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I will fix java spring boot rest API, jpa, jwt, and hibernate issues
Pre Karthik
About this gig
Is your Java Spring Boot application showing errors, API failures, JPA/Hibernate problems, or authentication issues? I can help investigate and fix backend problems in your existing project.
I can help with:
- Java and Spring Boot bugs
- REST API errors and endpoint issues
- JPA and Hibernate problems
- JWT, Spring Security, and CORS issues
- Database integration errors
- Maven dependency and configuration problems
- JUnit and Mockito test failures
What you will receive:
- Bug investigation
- Clean and practical code fixes
- Testing and validation
- Clear explanation of the solution
Please contact me before placing an order and share the error message, relevant code, project requirements, and steps to reproduce the issue.
I do not accept requests involving malware, illegal activity, or unauthorized access to systems.
Get to know Pre Karthik
Pre Karthik
Java Spring Boot Backend Developer
- FromIndia
- Member sinceAug 2026
- Avg. response time1 hour
Languages
Telugu, English, Hindi
I’m a Java Spring Boot Backend Developer with 5+ years of experience building, debugging, and maintaining enterprise applications.
I can help with REST APIs, microservices, JWT authentication, MySQL/MongoDB integration, JPA/Hibernate, unit testing, Docker, Swagger/OpenAPI, performance issues, and backend debugging.
My tools include Java, Spring Boot, Maven, Git, Postman, AWS, and Azure DevOps. I deliver clean solutions, clear communication, and timely results. Please message me before ordering.
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FAQ
Can you fix any Java Spring Boot issue?
I can help with many common issues, including REST API errors, JPA/Hibernate problems, JWT authentication, CORS, Maven dependencies, database errors, and test failures. Please contact me first so I can confirm that your issue fits the selected package.
What information do you need before starting?
Please provide the error message, relevant code, project requirements, logs, and clear steps to reproduce the issue. Do not share passwords, private keys, or sensitive credentials.
Do you work with existing projects?
Yes. I can investigate and fix issues in existing Java and Spring Boot projects. The project should build successfully enough for the issue to be reproduced.
Can you fix database and Hibernate errors?
Yes. I can help with JPA mappings, Hibernate exceptions, repository queries, SQL errors, relationships, and database integration issues.
Do you provide explanations for the fixes?
Yes. I provide a clear explanation of the root cause and the changes made. Documentation and detailed code comments depend on the package you select.
