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I will fix java spring boot api or backend bugs


About this gig
Need help fixing a Java Spring Boot backend issue without turning it into a large rebuild?
I can help with focused backend repairs such as:
- Broken REST endpoints
- Request/response JSON mapping issues
- JPA, MyBatis, MySQL, or PostgreSQL query bugs
- Validation or service-layer logic errors
- Scheduled job or export/report bugs
- Simple third-party API integration issues
- Small backend automation or data-processing fixes
My goal is to make the fix inspectable and easy to maintain. You will receive clear notes about what changed, why it changed, and how to verify the result.
Please message me before ordering if the issue involves production deployment, payment/authentication security, a large legacy codebase, or multiple systems. I will help define a safe small first step.
Get to know Xia Shou
AI Automation Specialist
- FromChina
- Member sinceFeb 2026
Languages
Chinese
FAQ
Can you work on an existing production system?
Yes, but I need to review the scope first. For production systems, I prefer a small reproducible issue, temporary access, or a staging/test environment.
Can you fix AI or API integrations in Spring Boot?
Yes, if the issue is bounded, such as request formatting, response parsing, API error handling, or saving structured results to a database.
What should I send before ordering?
Please send the error message, expected behavior, endpoint or stack trace, Java/Spring Boot/database versions, and a small repo/snippet/test case. Please do not send passwords.
