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Shopify is moving from React Native back to Swift and Kotlin
Coding agents changed what it costs to build mobile apps twice. Here’s why Shopify is moving from React Native back to Swift and Kotlin.
Shopify Engineering
Shopify powers millions of businesses in more than 175 countries with essential commerce infrastructure. Our engineers and developers work on challenging and impactful projects spanning frontend, backend, mobile and data.
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Visit shopify.engineering → RSS feedOn Hacker News Nov 2020 – Sep 2026
Software Engineering 16Web & Frontend 8Programming Languages 4Databases & Data 3Tools & Productivity 1Systems & Performance 1
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Ruby 3.2’s YJIT is Production-Ready
YJIT, a just-in-time (JIT) implementation on top of CRuby built at Shopify, is now production-ready and delivering major improvements to performance and speed. Maxime shares the updates that have been made in this newest version of YJIT, and future plans for further optimization.
3
We replaced Redis with MySQL for inventory reservations and it scaled
How we used SKIP LOCKED, composite primary keys, and connection visibility to hit our scale targets.
4
Five years of React Native at Shopify
Five years ago, we announced that React Native (RN) is the future of mobile at Shopify. Today, we are excited to share the progress we've made, lessons learned, and what the future holds. To recap, we decided to switch to RN for 3 main reasons: Write it once - Stop building the same features twice, once on iOS and…
5
Lessons learned from running Apache Airflow at scale
Shopify shares some of the lessons we learned and solutions we built in order to run Airflow at scale.
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How Shopify Uses WebAssembly Outside of the Browser
At Shopify, we’re keeping the flexibility of untrusted Partner code, but executing it on our own infrastructure with WebAssembly.
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Shopify's Data Science and Engineering Foundations (2020)
Shopify’s Data team uses these foundational approaches to data warehousing and analysis empowering us to deliver the best results for our ecosystem.
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Lessons From Linguistics: i18n Best Practices for Front-End Developers
Here are a few internationalization (i18n) best practices to help front-end developers avoid errors and serve more robust text content on multilingual websites and apps.
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How to Build a Web App with and Without Rails Libraries
Ruby on Rails is a web framework that contains many libraries you’d need to create and deploy a successful web application. We often take for granted the ability to run rails new to create a fully functional web application with tons of built-in features.
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Shopify invests in research for Ruby at scale
Shopify is investing on Ruby on Rails at scale by funding high-profile academics to focus their work towards Ruby and the needs of the Ruby community.
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Our Experience Porting the YJIT Ruby Compiler to Rust
In this post, I want to give a nuanced perspective on our experience porting YJIT from C to Rust. I'll talk about the positives, but also discuss the things that we found challenging or suboptimal in our experience.
12
How we built the Black Friday Cyber Monday 2023 globe
Every year for Black Friday Cyber Monday (BFCM), we put together a real-time visualization of purchases made through Shopify-powered merchants worldwide. This year we're cooking up something big, and in anticipation we wanted to show you how we built the globe last year. Video of BFCM 2023 Globe Besides going for…
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How we built Hydrogen, a React framework for building custom storefronts
We’ve been building Hydrogen for more than a year. Here’s a look behind the scenes at how we did it, what we learned from making big bets, and what it was like building a new framework from the ground up on experimental technology.
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Static Typing for Ruby: Adopting Sorbet at Scale
A look at how Shopify adopted static typing in it's core Ruby monolith by treating type checking like a product.
15
Tips for Shipping Data Products Fast
Shipping a new data-centric product is hard, and under tight time constraints it's even harder. Here are 4 tips that are proven to help you ship new products fast.
16
Migrating to React Native's new architecture
Shopify successfully migrated two of its largest apps, Shopify Mobile and Shopify Point of Sale (POS) to React Native's New Architecture while maintaining weekly releases and serving millions of merchants. This migration involved a complex codebase with hundreds of screens and native modules, extensive custom…
17
From Ruby to Node: Overhauling Shopify’s CLI for a better developer experience
In this blog post, Pedro explains why we rewrote Shopify CLI into Node instead of Ruby, the tradeoffs that came with the decision, the principles we embraced in this new iteration, and the challenges and ideas ahead of us to explore.
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Evaluating Search Algorithms
The three-step framework Shopify's Data Science & Engineering team built for evaluating new search algorithms.