Agent skill · software engineering · alirezarezvani
senior-backend
Build and fix backend services: REST or GraphQL APIs, auth, microservices, PostgreSQL queries, migrations and load tests. Use whenever the user's API is slow or broken, needs login or auth added, a schema change, or a new endpoint or service scaffolded.
Why this skill is useful
Adds 3 executable scripts for API scaffolding, database migration, and load testing that enhance backend development capabilities.
What it needs
Requires python installed locally. About 7k tokens when loaded. Last updated 2026-08-05. 23,939 stars on the source repository.
What this skill does
Senior Backend Engineer Backend development patterns, API design, database optimization, and security practices. --- Quick Start --- Tools Overview 1. API Scaffolder Generates API route handlers, middleware, and OpenAPI specifications from schema definitions. Input: OpenAPI spec (YAML/JSON) or database schema Output: Route handlers, validation middleware, TypeScript types Usage: Supported Frameworks: Express.js (--framework express) Fastify (--framework fastify) Koa (--framework koa) --- 2. Database Migration Tool Analyzes database schemas, detects changes, and generates migration files with rollback support. Input: Database connection string or schema files Output: Migration files, schema diff report, optimization suggestions Usage: --- 3. API Load Tester Performs HTTP load testing with configurable concurrency, measuring latency percentiles and throughput. Input: API endpoint URL and test configuration Output: Performance report with latency distribution, error rates, throughput metrics Usage: --- Backend Development Workflows API Design Workflow Use when designing a new API or refactoring existing endpoints. Step 1: Define resources and operations Step 2: Generate route scaffolding Step 3: Implement business logic Step 4: Add validation middleware Step 5: Generate updated OpenAPI spec --- Database Optimization Workflow Use when queries are slow or database performance needs improvement. Step 1: Analyze current performance Step 2: Identify slow queries Step 3: Generate index migrations Step 4: Test migration (dry-run) Step 5: Apply and verify --- Security Hardening Workflow Use when preparing an API for production or after a security review. …
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills alirezarezvani/senior-backend--59101e