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The best problem-solving writing in software engineering — databases, performance, security, frontend and distributed systems, in one feed.

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Engineering — What if we rotate pairs every day?

What if we rotate pairs every day?

Benefits of pair programming are widely accepted but advice around pair rotation remains controversial. When and how frequently should teammates rotate pairs? And… What if we rotate pairs every day? We worked with three teams through an exercise of daily pair rotation. We developed a lightweight methodology to help teams reflect on the benefits and challenges of pairing and how to solve them. Init

GRGabriel Robaina and Kieran Murphy·March 6, 2024Engineering
Distributed — Behind AWS S3’s Massive Scale

Behind AWS S3’s Massive Scale

This is a guest article by Stanislav Kozlovski, an Apache Kafka Committer. If you would like to connect with Stanislav, you can do so on Twitter and LinkedIn. AWS S3 is a service every engineer is familiar with. It’s the service that popularized the notion of cold-storage to the world of cloud. In essence - a scalable multi-tenant storage service which provides interfaces to store and retrieve obj

BByteByteGoByteByteGo·March 6, 2024Distributed
Security — Making messaging interoperability with third parties safe for users in Europe

Making messaging interoperability with third parties safe for users in Europe

To comply with a new EU law, the Digital Markets Act (DMA), which comes into force on March 7th, we’ve made major changes to WhatsApp and Messenger to enable interoperability with third-party messaging services. We’re sharing how we enabled third-party interoperability (interop) while maintaining end-to-end encryption (E2EE) and other privacy guarantees in our services as […]

CWChris Wiltz·March 6, 2024Security
Languages — The End Of My Gatsby Journey — Smashing Magazine

The End Of My Gatsby Journey — Smashing Magazine

[“Gatsby headaches”](https://www.smashingmagazine.com/2023/06/gatsby-headaches-i18n-part-1/) are over. Juan Diego Rodríguez reflects on his decision to stop using Gatsby as his go-to framework. Through a detailed examination of its strengths and weaknesses, he provides valuable insights and alternative options for developers navigating their tooling choices.

JDJuan Diego RodriguezJuan Diego Rodriguez·March 6, 2024Languages
Security — Protecting APIs with JWT Validation

Protecting APIs with JWT Validation

Cloudflare customers can now protect their APIs from broken authentication attacks by validating incoming JSON Web Tokens (JWTs) with API Gateway

JCJohn CosgroveJohn Cosgrove·March 5, 2024Security
Engineering — Patterns of Legacy Displacement

Patterns of Legacy Displacement

When faced with the need to replace existing software systems, organizations often fall into a cycle of half-completed technology replacements. Our experiences have taught us a series of patterns that allow us to break this cycle, relying on: a deliberate recognition of the desired outcomes of displacing the legacy software, breaking this displacement in parts, incrementally delivering these parts

ICIan Cartwright, Rob Horn, and James Lewis·March 5, 2024Engineering
Performance — Improving Shopify App’s Performance - Shopify

Improving Shopify App’s Performance - Shopify

As an integral part of Shopify's ecosystem, our mobile app serves millions of merchants around the world every single day. It allows them to run their business from anywhere and offers vital insights about store performance, analytics, orders, and more. Given its high-engagement nature, users frequently return to it, underscoring the importance of speed and efficiency. At the beginning of 2023, we

SEShopify Engineering·March 5, 2024Performance