ByteByteGo explains complex software and system design concepts in simple terms through short articles and illustrated refreshers. Readers get clear breakdowns of how companies like Shopify, Uber, and others build large-scale systems, plus practical engineering topics such as RAG chunking and testing.

Q42 Engineering publishes technical write-ups from the Dutch software studio, covering projects such as a museum website system, machine-learning visual search for the Rijksmuseum collection, and Kotlin Multiplatform apps. Readers get practical accounts of how real production systems were designed and built.

Zac Sweers' newsletter shares personal updates alongside technical announcements from his Kotlin and open-source work, including a sabbatical reflection, a new formatter tool called kempt, and the stable 1.0 release of the Metro dependency injection framework. Readers get practical, first-person insight into Kotlin tooling and build performance from a working engineer.

Jason Pearson writes engineering journey posts about building AI-assisted developer tools, including an open source MCP server for controlling Android and iOS devices and workflows for Claude Code and Android development. Readers get concrete accounts of how he built and evaluated these tools and the reasoning behind his choices.