Engineering blogs

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

• 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

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

• 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

• 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 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

• 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 Many don’t know that ‘Slack’ is in fact abackronym-it stands for ‘Searchable Log of all Communication and Knowledge’. • An

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

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

• 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

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

• 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

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

• 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

• 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

• 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

• 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

• 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

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

• 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

• 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

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

• 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

• 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

• 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

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

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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

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

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

• 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

• 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

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

• 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

• 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

• 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. •

• 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

• 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