A look at Shopify’s experience improving state management in the Shopify POS app by migrating from a Vanilla Redux codebase to Redux Toolkit one.

A staff developer is an adaptable engineering leader that's comfortable working with ambiguity.

Passkeys are a new login credential based on public-key cryptography that replace the need for username and password sign-ins.

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.

Learn how Shopify Data built new online inference capabilities into its Machine Learning Platform to deploy and serve models for real-time prediction at scale.

The Ruby LSP is a new language server built at Shopify that makes coding in Ruby even better by providing extra Ruby features for any editor that has a client layer for the LSP. In this article, we’ll cover how we built the Ruby LSP, the features included within it, and how you can install it.

Monkey patching is considered one of the more powerful features of the Ruby programming language. However, by the end of this post I’m hoping to convince you that they should be used sparingly, if at all, because they are brittle, dangerous, and often unnecessary. I’ll also share tips on how to use ...

Let’s talk about technical debt. Let’s talk about practical usable approaches for actually paying it down on a daily, weekly, monthly, and yearly basis. Let’s talk about what debt needs to be fixed now versus what can wait for better planning.

We recently released ShopifyQL Notebooks, a powerful self-serve tool which enables merchants to explore their business metrics without any SQL expertise. Here’s how we used ShopifyQL and commerce data models to make it possible.

While we’re working on getting our Shopify Functions infrastructure ready for the public beta, we thought we’d use this opportunity to shine some light on how we brought JavaScript to WebAssembly, how we made everything fit within our very tight Shopify Function constraints, and what our plans for t...

The intensive data work behind Shopify's Tax Insights feature required building functionality to handle dynamically changing information

The hardest part of writing tests is setting things up. Full test suites have a lot of complicated helper tools, stubs, and fixtures. They’re not easy to understand as a beginner, let alone set up for yourself. This post covers the four things you can do to get started.

Let’s unpack our approach to BFCM Scale Testing to explore some of what it takes to ensure that our ecommerce platform can handle the busiest weekend of the year.

This story looks at the opportunity Dev Degree gave me, the challenges I overcame, and the weaknesses that turned out to be strengths. If you’re thinking about a career in tech, but don’t think you have the stuff for it, this story is for you.

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 (Senior Staff Engineer and leader of the YJIT project) shares the updates that have been made in this newest version of YJIT, and fut...

Good documentation has many benefits, but first and foremost it boosts engineers’ productivity. Here are a few tips to encourage a strong writing culture.

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.

VCR is a Ruby library that records HTTP interactions and plays them back to your test suite, verifying input and returning predictable output. If you're struggling with difficult to maintain mocks, misbehaving APIs or complex multi-step interactions and would like tests that are more reliable, faste...

In 2020, we announced that React Native is the future of mobile at Shopify. As part of that journey, we’ve been migrating Shopify Mobile (our largest app at 300 screens per platform) from native to React Native. Here’s how it’s going.

Shopify is improving CRuby’s performance in Ruby 3.2 by optimizing the memory layout in the garbage collector through the Variable Width Allocation project.

Senior Staff Engineer and Rails core team member Aaron Patterson recaps his favourite Ruby and Rails updates of 2022 and some predictions (okay, so maybe it’s more of a wish list) for 2023.

We encountered a problem that lives in the gap between two tried-and-true GitHub authentication methods: personal access tokens and built-in authentication. Our solution? Build a system to automatically rotate GitHub access tokens. Here’s how we did it and how you can do it too.

Shopify is adopting Rust as our systems programming language, and joining the Rust Foundation.

It’s been around two and a half years since Shopify became a fully remote-first company. James Stanier shares three big learnings that are essential to succeeding remotely.

What do you do with a finite amount of time to deal with an infinite number of things that can go wrong? This post breaks down a high-level risk mitigation process into four questions that can be applied to nearly any scenario in order to help you make the best use of your time and resources availab...