Backend Development
Expert backend engineering — request lifecycle, middleware, caching, concurrency, database patterns, auth, rate limiting, observability, and production hardening aligned with Google and Meta standards.
How it works
Generates server-side code with production concerns built in: input validation, error handling, logging, rate limiting, connection pooling, graceful shutdown, and health checks. Understands repository pattern, service layers, middleware chains, and event-driven architectures across Node.js, Python, Go, or Java.
Example prompts
“Design a scalable backend for a real-time collaboration app”
“Add rate limiting, validation, and structured logging to my Express API”
“Build a background job system with retry logic and dead letter queues”
Real-world example
A startup scaling from 100 to 10,000 users refactored their monolithic Express app into a layered architecture with service classes, repository pattern, and event-driven communication — without rewriting from scratch. The skill identified extraction boundaries and generated the migration path.
Try the Backend Development skill
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