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

S
shahzaib_nu
S
shahzaib_nu
Shahzaib

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

Shahzaib

FullStack and Backend Developer ,Java Spring Boot, Python Flask, DotNET

  • FromPakistan
  • Member sinceJun 2025
  • Avg. response time1 hour
  • Languages

    English
I build secure, high-performance web and desktop applications tailored to your business needs. Whether you need a robust REST API in Java Spring Boot, a dynamic web platform using Python Flask, or a custom inventory management desktop app in C# .NET, I deliver clean, scalable code. My expertise spans role-based access control, complex database design (SQL Server, PostgreSQL, MySQL), and intuitive user interfaces.