Hi there, this is MD KHALID, a professional backend developer with hands-on experience in Java and Spring Boot. I specialize in creating robust, secure, and scalable backend systems for web and mobile applications.

I will help you with:

✔ REST API development using Spring Boot  

✔ Secure backend logic with Java  

✔ MySQL / PostgreSQL database integration  

✔ Authentication and authorization (JWT, OAuth2)  

✔ Error handling and validation  

✔ MVC architecture and layered design  

✔ Integration with frontend apps (Angular, Spring Boot, Flutter)

You will get clean, well-documented, and production-ready backend code tailored to your needs. I ensure quality, maintainability, and performance.

Let me know your project idea — I will bring it to life using Java and Spring Boot!

Best regards,  

MD KHALID