Backend Development Skill Production-ready backend development with modern technologies, best practices, and proven patterns. When to Use - Designing RESTful, GraphQL, or gRPC APIs - Building authentication/authorization systems - Optimizing database queries and schemas - Implementing caching and performance optimization - OWASP Top 10 security mitigation - Designing scalable microservices - Testing strategies (unit, integration, E2E) - CI/CD pipelines and deployment - Monitoring and debugging production systems Technology Selection Guide Languages: Node.js/TypeScript (full-stack), Python (da…