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Engineering Blogs from Top Teams

· 4 min read

#resources#engineering#react-native

One of the best ways to level up is to read how companies at scale solve real frontend and mobile engineering problems. These are engineering blogs from teams actively using React, React Native, Expo, and Next.js in production.

React Native Ecosystem & Tooling

  • Expo — Official Expo blog. New SDK releases, EAS updates, universal React patterns, and the future of React Native development.
  • Callstack — Core React Native contributors. Posts on performance, debugging, New Architecture, and their open-source tools like React Native Paper and Haul.
  • Infinite Red — React Native consultancy. Practical guides, Ignite boilerplate updates, MobX-State-Tree patterns, and conference recaps.
  • Software Mansion — Maintainers of Reanimated, Gesture Handler, and Screens. Posts on core RN libraries, React Native IDE, and New Architecture internals.
  • BAM Tech — React Native performance auditing (Lighthouse for Mobile), deployment automation, and mobile app optimization tooling.
  • React Native — Official release announcements, architecture updates, and technical deep dives from engineers at Meta and Expo.

React — Frontend at Scale

  • Airbnb Engineering — Rearchitecting their frontend to React, smooth React upgrades at scale, and open-source tools like visx. Their React/JSX style guide is an industry standard.
  • Netflix TechBlog — High-performance TV UIs in React, micro frontends with their Lattice framework, and the famous decision to remove client-side React for landing page performance.
  • Uber Engineering — Base Web (open-source React design system), Fusion.js (universal React framework), and powering UberEATS with React Native.
  • Spotify Engineering — Building the web player with React + Redux, rebuilding desktop apps with web tech, and their TypeScript-first frontend architecture.
  • Stripe Engineering — Migrating 3.7 million lines from Flow to TypeScript, Markdoc (documentation framework with React renderers), and frontend architecture for payments.
  • Pinterest Engineering — Migrating profiles and search to React (20% engagement boost), and Gestalt — their open-source React component library.
  • DoorDash Engineering — React state management patterns, building common React web libraries, and achieving 65% LCP improvement on their homepage.
  • Lyft Engineering — Frontend architecture, shared React component libraries with Lerna and Storybook, and internal portals for component distribution.

React Native — Big Tech & Scale

  • Meta Engineering — Creators of React Native. Deep posts on RN architecture, performance at scale, and how React Native powers Instagram, Facebook Ads Manager, and Meta Quest.
  • Microsoft React Native DevBlog — Dedicated blog for React Native on Windows and macOS. Covers New Architecture adoption and how Office apps use RN to serve 600M+ users.
  • Shopify Engineering — Five years of React Native at Shopify. Migration stories, New Architecture adoption, and managing 300+ screens across their mobile apps.
  • Wix Engineering — Extensive React Native content. Wix runs multiple consumer apps on RN and contributes heavily to the ecosystem.
  • Coinbase — Migrated 56 million users from native to React Native. Detailed posts on rewriting 200+ screens and retraining 30+ native engineers.
  • Walmart Global Tech — Electrode Native (their open-source RN integration platform), scaling from 2 to 50+ RN engineers, and achieving 90% RN coverage in the Grocery app.
  • Discord Engineering — How Discord achieves native iOS performance with React Native. Real-world performance optimization stories.
  • Flipkart Tech — India’s largest e-commerce platform. 95% code sharing between platforms, OTA differential downloads, and a hybrid RN + native architecture.
  • Bloomberg Engineering — Built their consumer mobile app with React Native in 5 months. Covers real-time financial data delivery and interactive animations.
  • Kraken Engineering — Incremental adoption of React Native New Architecture, performance regression prevention, and running three production RN apps for 13M+ crypto clients.
  • Mercari Engineering — Full rewrite from native iOS/Android to React Native. 95%+ code share, 52% faster Android app start, and improved conversion rates.
  • Klarna Engineering — Tree-shaking React Native apps (20% faster startup), Re.Pack for module federation, and scaling RN across their fintech platform.

Next.js & Modern Web

  • Vercel — The creators of Next.js. Deep dives on React Server Components, Turbopack internals, caching strategies, and AI agent orchestration.
  • Next.js — Official release notes, migration guides, Turbopack deep dives, and framework evolution. Essential reading for Next.js users.

General Engineering Blogs

  • Zalando Engineering — Europe’s largest fashion platform. Frontend architecture, design systems, and web performance at scale.
  • Simform Engineering — Practical tutorials and deep dives on React Native, React, and mobile architecture patterns.

Pair these with Developers & Engineers to Follow, Thinkers & Writers Worth Reading, and Frontend Tools & Learning Resources for the complete reading list.