I will fix bugs in your java backend and rest API


About this gig
Is your Java application crashing, throwing errors, or behaving in unexpected ways? I can find the problem and fix it quickly.
I am a Java backend developer, and I fix bugs in Java and Spring Boot projects.
What I can help with:
- NullPointerException and other runtime errors
- Spring Boot startup and configuration errors
- REST API bugs (wrong responses, status codes, validation)
- Hibernate / JPA and SQL query problems
- Database connection issues (PostgreSQL, MySQL)
- Authentication and Spring Security issues
How I work:
1. You send the code (GitHub link or ZIP) and the error message
2. I investigate and find the root cause
3. I fix the bug and explain what went wrong
4. You test it, and I make revisions if needed
Please message me before ordering and include:
- A short description of the problem
- The error log or stack trace
- Your Java and Spring Boot version
I reply fast and communicate clearly. Message me and let's fix your bug!
Get to know Muxriddin
Java Backend Developer, Spring Boot and REST APIs
- FromUzbekistan
- Member sinceOct 2026
Languages
Uzbek, English
FAQ
Do you need access to my full project?
Not always. A GitHub link or ZIP file with the relevant code and the error log is usually enough.
What if my bug is too complex for the package I chose?
Message me first. I will review the problem and recommend the right package before you order.
Do you work with other languages?
I focus on Java and Spring Boot to give you the best quality.

