backend-development

REST API design for production requires defining clear endpoints, request/response contracts, and HTTP semantics. This Skill covers REST patterns, versioning strategies, error handling, and best practices to ensure your API is maintainable, scalable, and follows industry standards across Node.js, Python, Go, and Rust.

Modern authentication uses OAuth 2.1, JWT tokens, and role-based access control (RBAC) with multi-factor authentication for sensitive operations. This Skill guides implementing secure session management, authorization schemes, and MFA across your backend to protect user data and enforce least-privilege access.

Database performance optimization involves query indexing, connection pooling, and strategic caching layers. This Skill teaches caching patterns, database query tuning, and performance monitoring techniques to reduce latency and handle high traffic loads in production backends.

OWASP Top 10 covers injection attacks, broken authentication, sensitive data exposure, and other critical risks. This Skill provides secure coding practices, input validation strategies, and security hardening techniques to protect your backend against common vulnerabilities.

CI/CD automation deploys code safely through testing, integration, and release stages. This Skill covers pipeline design, deployment automation, monitoring setup, and observability practices to ensure reliable production deployments across Node.js, Python, Go, and Rust ecosystems.

Microservices and event-driven design enable horizontal scaling and independent service deployment. This Skill teaches microservice patterns, CQRS architecture, asynchronous messaging, and scalability strategies to build systems that grow with demand.