Spring Boot JWT REST API

@tnt42010

Hi, I can build a production-ready Spring Boot REST API with secure JWT authentication, role-based authorization, and a scalable MySQL architecture following clean enterprise standards. What I’ll deliver: ✔ Spring Security + JWT authentication ✔ Admin/User role management ✔ Full CRUD APIs ✔ MySQL schema with migration scripts (Flyway/Liquibase) ✔ SOLID principles & clean code ✔ Swagger/OpenAPI documentation ✔ Unit tests with JUnit 5 & Mockito ✔ Deployment guide for local/cloud environments I have experience building secure backend systems, REST APIs, financial/trading platforms, and enterprise-grade applications. Ready to start immediately and can provide a clean, production-ready implementation with documentation and testing. — Taher

@Hrolgar

Spring Security 6 dropped WebSecurityConfigurerAdapter entirely. Most tutorials showing the old configuration pattern compile fine but miss the SecurityFilterChain DSL that Boot 3 actually expects, and stateless JWT without refresh token rotation leaves no revocation path when tokens are compromised. The implementation I'd ship: layered service architecture (controller/service/repository), a custom JWT filter validating access tokens on every request, BCrypt for password hashing, and a dedicated refresh token table in MySQL so you can invalidate sessions explicitly. Flyway handles schema versioning from day one. Role-based access maps to method-level @PreAuthorize annotations, not just URL matchers, so it holds up as you add endpoints. Test coverage via JUnit 5 and MockMvc covering auth flows, role enforcement, token expiry, and validation errors, not just happy paths. M1: Project scaffold, Flyway schema, User/Role entities, JPA repositories, 68,000 INR, 2d. M2: Registration, login, JWT issuance (access + refresh), BCrypt, refresh rotation, 68,000 INR, 2d. M3: Spring Security filter chain, role-based access, profile endpoints, 68,000 INR, 2d. M4: Full CRUD, input validation, global exception handler, DTO layer, 68,000 INR, 2d. M5: JUnit/MockMvc suite, integration test coverage, final cleanup, 68,000 INR, 2d. One question before I start: are you planning to expand beyond a two-tier role setup, or is admin/user sufficient for this version?

@arifshaon

I can help build a clean, production-ready RESTful backend in Java Spring Boot covering the full user lifecycle, authentication, authorization, CRUD operations, persistence, documentation, and testing. I have strong experience designing structured backend systems, API workflows, database-backed applications, and secure service layers. For this project, I would use a clear layered architecture with controllers, services, repositories, DTOs, validation, exception handling, and clean separation of concerns. Authentication would be implemented with Spring Security and JWT, with Admin and User roles enforced through role-based endpoint protection. For the database, I would model the MySQL schema with future expansion in mind, including separate user and role structures rather than hardcoding role values in a way that becomes difficult to maintain later. I can also provide migration scripts using Flyway or Liquibase. The code will be documented with Swagger/OpenAPI so you can test and inspect the endpoints easily. I will also include JUnit 5 and Mockito tests for the business logic, along with a clear setup and deployment guide covering local execution and cloud deployment. Deliverables will include the full Maven/Gradle project, database schema and migration scripts, Swagger documentation, tests, and a concise README so you can run, review, and verify the service confidently.

@serviceaxisgroup

Hi, I can help with a production-ready Spring Boot REST API that delivers JWT login, Admin/user role-based access, and full user CRUD persisted in MySQL. I’ll start by setting up the layered SOLID structure (controller/service/repository), Spring Security JWT filters, role authorization, and an expandable MySQL schema with migration scripts. I’ll then implement endpoints and Swagger/OpenAPI, writing JUnit 5 + Mockito tests per business method to make review and launch straightforward. Do you prefer Maven or Gradle, and should roles be stored as a separate table for easy expansion? If you confirm, I’ll share an implementation plan and we can proceed to the first milestone.

@dushyant317

I can build a production-ready Spring Boot REST API with JWT-based authentication, role-based access control (Admin/User), full CRUD operations, MySQL persistence, layered architecture (controller/service/repository), Swagger/OpenAPI documentation, and JUnit/Mockito test coverage, along with clean deployment instructions and scalable schema design for future expansion.