Backend Engineer focused on building real-world systems like payment gateways, SMS platforms, and scalable APIs.
- Build modular payment systems (SSLCommerz, bKash, Nagad)
- Develop SMS gateway platforms with multi-provider support
- Design backend architectures with clean and scalable structure
- Work with authentication, role management, and API security
- Backend: Java (Spring Boot), PHP (CodeIgniter 4)
- Database: MySQL
- Tools: Git, Docker (learning), Postman
- Others: REST APIs, Payment Integration, SMS APIs
A modular payment service supporting multiple providers with pluggable architecture and status validation.
A dynamic SMS sending platform with template system, Excel upload, and multi-provider integration.
A platform for issuing, verifying, and storing certificates with long-term access.
- System design & scalability
- Clean architecture patterns
- Docker & deployment workflows
- GitHub: https://github.com/sakazee
- Email: [email protected]
I donβt just write code, I build systems that solve real problems.