👋 Welcome to My GitHub!
I'm Hamza Saeed, a Backend-focused Software Engineer with 4+ years of experience building scalable, reliable systems using Node.js, AWS, and modern databases. I enjoy solving real-world production issues, optimizing performance, and designing clean backend architectures.
- ⚙️ Building scalable backend services with **Node.js & Express & NestJs **
- ☁️ Working with AWS Serverless (Lambda, SNS, SES, Cognito)
- 🧠 Improving system performance & debugging production issues
- 🧪 Writing clean, testable code with Jest
- 📚 Documenting systems & mentoring through knowledge sharing
| Project Name | Description | Tech Stack |
|---|---|---|
| Node REST API Boilerplate | 🔐 Production-ready REST API with auth, roles & tests | Node.js, Express,NestJs, PostgreSQL, Sequelize |
| Serverless Notification System | ☁️ Event-driven notifications using AWS services | AWS Lambda, SNS, SES, Cognito |
| Smart Locker Backend | 📦 Backend APIs for smart delivery lockers | Node.js, AWS, PostgreSQL |
| PostgreSQL Optimization Demo | ⚡ Query optimization & performance tuning | PostgreSQL, Sequelize |
| Production Issue Case Studies | 🛠 Real-world debugging & fixes | Node.js, AWS |
JavaScript • TypeScript • Python
Node.js • Express.js • Nest.js • REST APIs • WebSockets
PostgreSQL • MySQL • MongoDB
AWS (Lambda, SNS, SES, Cognito) • Docker • Jenkins
Jest • Git • VS Code • Sequelize ORM
React.js
- Designed and maintained AWS serverless backends
- Handled 2,000+ daily API requests
- Resolved critical production issues across web & mobile apps
- Worked directly with customers to improve system reliability
- Created internal documentation to boost team efficiency
- 📧 Email: hamzasaeed4689@gmail.com
- 💼 LinkedIn: https://linkedin.com/in/hamza-saeed-214044173
- 🧑💻 Whatspp: +923009877314
“Build reliable systems. Fix real problems. Keep learning.”