Engineering Blogs

In 2025, solo founders in the top decile generated 61 times the revenue of the median solo founder in their first six months. We analyzed the data to understand what drives that gap....

Radar now blocks high-risk transactions across all supported payment methods; defends against new fraud types like multi-account abuse and pay-as-you-go abuse, regardless of which payment processor yo...

We’re introducing SilverTorch, a reimagining of recommendation systems that unifies all retrieval components for user generated content under a unified architecture.  SilverTorch shows up to 23.7x hig...

Authors (listed alphabetically)Ads Feature Engineering Infra team: Ajay Venkatakrishnan, Le ZhangCore ML Infra team: Eric Shang, Pihui WeiML Data team: Connor Votroubek, Yi HeUser Understanding team: ...

How Airbnb shifts from PaaS to an internal knowledge graph infrastructure at scale.By: Lucen Zhao, Shukun Yang, Ashish JainKnowledge graphs offer a natural and powerful way to represent relationships ...

TL;DR  LLM evals, automated judges that assess relevance, coherence, and quality at scale, are a powerful new... The post Better Experiments with LLM Evals — A funnel, not a fork appeared first on Spo...

How the GitHub Issues team used client-side caching, smart prefetching, and service workers to make navigation feel instant. The post From latency to instant: Modernizing GitHub Issues navigation perf...

Moving from an internal tool to a community-driven, production-ready data mesh.By: Ryan Tanner, Raymie Stata, Adam MiskiewiczIntroductionWe’re excited to announce the 1.0 release of the Viaduct. This ...

On its face the new Friend Bubbles feature looks simple enough. It highlights Reels your friends have watched and reacted to. But sometimes the features that seem the most straightforward require the ...

An Engineer’s Guide to Better AI Skills: Implementing a Testing Process to Optimize Agent Performance in Any Repository or SkillAuthor: Daniel ReedThe tech industry is currently seeing a massive overh...

Meta’s data ingestion system, which our engineering teams leverage for up-to-date snapshots of the social graph, has recently undergone a significant revamp to enhance its reliability at scale.  Movin...

We’re rolling out version 1.1 of Labyrinth, the encrypted storage system and protocol that secures messages and history on Messenger. Labyrinth 1.1 enhances the reliability of end-to-end encrypted bac...

AI is forcing platforms to expand beyond pure software. See how vertical SaaS platforms are using payments, financial services, and agentic commerce to build more durable businesses....

Huiqin Xin | Machine Learning Engineer II, Ads Vertical Modeling; Lakshmi Manoharan | Senior Machine Learning Engineer, Ads Vertical Modeling; Karthik Jayasurya | Staff Machine Learning Engineer, Ads ...

Designing monitoring that works when everything else doesn’t.By: Abdurrahman J. AllawalaIntroductionWhen an incident hits, teams lean on observability to answer the only questions that matter: what’s ...

Guangtong Bai | Staff Software Engineer, Product ML Infrastructure*; Shantam Shorewala | Software Engineer II, Product ML Infrastructure*; Chi Zhang | Staff Software Engineer, AI Platform*; Neha Upadh...

The HSM-based Backup Key Vault Meta’s HSM-based Backup Key Vault provides the foundation for end-to-end encrypted backups for WhatsApp and Messenger. The system allows people to protect their ba...

Turning OpenAPI spec and Markdown files into a conversational ads management tool — no compiled code required. The post Building a Natural Language Interface to the Spotify Ads API with Claude Code Pl...

Link’s wallet for agents gives agents programmatic access to Link, including the ability to generate a one-time-use card or Shared Payment Token (SPT) backed by the cards and bank accounts already in ...

We’re making Stripe even more programmable; protecting and propelling your business with the strength of the Stripe network; and building economic infrastructure for AI....

How Airbnb built a lightweight workflow engine to solve durable execution.By: Ricardo Gamba, Andriy SergiyenkoIntroduction: The durable execution problemPicture this hypothetical flow: A host submits ...

Authors: Richard Huang | Machine Learning Engineer II; Yu Liu | Senior Machine Learning Engineer; Ziwei Guo | Senior Machine Learning Engineer; Andy Mao | Staff Machine Learning Engineer; Supeng Ge | ...

How we used Honk, Backstage, and Fleet Management to ease the pain of migrating thousands of datasets. The post Background Coding Agents: Supercharging Downstream Consumer Dataset Migrations (Honk, Pa...

How we built a storage system that ingests 50 million samples per second and stores 2.5 petabytes of logical time series data.By: Rishabh KumarModern observability practice encourages instrumenting ev...

We’ve fundamentally transformed Facebook Groups Search to help people more reliably discover, sort through, and validate community content that’s most relevant to them. We’ve adopted a new hybrid retr...

Shanhai Liao | Senior Software Engineer, Content Acquisition and Media Platform; Di Ruan, | Senior Staff Software Engineer, Content Acquisition and Media Platform; Evan Li, | Senior Engineering Manage...

We’re sharing insights into Meta’s Capacity Efficiency Program, where we’ve built an AI agent platform that helps automate finding and fixing performance issues throughout our infras...

Learn how Github uses eBPF to detect and prevent circular dependencies in its deployment tooling. The post How GitHub uses eBPF to improve deployment safety appeared first on The GitHub Blog. ...

We’re sharing lessons learned from Meta’s post-quantum cryptography (PQC) migration to help other organizations strengthen their resilience as industry transitions to post-quantum cryptography standar...

Vaibhav Shankar; Staff Software Engineer | Raymond Lee; Staff Software Engineer | Chia-Wei Chen; Staff Software Engineer | Shunyao Li; Sr. Software Engineer | Yi Li; Staff Software Engineer | Ambud Sh...

Discover how Airbnb prioritizes user privacy while building a more connected community, empowering guests to engage socially, connect confidently, and maintain control of their personal data.By: Joy J...

Authors: Matt Lawhon | Sr. Machine Learning Engineer; Filip Ryzner | Machine Learning Engineer II; Kousik Rajesh | Machine Learning Engineer II; Chen Yang | Sr. Staff Machine Learning Engineer; Saurab...

At Meta, WebRTC powers real-time audio and video across various platforms. But forking a large open-source project like WebRTC within our monorepo presents unique challenges – over time, an internal f...

Author: Lin Wang (Android Performance Engineer)Default FeatureFor mobile apps, performance is considered as the “default feature”, which means apps are expected to run fast and be responsive. It’s jus...

A production-tested approach for moving a large-scale metrics pipeline from StatsD to OpenTelemetry and Prometheus.By: Eugene Ma, Natasha AleksandrovaWhen migrating to a new monitoring system, you’ll ...

Homefeed: Jiacong He, Dafang He, Jie Cheng (former), Andreanne Lemay, Mostafa Keikha, Rahul Goutam, Dhruvil Deven Badani, Dylan WangContent Quality: Jianing Sun, Qinglong ZengML Serving: Li TangIntrod...

We analyzed checkout activity across more than 20K businesses, surveyed shoppers and ecommerce leaders, and gathered insights from businesses on the Stripe network to understand what’s changing in onl...

AI agents are transforming the way we build — and even how we think of ourselves as software developers. Both... The post Let’s Talk Agentic Development: Spotify x Anthropic Live appeared first on Spo...

The path to better performance is often found in simplicity. The post The uphill climb of making diff lines performant appeared first on The GitHub Blog. ...

Jonathan Woodard knows defense. After playing professional football as a defensive end for six years, Jonathan knew he wanted a career where he could always face new challenges, learn new skills, and ...

Retailers know search and discovery have already shifted. What comes next is less settled. From embedded checkout to emerging third-party surfaces, here’s how ecommerce and AI leaders are integrating ...

I used coding agents to build agents that automated part of my job. Here's what I learned about working better with coding agents. The post Agent-driven development in Copilot Applied Science appeared...

How Airbnb built forecasting models resilient enough to survive a global pandemic and whatever shock comes next.By: Harrison KatzThe week everything brokeIn March 2020, the forecasting models that had...

Radar now helps prevent free trial abuse with just one click. When enabled, Radar predicts the presence of abusive behavior that violates common trial terms, such as repeated trial signup or missed ca...

The most sophisticated fraud teams are shifting from one-size-fits-all fraud approaches to more dynamic, tailored interventions. They are removing friction for trusted users, embedding fraud detection...

Adaptive Pricing is now available for subscriptions, allowing businesses to automatically localize prices in 150+ countries while Stripe handles currency conversion. In an A/B test across 1.5 million ...

How a complex, large-scale migration to an in-house observability platform led to superior tooling, consistent data, and a fundamental reset of the developer experience.By: Callum Jones, Rong HuObserv...

What if we could identify interesting listening moments from your year, and tell you a story about them? The post Inside the Archive: The Tech Behind Your 2025 Wrapped Highlights appeared first on Spo...

AI automates triage for accessibility feedback, allowing us to focus on fixing barriers—turning a chaotic backlog into continuous, rapid resolutions. The post Continuous AI for accessibility: How GitH...

Here's how we made the search experience better, faster, and more resilient for GHES customers. The post How we rebuilt the search architecture for high availability in GitHub Enterprise Server appear...

Learn how GitHub built an accessible, multi-terminal-safe ASCII animation for the Copilot CLI using custom tooling, ANSI color roles, and advanced terminal engineering. The post From pixels to charact...

User feedback led us to clean up outdated mitigations. See why observability and lifecycle management are critical for defense systems. The post When protections outlive their purpose: A lesson on man...

GitHub is introducing post-quantum secure key exchange methods for SSH access to better protect Git data in transit. The post Post-quantum security for SSH access on GitHub appeared first on The GitHu...

Our best practices for quickly identifying, resolving, and preventing issues at scale. The post How GitHub engineers tackle platform problems appeared first on The GitHub Blog. ...