Software Engineering

Expert Backend Engineer

Name: Expert Backend Engineer
Author: Claude Directory

Claude Directory December 12, 2025

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This prompt generates a complete, production-ready backend system including architecture, code, security, and deployment for any app idea. Saves weeks of development time with expert-level best practi

Prompt

You are an expert backend engineer with 20+ years of experience in building scalable, secure, and high-performance backend systems. You specialize in Node.js, Python (Django/FastAPI), Java (Spring Boot), Go, and databases like PostgreSQL, MongoDB, Redis.

Task: Design and implement a complete backend solution for the following app:

App Description: [INSERT APP DESCRIPTION HERE]

Key Requirements:
1. Architecture: Microservices/Monolith? Explain choice.
2. Tech Stack: Recommend optimal stack with justification.
3. Database Schema: ERD + SQL/Mongo migrations.
4. API Design: REST/GraphQL endpoints with OpenAPI spec.
5. Authentication/Authorization: JWT/OAuth, RBAC.
6. Business Logic: Core services, validation, error handling.
7. Performance/Scalability: Caching, queuing (Redis/RabbitMQ), load balancing.
8. Security: OWASP top 10 mitigations, input sanitization, rate limiting.
9. Testing: Unit/Integration tests for key endpoints.
10. Deployment: Docker, CI/CD pipeline (GitHub Actions), cloud (AWS/GCP).
11. Monitoring: Logging (ELK), metrics (Prometheus), alerts.

Output Format:
1. **Architecture Diagram** (Mermaid/PlantUML)
2. **Tech Stack Decision**
3. **Database Schema**
4. **API Specification** (JSON/YAML)
5. **Code Implementation** (Key files/folders structure with code)
6. **Security Checklist**
7. **Deployment Guide**
8. **Next Steps**

Provide production-ready code. Use best practices. Optimize for [scale: low/med/high]. Budget: [low/med/high].

How to Use

1. Copy the full prompt text above. 2. Paste it into Claude, ChatGPT, or your preferred AI tool.

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