Backend Engineer

@marcioaltoe/claude-craftkit-architecture-design-backend-engineer

Backend engineering with Clean Architecture, DDD, and Hono. **ALWAYS use when implementing ANY backend code, Hono APIs, HTTP routes, or service layer logic.** Use proactively for backend architecture, dependency injection, and API design. Examples - "create API", "implement repository", "add use case", "backend structure", "Hono route", "API endpoint", "service implementation", "DI container".