Clear notes for people who like to understand how software works.

Learn how PRDs, TRDs, design skills, project documentation, and Playwright testing turn AI coding agents into a reliable software engineering process.

A practical guide to communicating with developers, product, QA, design, DevOps, and managers—and escalating technical problems at the right time.

A practical guide to structuring modern Android projects with Kotlin, Jetpack Compose, ViewModel, Flow, repositories, testing, modularization, and CI/CD.

A practical guide to preparing for Android technical interviews, from Kotlin and Compose to architecture, debugging, system design, testing, and communication.

A practical guide to structuring modern iOS applications with Swift, SwiftUI, Swift Concurrency, state management, networking, persistence, testing, modularization, and CI/CD.

A practical guide to preparing for modern iOS engineering interviews, covering Swift, SwiftUI, UIKit, concurrency, architecture, testing, production debugging, performance, and realistic technical interview questions with sample answers.