senior-backend

name	senior-backend
description	Comprehensive backend development skill for building scalable backend systems using NodeJS, Express, Go, Python, Postgres, GraphQL, REST APIs. Includes API scaffolding, database optimization, security implementation, and performance tuning. Use when designing APIs, optimizing database queries, implementing business logic, handling authentication/authorization, or reviewing backend code.

Senior Backend

On-demand loading: Read files from references/ and scripts/ only when specific guidance is needed for the current step.

When to Use

• Designing or reviewing REST/GraphQL APIs
• Optimizing database queries or schema
• Implementing auth, validation, or business logic
• Scaffolding new backend services
• Performance tuning or security hardening

NOT for: frontend-only work, infrastructure/DevOps-only tasks.

Available Tools

python scripts/api_scaffolder.py <project-path>      # Scaffold new API service
python scripts/database_migration_tool.py <path>     # Analyze and optimize DB
python scripts/api_load_tester.py --analyze          # Load test endpoints

Reference Documentation (load on demand)

File	When to read
references/api_design_patterns.md	API design decisions, REST/GraphQL patterns
references/database_optimization_guide.md	Query optimization, indexing, migrations
references/backend_security_practices.md	Auth, input validation, security hardening

Tech Stack: Node.js/Express, Go, Python, PostgreSQL, Prisma, GraphQL, Docker, AWS/GCP/Azure

Related skills

• nodejs-backend-patterns: Node.js-specific patterns (Express/Fastify/NestJS middleware, error handling, caching) with full code examples; prefer it when the stack is Node.js