeep

Wed, 22 Jan 2025 00:00:00 +0000

• Reduced pCTR model training from 75 hours/epoch on 450M samples to under 1 hour on 2B samples. • Built ArrowStreamServer, an in‑house low‑latency Parquet streaming library, repla

The foundations of Canva's continuous data platform with Snowpipe Streaming

Mon, 06 Jan 2025 00:00:01 +0000

• Canva’s user base tripled to 200M, driving demand for scalable product analytics. • Addressed cost, speed, and correctness of data insights for product decisions. • Implemented s

Canva incident report: API Gateway outage

Fri, 20 Dec 2024 00:00:01 +0000

• 12 Nov 2024: Canva.com outage lasted ~52 minutes, impacting global users. • Root cause: API Gateway cluster failure triggered by editor deployment, locking, Cloudflare network is

Revisiting Compute Scaling

Fri, 13 Dec 2024 00:00:00 +0000

• Yelp’s node autoscaler evolved from Clusterman to AWS Karpenter to improve scaling efficiency. • Clusterman managed ASG pools via setpoints balancing requested vs allocatable res

The science of routing print orders

Tue, 10 Dec 2024 00:00:00 +0000

• Canva’s Print team uses graph traversal to route orders across a global, distributed printing network. • A configurable rules engine ensures deterministic routing, balancing spee

How to improve search without looking at queries or results

Mon, 25 Nov 2024 01:00:00 +0000

• Canva’s 200M MAUs and 30B designs make private search optimization critical. • Privacy policy forbids viewing personal designs, eliminating real query‑label datasets. • Engineers

Machine Learning in Content Moderation at Etsy

Tue, 06 Aug 2024 11:15:03 +0000

• Etsy uses supervised ML to detect policy violations across 100M items. • Trust & Safety team combines community reports with automated removal. • Over 100,000 violations flagged

Enhancing Cloud Usage Forecasting, Monitoring & Optimizing

Mon, 17 Jun 2024 13:58:16 +0000

• Etsy migrated from on-prem to GCP in 2020, guided by a dedicated program management team. • Post-migration, the team became Etsy’s FinOps unit, focusing on maximizing cloud value

Efficient Visual Representation Learning And Evaluation

Fri, 07 Jun 2024 17:23:02 +0000

• Etsy leverages computer vision to enhance shopping via visual search and recommendations. • Deep neural networks encode images into vector representations, powering downstream ta

Scaling PayPal's AI Capabilities with PayPal Cosmos.AI Platform

Thu, 02 May 2024 16:27:03 +0000

• PayPal has invested over a decade in AI/ML, leveraging it for fraud detection, ops, personalization, compliance. • The company aims to democratize AI, empowering employees across

Macramé: Untangling the Knot on the Etsy Android Listing Screen

Mon, 18 Mar 2024 16:19:15 +0000

• Etsy’s Android listing screen is the most complex, central buying experience component. • Over 200 experiments in three years caused rapid code growth and instability. • Legacy a

Leveraging Spark 3 and NVIDIA's GPUs to Reduce Cloud Cost by up to 70% for Big Data Pipelines

Wed, 21 Feb 2024 16:42:14 +0000

• PayPal runs hundreds of thousands of Spark jobs hourly, processing petabytes of data. • Upgrading to Spark 3 and adopting NVIDIA RAPIDS GPUs cuts cloud costs up to 70%. • GPUs of

Declarative Feature Engineering at PayPal

Mon, 11 Dec 2023 15:56:51 +0000

• PayPal uses declarative, config‑based feature engineering to streamline ML workflows. • Data scientists declare feature specs, leaving construction to engineering teams. • Approa

Streamlining Developer Productivity with the PayPal Visual Studio Code Extension

Thu, 07 Dec 2023 20:51:45 +0000

• PayPal VS Code extension streamlines checkout integration directly inside the IDE. • Pre‑written samples let developers clone ready‑made PayPal integration code. • Code snippets

Managing Recurring Payments with Apple Pay Using PayPal

Mon, 20 Nov 2023 14:41:42 +0000

• Recurring payments let merchants charge buyers at set intervals via Apple Pay on mobile web. • PayPal’s JS SDK and V3 Vault enable Apple Pay as a seamless recurring payment optio

Accept E-Commerce Payments Easily with PayPal's Buttons Component

Tue, 24 Oct 2023 16:07:59 +0000

• PayPal Standard Checkout lets developers embed Payment Buttons into any e‑commerce app. • Integration requires API credentials (Client ID, Secret) and Sandbox test accounts. • Se

Why You Should Attend PayPal's Developer Meetup at Money20/20

Mon, 09 Oct 2023 17:37:55 +0000

• Meet PayPal executives and technical leaders for insights on fintech strategy. • Discover PayPal Complete Payments (PPCP) unifying Checkout and card processing. • Learn how a sin

The AR Measuring Box: Etsy's answer to Big Tape Measure

Mon, 18 Sep 2023 20:11:58 +0000

• Etsy’s new iOS AR feature lets users visualize wall art in their rooms using Apple’s ARKit. • Initially beta‑only for wall art, the team plans to extend the tool across Etsy’s di

The So-fine Real-time ML Paradigm

Tue, 05 Sep 2023 19:55:41 +0000

• Etsy’s CodeMosaic hackathon fuels rapid prototyping of bold tech ideas across teams. • Team tackled stateful and online ML to update models in near real‑time. • Current pipelines

Leveraging Real-Time User Actions to Personalize Etsy Ads

Fri, 14 Jul 2023 19:54:41 +0000

• Personalization is key to match Etsy’s unique marketplace with the right buyer at the right time. • Etsy introduced ADPM, a reusable three‑component deep learning module that lea

The Problem with Timeseries Data in Machine Learning Feature Systems

Fri, 23 Jun 2023 20:30:41 +0000

• Etsy’s Feature Systems introduced real‑time features via Rivulet, feeding ML models with timeseries data. • A recommendation engineer flagged that Avro timestamp logic caused pre

From Image Classification to Multitask Modeling: Building Etsy's Search by Image Feature

Fri, 26 May 2023 20:32:49 +0000

• Etsy launches image-based search on mobile, letting users find similar items via photos. • Feature uses machine‑learning embeddings to represent 100M+ listings in low‑dimensional

How We Built a Multi-Task Canonical Ranker for Recommendations at Etsy

Tue, 18 Apr 2023 21:44:34 +0000

• Etsy serves 100M+ listings, using recommendation modules to guide buyers at every shopping stage. • Each module follows a two‑phase pipeline: fast candidate selection then ML‑bas

Developer Platform updates Spring 20'

Tue, 21 Apr 2020 18:02:21 +0000

• Developer Dashboard now displays app usage metrics: installs, API calls, webhook subscribers. • Dynamic App Support lets developers set mandatory vs optional OAuth scopes, visibl

The Developer Show: Building Zoom Chatbots

Fri, 03 Apr 2020 20:13:34 +0000

• Zoom Developer Advocacy champions developer education, providing tutorials, SDKs, and community support. • The new ‘Developer Show’ series showcases building Zoom Chatbots with t

Backwards Incompatible V2 API Changes

Fri, 03 Apr 2020 00:20:55 +0000

• Removed Attention Tracking; V2 REST API now returns empty attentiveness_score for meeting and webinar participant reports. • Deprecated attention_tracking field in User, Group, a

Debut of the Zoom Developer Show webinar - Chat Apps!

Thu, 26 Mar 2020 22:21:55 +0000

• Zoom Developer Show debuts webinar on Chat Apps. • Hosted by Michael Harrington and Shrijana Ghimire. • Date April 9, 2020 at 11am PT. • Zoom engineers showcase new developer too

Developing Zoom Marketplace Apps w/ ngrok

Fri, 14 Feb 2020 03:01:01 +0000

• NGROK creates introspectable tunnels to localhost, enabling rapid prototyping of Zoom Marketplace apps. • Compared to NGINX/Apache, NGROK offers a single-command, authenticated H

New API Rate Limiter

Fri, 14 Feb 2020 03:01:01 +0000

• Zoom introduces new V2 API Rate Limits in March 2020 to support scaling. • Current one-size-fits-all limits insufficient for growing organizations. • New limits tailored to Accou

What's New and What's Coming for Zoom Marketplace in 2020?

Fri, 14 Feb 2020 01:01:01 +0000

• Zoom added new functional categories to its Marketplace, improving app discoverability for customers. • Publishers can now include Terms of Use and App Documentation URLs alongsi

Investing in Developers - Zoom Developer Summit and Competition 2020

Thu, 13 Feb 2020 02:10:56 +0000

• Zoom Marketplace Competition launched at Zoomtopia 2019, offering $2M funding to developers. • Open to for‑profit firms with <$10M raised, finalists pitch to venture partners. •

Zoom Developer Relations - Meet the Team

Fri, 24 Jan 2020 22:25:27 +0000

• Andy de Artola: Technical Writer, docs for Zoom integrations, loves dogs and wine, favorite app Outgoing Webhook chat. • Michael Purnell: Developer Advocate, manages APIs, Web SD

Behind the Curtain: App Publishing Requests

Wed, 22 Jan 2020 02:31:01 +0000

• Two main submission paths: App Publishing Request for marketplace-wide distribution and Publishable URL for limited sharing. • App Publishing Request lets any Zoom user install y