I will fix any java and spring boot issues and implement features

Professional Spring Boot & Java Backend Development | API Building | Debugging

Are you looking for a Spring Boot expert to build powerful backend services, fix bugs, or enhance your Java application?

You're in the right place!

I'm Paul, a skilled Java developer specializing in Spring Boot, REST APIs, database integration, backend architecture, and debugging production-level issues. Whether it's a small fix or a full application module, I deliver clean, scalable, and high-performance solutions.

What I Offer

Spring Boot Backend Development

• Build or improve REST API endpoints
• CRUD operations using Spring Data JPA
• Service, Controller & Repository layer development
• Clean folder structure & MVC architecture
• DTOs, validators, exception handling, logging

Fixing Spring Boot & Java Bugs

• Fix runtime errors, exceptions, build failures
• Dependency & configuration issues (Maven/Gradle)
• Broken endpoints, 404/500 errors, CORS problems
• Logic errors, database issues, or API failures
• Improve performance & code readability

API & Database Integration

• MySQL, PostgreSQL, MongoDB, H2
• Entity relations (OneToMany, ManyToMany)
• Hibernate/JPA optimization
• Authentication (JWT)