Design Patterns in Kotlin Complete Guide and Professional Practices for Scalable Architecture, Modern Kotlin Apps, and Clean Code Design

Master the Craft of Modern Kotlin Development with Scalable Architecture, Clean Code, and Proven Design Patterns

Whether you're building microservices with Spring Boot, APIs with Ktor, or architecting cross-platform Kotlin apps, this comprehensive guide delivers everything you need to write professional, maintainable, and scalable software using modern Kotlin.

Design Patterns in Kotlin offers a practical, expert-level exploration of the design patterns and architectural principles used by top-performing software engineers and teams. This is more than just a reference-it's a hands-on blueprint for crafting production-grade Kotlin systems aligned with industry best practices.

• Implement creational, structural, and behavioral design patterns the idiomatic Kotlin way

• Build scalable architectures using Clean Architecture, Hexagonal Architecture, and CQRS

• Leverage coroutines, Flow, and structured concurrency for high-performance backend systems

• Apply patterns in real-world projects using Ktor and Spring Boot frameworks

• Create testable and modular code with Repository, Service, and Use Case abstractions

• Avoid common anti-patterns and legacy design traps that slow down development

• Follow practical examples of domain-driven design, dependency injection, and microservice patterns

Each chapter includes up-to-date, well-documented code examples and implementation strategies based on real-world use cases. Every function, class, and pattern is carefully explained-ideal for Kotlin developers who want to confidently build apps that scale.

Stokes J. Harrett is a seasoned Kotlin engineer and architecture consultant with over a decade of experience building enterprise-grade systems, backend APIs, and scalable solutions across finance, e-commerce, and mobile-first platforms. His work is trusted by professionals worldwide for its clarity, depth, and real-world application.

Kotlin has evolved far beyond Android. In today's software ecosystem, Kotlin powers full-stack development, cloud-native applications, and cross-platform systems. This book meets developers at the intersection of architecture, maintainability, and modern Kotlin tooling-delivering practical insights for today's and tomorrow's development challenges.

• Kotlin backend developers

• Software architects and senior engineers

• Java developers transitioning to Kotlin

• Teams adopting Clean Architecture or domain-driven design

• Anyone building scalable, modern apps using Kotlin

If you're serious about writing maintainable Kotlin code and building professional systems that scale, Design Patterns in Kotlin is your definitive guide.

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