Engineering Blogs

We’re sharing how Meta built support for data logs, which provide people with additional data about how they use our products. Here we explore initial system designs we considered, an overview of the ...

Zhibo Fan | Machine Learning Engineer, Homefeed Candidate Generation; Bowen Deng | Machine Learning Engineer, Homefeed Candidate Generation; Hedi Xia | Machine Learning Engineer, Homefeed Candidate Ge...

We’ve previously described why we think it’s time to leave the leap second in the past. In today’s rapidly evolving digital landscape, introducing new leap seconds to account for the long-term slowdow...

Bowen Deng | Machine Learning Engineer, Homefeed Candidate Generation; Zhibo Fan | Machine Learning Engineer, Homefeed Candidate Generation; Dafang He | Machine Learning Engineer, Homefeed Relevance; ...

A deep dive on the work that went into making the component that powers repository and pull request file trees. The post Considerations for making a tree view component accessible appeared first on Th...

Introducing a new Android UI framework like Jetpack Compose into an existing app is more complicated than importing some AARS and coding away. What if your app has specific performance goals to meet? ...

Data lineage is an instrumental part of Meta’s Privacy Aware Infrastructure (PAI) initiative, a suite of technologies that efficiently protect user privacy. It is a critical and powerful tool for scal...

We’re sharing details about Strobelight, Meta’s profiling orchestrator. Strobelight combines several technologies, many open source, into a single service that helps engineers at Meta improve efficien...

Do types actually make developers more productive? Or is it just more typing on the keyboard? To answer that question we’re revisiting Diff Authoring Time (DAT) – how Meta measures how long it takes t...

Angel Vargas | Software Engineer, API Platform; Swati Kumar | Software Engineer, API Platform; Chris Bunting | Engineering Manager, API PlatformThe inside of the Pinterest lobby in Mexico City, showin...

Today’s rapidly evolving landscape of use cases that demand highly performant and efficient network infrastructure is placing new emphasis on how in-line amplifiers (ILAs) are designed and deplo...

Part 2: Navigating AmbiguityBy: Varun KhaitanWith special thanks to my stunning colleagues: Mallika Rao, Esmir Mesic, Hugo MarquesBuilding on the foundation laid in Part 1, where we explored the “what...

This article is the last in a multi-part series sharing a breadth of Analytics Engineering work at Netflix, recently presented as part of our annual internal Analytics Engineering conference. Need to ...

This article is the second in a multi-part series sharing a breadth of Analytics Engineering work at Netflix, recently presented as part of our annual internal Analytics Engineering conference. Need t...

Juan Benavides Nanni; SDET II |Pinterest conversions are critical for businesses looking to optimize their campaigns and track the performance of their advertisements. By leveraging Pinterest’s Conver...

David J. Berg*, David Casler^, Romain Cledat*, Qian Huang*, Rui Lin*, Nissan Pow*, Nurcan Sonmez*, Shashank Srikanth*, Chaoying Wang*, Regina Wang*, Darin Yu**: Model Development Team, Machine Learnin...

We’re sharing details about Glean, Meta’s open source system for collecting, deriving, and working with facts about source code. In this blog post we’ll talk about why a system like Glean is important...

How Airbnb is adapting ranking for our map interface.Malay Haldar, Hongwei Zhang, Kedar Bellare Sherry ChenSearch is the core mechanism that connects guests with Hosts at Airbnb. Results from a guest’...

Meta has been on a years-long undertaking to translate our entire Android codebase from Java to Kotlin. Today, despite having one of the largest Android codebases in the world, we’re well past t...

This article is the first in a multi-part series sharing a breadth of Analytics Engineering work at Netflix, recently presented as part of our annual internal Analytics Engineering conference. We kick...

By J Han, Pallavi PhadnisContextAt Netflix, we use Amazon Web Services (AWS) for our cloud infrastructure needs, such as compute, storage, and networking to build and run the streaming platform that w...

Part 1: Understanding The ChallengesBy: Varun KhaitanWith special thanks to my stunning colleagues: Mallika Rao, Esmir Mesic, Hugo MarquesIntroductionAt Netflix, we manage over a thousand global conte...

Airbnb had a large presence at the 2024 KDD conference hosted in Barcelona, Spain. Our Data Scientist and Engineers presented on topics like Deep Learning & Search Ranking, Online Experimentation ...

TL;DR Getting a response from GenAI is quick and straightforward. But what about the... The post Building Confidence: A Case Study in How to Create Confidence Scores for GenAI Applications appeared fi...

Vijaya Kaza is the Chief Security Officer and Head of Engineering for Trust and Safety at Airbnb. She leads teams responsible for developing the technology (Platforms, tools and AI models), to safegua...

How Pinterest Leverages Honeycomb to Enhance CI Observability and Improve CI Build StabilityOliver Koo | Staff Software EngineerOptimizing Mobile Builds and Continuous Integration Observability at Pin...

How Airbnb uses data-driven segmentation to understand supply availability patterns.By: Alexandre Salama, Tim AbrahamIntroductionAt Airbnb, our supply comes from hosts who decide to list their spaces ...

The Performance Engineering team at GitHub assessed how CPU performance degrades as utilization increases and how this relates to capacity. The post Breaking down CPU speed: How utilization impacts pe...

TL;DR The Spotify FOSS Fund is back again! We created the Spotify FOSS Fund in 2022 to help support the [...] The post Congratulations to the Recipients of the 2024 Spotify FOSS Fund appeared first on...

How Airbnb built a stream processing platform to power user personalization.By: Kidai Kwon, Pavan Tambay, Xinrui Hua, Soumyadip (Soumo) Banerjee, Phanindra (Phani) GantiOverviewUnderstanding user acti...

With this custom addon, you can ensure your workplace remains accessible to users with motion sensitivities while benefiting from Storybook’s Interactions. The post How to make Storybook Interactions ...

Liang Mou; Staff Software Engineer, Logging Platform | Elizabeth (Vi) Nguyen; Software Engineer I, Logging Platform |In today’s data-driven world, businesses need to process and analyze data in real-t...

Boosting computer vision accuracy and performance at AirbnbBy: Pei Xiong, Aaron Yin, Jian Zhang, Lifan Yang, Lu Zhang, Dean ChenIntroductionIn recent years, the integration of artificial intelligence ...

By: Rajiv Shringi, Oleksii Tkachuk, Kartik SathyanarayananIntroductionIn our previous blog post, we introduced Netflix’s TimeSeries Abstraction, a distributed service designed to store and query large...

How and Why We Migrated Airbnb’s Large-Scale Web Monorepo to BazelBy: Brie Bunge and Sharmila JesupaulIntroductionAt Airbnb, we’ve recently adopted Bazel — Google’s open source build tool–as our unive...

How Airbnb leverages machine learning and reinforcement learning techniques to solve a unique information retrieval task in order to provide guests with unique, affordable, and differentiated accommod...

How Airbnb’s conversational AI platform powers LLM application development.By Chutian Wang, Zhiheng Xu, Paul Lou, Ziyi Wang, Jiayu Lou, Liuming Zhang, Jingwen Qiang, Clint Kelly, Lei Shi, Dan Zhao, Xu...

Yongjun Zhang; Staff Software Engineer | William Tom; Staff Software Engineer | Sandeep Kumar; Software Engineer | Hengzhe Guo; Software Engineer |Monarch, Pinterest’s Batch Processing Platform, was i...

With the fields of machine learning (ML) and generative AI (GenAI) continuing to rapidly evolve and expand, it has become [...] The post How We Generated Millions of Content Annotations appeared first...

By: Hechao Li and Marcelo MaywormWith special thanks to our stunning colleagues Amer Ather, Itay Dafna, Luca Pozzi, Matheus Leão, and Ye Ji.OverviewAt Netflix, the Analytics and Developer Experience o...

Alex Wang; Software Engineer I | Lei Pan; Software Engineer II | Raymond Lee; Senior Software Engineer | Saurabh Vishwas Joshi; Senior Staff Software Engineer | Chia-Wei Chen; Senior Software Engineer...

By Rajiv Shringi, Vinay Chella, Kaidan Fullerton, Oleksii Tkachuk, Joey LynchIntroductionAs Netflix continues to expand and diversify into various sectors like Video on Demand and Gaming, the ability ...

Authors: Alberto Ordonez Pereira; Senior Staff Software Engineer | Lianghong Xu; Senior Manager, Engineering |Part 1: HBase Deprecation at Pinterest & Part 2: TiDB Adoption at PinterestIn this blo...

Airbnb made it easy to bring data/AI ideas to life through a platform for prototyping web applications.By: Dan MillerWarm, friendly beach capturing the playful nature of prototyping.IntroductionTrustw...

How we used GitHub to build GitHub Enterprise Cloud with data residency. The post GitHub Enterprise Cloud with data residency: How we built the next evolution of GitHub Enterprise using GitHub appeare...

Li Tang; Sr. Software Engineer | Saurabh Vishwas Joshi; Sr. Staff Software Engineer | Zhiyuan Zhang; Sr. Manager, Engineering |At Pinterest, we operate a large-scale online machine learning inference ...

On Spotify’s Analytics Platform, we’re dedicated to building products that empower data practitioners to discover, analyze, and share insights — [...] The post Are You a Dalia? How We Created Data Sci...

We have a lot of dashboards at Spotify. Our Insight teams and analysts from across the company are constantly whipping [...] The post Unlocking Insights with High-Quality Dashboards at Scale appeared ...

Five actionable tips and strategies to supercharge developer happiness—and a more innovative workplace. The post The ultimate guide to developer happiness appeared first on The GitHub Blog. ...

Teams with neurodivergent employees can be up to 30 percent more productive. Discover tips on how best to support them in your workplace. The post How GitHub supports neurodiverse employees (and how y...

Solving and staying ahead of problems when scaling up a system of GitHub’s size is a delicate process. Here's a look at some of the tools in GitHub's toolbox, and how we’ve used them to solve problems...

Drag-and-drop is a highly interactive and visual interface. We often use drag-and-drop to perform tasks like uploading files, reordering browser bookmarks, or even moving a card in solitaire. The post...

Pushing code to GitHub is one of the most fundamental interactions that developers have with GitHub every day. Read how we have significantly improved the ability of our monolith to correctly and full...

Learn how GitHub used macOS and Apple Silicon runners for GitHub Actions to build, test, and deploy our iOS app faster. The post How GitHub reduced testing time for iOS apps with new runner features a...