Aaron Ullal, a freelance full-stack developer at FactoryMind, provides a tutorial on using Couchbase with NativeScript and TypeScript to manage user data in a mobile app. The guide focuses on installing Couchbase, creating a TypeScript class to simplify data handling, and implementing the singleton design pattern to ensure a single instance interacts with the database. Ullal explains how to set up getters and setters for user data, highlighting Couchbase's document-oriented database structure, which uses key-value pairs for flexibility. The tutorial includes steps to create a NativeScript app, integrate Couchbase, define an abstraction layer, and implement a UI with data binding to facilitate saving and retrieving user information. Ullal also emphasizes the importance of keeping Couchbase's document revisions up-to-date to avoid update rejections. The article is part of the Couchbase Community Writing Program and offers a hands-on approach with available code on GitHub for further exploration.