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pronazmul/README.md

🚀 Nazmul Huda — Full Stack Engineer (MERN | SaaS | AI Systems)

👋 About Me

I am a Full Stack Engineer specializing in building scalable, production-grade SaaS platforms using the MERN stack.
My focus goes beyond traditional web development — I design systems with multi-tenancy, security, extensibility, and AI readiness at their core.

I approach every project as a long-term product, not just a feature implementation.

🧠 What I Do

I design and develop end-to-end SaaS architectures with a strong emphasis on scalability, security, and developer extensibility.

🔹 SaaS Platform Engineering

  • Multi-tenant architecture (organization/workspace-based systems)
  • Subscription & billing system design
  • API-first backend architecture
  • Feature gating based on plans & entitlements

🔹 Backend Systems & API Development

  • Scalable REST APIs using Node.js & Express
  • Clean architecture (controller → service → repository)
  • Schema validation with Zod
  • Secure authentication (JWT access + refresh tokens)

🔹 Authorization & Security

  • Role-Based Access Control (RBAC)
  • Attribute-Based Access Control (ABAC)
  • Tenant isolation & permission enforcement
  • API key systems with scoped access

🔹 AI & Automation Systems

  • AI chatbot integration (role-based + LLM-ready)
  • Workflow automation (n8n, event-driven systems)
  • AI-ready backend architecture for future agent systems

🔹 DevOps & Infrastructure

  • Dockerized applications
  • CI/CD pipelines (Jenkins)
  • Cloud deployment (AWS EC2, S3)
  • Reverse proxy & server optimization (Nginx, Linux)

🧰 Tech Stack

👨‍💻 Frontend

  • React.js + TypeScript (strict mode)
  • Redux Toolkit + RTK Query
  • Tailwind CSS
  • React Hook Form + Zod

⚙️ Backend

  • Node.js + Express.js (TypeScript)
  • MongoDB + Mongoose
  • Zod validation across API boundaries
  • JWT Authentication (Access + Refresh)

☁️ DevOps & Infrastructure

  • Docker
  • Jenkins (CI/CD)
  • AWS (EC2, S3, PM2, RDBMS)
  • Nginx
  • Linux Server Administration

📬 Contact

💡 Final Note

I focus on building robust, scalable, and future-ready systems — not just applications.

My goal is to deliver software that is:

  • Maintainable
  • Secure
  • Extensible
  • Ready for AI integration

If you're working on a serious product or SaaS idea, I bring both engineering depth and system-level thinking to the table.

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