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I will fix bugs in your java spring boot project
Kocean
About this gig
I can help you fix bugs in your Java Spring Boot backend project.
My service covers common Spring Boot backend issues such as startup errors, REST API errors, MyBatis or SQL problems, MySQL connection issues, JWT authentication bugs, configuration errors, Maven dependency issues, and simple backend logic problems.
I can help with:
Spring Boot startup errors, controller or service layer bugs, MyBatis mapper or XML issues, SQL errors, database connection problems, API 400 or 500 errors, JWT login or authentication problems, file upload issues, and basic debugging support.
Please contact me before placing an order. Send your error logs, screenshots, project details, related code files, database structure if needed, and expected deadline. I will review the issue first and confirm whether I can help.
Note: This gig is for small to medium Spring Boot bug fixing. It does not include large system rebuilding, production server emergency recovery, payment system fixes, or advanced Kubernetes deployment.
Get to know Kocean
Kocean
Java Spring Boot Backend Developer
- FromChina
- Member sinceMay 2026
Languages
Chinese, English
I help clients build, fix, and improve small Java Spring Boot backend modules using MySQL, MyBatis, JWT authentication, REST APIs, and file upload features.
I focus on clear API structure, readable code, database logic, bug fixing, and simple documentation. I can help with CRUD modules, admin backend features, Spring Boot/MyBatis errors, JWT login, and basic file upload workflows.
Please contact me with your requirements, existing project files, database structure, error logs, or screenshots before placing an order. I will review the scope first and confirm what can be delivered.
Other Software Development Services I Offer
FAQ
What should I provide before ordering?
Please send your error logs, screenshots, project details, related code files, database structure if needed, and expected deadline. I will review the issue first and confirm whether I can help.
Can you fix bugs in an existing Spring Boot project?
Yes. I can help with Spring Boot startup errors, REST API issues, MyBatis or SQL bugs, MySQL connection problems, JWT authentication bugs, Maven dependency issues, and simple backend logic errors.
What is not included in this gig?
This gig does not include large system rebuilding, production server emergency recovery, payment system fixes, advanced Kubernetes deployment, or long term maintenance. For complex issues, please message me before ordering.
