Build robust backend systems with modern technologies (Node.js, Python, Go, Rust), frameworks (NestJS, FastAPI, Django), databases (PostgreSQL, MongoDB, Redis), APIs (REST, GraphQL, gRPC), authentication (OAuth 2.1, JWT), testing strategies, security best practices (OWASP Top 10), performance optimization, scalability patterns (microservices, caching, sharding), DevOps practices (Docker, Kubernetes, CI/CD), and monitoring. Use when designing APIs, implementing authentication, optimizing database queries, setting up CI/CD pipelines, handling security vulnerabilities, building microservices, or developing production-ready backend systems.
/plugin marketplace add GGPrompts/my-plugins/plugin install ggprompts-full-toolkit@GGPrompts/my-pluginsThis skill inherits all available tools. When active, it can use any tool Claude has access to.
references/backend-api-design.mdreferences/backend-architecture.mdreferences/backend-authentication.mdreferences/backend-code-quality.mdreferences/backend-debugging.mdreferences/backend-devops.mdreferences/backend-mindset.mdreferences/backend-performance.mdreferences/backend-security.mdreferences/backend-technologies.mdreferences/backend-testing.mdProduction-ready backend development with modern technologies, best practices, and proven patterns.
Languages: Node.js/TypeScript (full-stack), Python (data/ML), Go (concurrency), Rust (performance) Frameworks: NestJS, FastAPI, Django, Express, Gin Databases: PostgreSQL (ACID), MongoDB (flexible schema), Redis (caching) APIs: REST (simple), GraphQL (flexible), gRPC (performance)
See: references/backend-technologies.md for detailed comparisons
Core Technologies:
backend-technologies.md - Languages, frameworks, databases, message queues, ORMsbackend-api-design.md - REST, GraphQL, gRPC patterns and best practicesSecurity & Authentication:
backend-security.md - OWASP Top 10 2025, security best practices, input validationbackend-authentication.md - OAuth 2.1, JWT, RBAC, MFA, session managementPerformance & Architecture:
backend-performance.md - Caching, query optimization, load balancing, scalingbackend-architecture.md - Microservices, event-driven, CQRS, saga patternsQuality & Operations:
backend-testing.md - Testing strategies, frameworks, tools, CI/CD testingbackend-code-quality.md - SOLID principles, design patterns, clean codebackend-devops.md - Docker, Kubernetes, deployment strategies, monitoringbackend-debugging.md - Debugging strategies, profiling, logging, production debuggingbackend-mindset.md - Problem-solving, architectural thinking, collaborationSecurity: Argon2id passwords, parameterized queries (98% SQL injection reduction), OAuth 2.1 + PKCE, rate limiting, security headers
Performance: Redis caching (90% DB load reduction), database indexing (30% I/O reduction), CDN (50%+ latency cut), connection pooling
Testing: 70-20-10 pyramid (unit-integration-E2E), Vitest 50% faster than Jest, contract testing for microservices, 83% migrations fail without tests
DevOps: Blue-green/canary deployments, feature flags (90% fewer failures), Kubernetes 84% adoption, Prometheus/Grafana monitoring, OpenTelemetry tracing
| Need | Choose |
|---|---|
| Fast development | Node.js + NestJS |
| Data/ML integration | Python + FastAPI |
| High concurrency | Go + Gin |
| Max performance | Rust + Axum |
| ACID transactions | PostgreSQL |
| Flexible schema | MongoDB |
| Caching | Redis |
| Internal services | gRPC |
| Public APIs | GraphQL/REST |
| Real-time events | Kafka |
API: Choose style → Design schema → Validate input → Add auth → Rate limiting → Documentation → Error handling
Database: Choose DB → Design schema → Create indexes → Connection pooling → Migration strategy → Backup/restore → Test performance
Security: OWASP Top 10 → Parameterized queries → OAuth 2.1 + JWT → Security headers → Rate limiting → Input validation → Argon2id passwords
Testing: Unit 70% → Integration 20% → E2E 10% → Load tests → Migration tests → Contract tests (microservices)
Deployment: Docker → CI/CD → Blue-green/canary → Feature flags → Monitoring → Logging → Health checks
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Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, or applications. Generates creative, polished code that avoids generic AI aesthetics.