Essential backend engineering concepts that every developer should understand for building robust, scalable, and maintainable systems.

A comprehensive explanation of Apache ZooKeeper architecture and how it enables distributed coordination

A clear explanation of the Observer Pattern, when to use it, and how it helps decouple your code by implementing a publish-subscribe model.

A comprehensive guide to critical database concepts that power modern applications and ensure data reliability.

A comprehensive guide to essential Git concepts that every developer needs to understand for effective version control.

Learn how to design a scalable real-time messaging system with end-to-end encryption like WhatsApp.

An inside look at how MongoDB stores and processes data differently from traditional relational databases

A behind-the-scenes look at the complex processes that happen in seconds when a user signs up