This repository contains a curated sample of 15 high-performance system prompts specifically designed to turn standard LLMs into specialized senior engineering partners.
These prompts are optimized for Claude 3.5 Sonnet, GPT-4o, and DeepSeek V3. They cover the most critical areas of modern software development:
- Next.js & React Architecture: Build scalable, type-safe frontends.
- SQL & Database Design: Generate optimized schemas and migrations.
- Clean Code & Refactoring: Reduce complexity and enforce SOLID principles.
- Scientific Debugging: Trace root causes with precision.
- Security Auditing: Identify OWASP vulnerabilities automatically.
- Open LIBRARY.md to explore the prompts.
- The Architect: System design & API blueprints.
- The Refactorer: Complexity reduction & clean code.
- The Debugger: Root cause analysis.
- The Auditor: Security & compliance.
- Copy your chosen prompt.
- Paste it into the System Prompt of your AI tool (Cursor, Claude, or ChatGPT).
If you find these 15 prompts valuable, you can unlock the complete Senior Dev Prompt Library which includes:
- 100+ Production-Ready System Prompts.
- Specialized Personas: Rust Borrow Checker Guru, Go Microservices Expert, Tailwind UI Specialist, etc.
- Advanced Engineering Guides:
BEST_PRACTICES.md,PROMPT_VERSIONING_GUIDE.md. - Regular Updates & Commercial License.
👉 Get the Full 100+ Prompt Library on Gumroad ($9)
This open-source edition is licensed under the MIT License. We encourage you to use these in your daily workflows and share them with your team!
“Turn your AI from a junior assistant into a senior partner.”