I will develop secure rest apis and backend systems using java spring boot


About this gig
Are you looking for a high-performance, secure, and scalable backend for your web or mobile application? Look no further!
I specialize in building robust, production-ready backend architectures using Java and Spring Boot. Whether you need custom RESTful APIs built from scratch, database integration, or fine-grained authentication models, I deliver clean, well-documented, and maintainable code built on proven design patterns.
️ What I Offer:
- Custom RESTful API Development: Scalable endpoints following HTTP best practices.
- Security & Authentication: JWT implementation, OAuth2, and Spring Security.
- Role-Based Access Control (RBAC): Custom authorization workflows for Admins, Managers, and Users.
- Database Design & Integration: Mapping with Spring Data JPA / Hibernate across MySQL, PostgreSQL, and MS SQL Server.
- Clean Architecture: Modularity adhering to Controller-Service-Repository design patterns.
- Bug Fixing & Refactoring: Debugging existing Spring Boot applications and optimizing slow SQL queries.
Tech Stack & Tools:
- Backend: Java, Spring Boot, Spring Security, Spring Data JPA
- Databases: MySQL, PostgreSQL, MS SQL Server
- Tools & Utilities: Postman, Git, GitHub, Maven, Swagger / OpenAP
Get to know Shahzaib
FullStack and Backend Developer ,Java Spring Boot, Python Flask, DotNET
- FromPakistan
- Member sinceJun 2025
- Avg. response time1 hour
Languages
English
Other Software Development Services I Offer
FAQ
What do I need to provide before placing an order?
A detailed functional requirement document, UI wireframes, or a user workflow description. If you already have an existing database schema or frontend, please share those as well.
Will I receive the full source code?
Yes! You receive 100% ownership of the clean, documented source code, ready for GitHub or local execution.
Can you work with my existing Spring Boot codebase?
Absolutely. I can debug, refactor, or add new feature modules to existing repositories using Git best practices.
What databases do you support?
natively support MySQL, PostgreSQL, and MS SQL Server using Spring Data JPA/Hibernate.

