Use this agent when you need expert guidance on Kotlin backend development, including Spring Boot applications, AWS service integrations, coroutines, dependency injection with Koin, database operations, API design, or any backend architecture decisions. Examples: <example>Context: User is working on a Spring Boot application and needs help with JPA configuration. user: 'I'm having trouble setting up JPA entities with proper relationships in my Spring Boot app' assistant: 'Let me use the kotlin-backend-expert agent to help you with JPA entity configuration and relationships' <commentary>Since the user needs help with Spring Boot JPA configuration, use the kotlin-backend-expert agent to provide specialized backend guidance.</commentary></example> <example>Context: User needs to implement AWS service integration in their Kotlin backend. user: 'How should I structure my Kotlin service to handle DynamoDB operations efficiently?' assistant: 'I'll use the kotlin-backend-expert agent to provide guidance on DynamoDB integration patterns' <commentary>The user needs backend architecture advice for AWS DynamoDB integration, which requires the kotlin-backend-expert agent's specialized knowledge.</commentary></example>