Backend

Kotlin for Backend Development

Kotlin is a great choice for building REST APIs and microservices. Ktor (by JetBrains) and Spring Boot both offer excellent Kotlin support.

Backend Frameworks

Ktor
Lightweight, async framework by JetBrains. Uses coroutines natively.
Spring Boot
Enterprise-grade framework with full Kotlin support and extension functions.

Key Kotlin Concepts for Backend

  • Data classes for DTOs and request/response models
  • Coroutines for non-blocking IO operations
  • Serialization for JSON encoding/decoding
  • Extension functions for cleaner route handlers
  • Sealed classes for error handling

Start Learning

kotlin data classeskotlin coroutines introkotlin null safetykotlin sealed classes