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I will build java spring boot backend services mysql jwt rest api
Kocean
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About this gig
I can help you build, fix, or improve small Java Spring Boot backend features.
My service includes REST API development, MySQL database logic, MyBatis integration, JWT authentication, admin CRUD modules, file upload features, and Spring Boot bug fixing.
I can help with simple backend APIs, Spring Boot startup or runtime errors, MyBatis and SQL issues, CRUD modules with MySQL, JWT login or authentication logic, basic file upload features, source code delivery, and simple testing notes.
I focus on clean code, clear API structure, readable database logic, and practical delivery.
Please contact me before placing an order. Send your requirements, existing project files if available, database structure, error logs, screenshots, and expected deadline. I will review the scope first and confirm what can be delivered.
Note: I do not provide large enterprise systems, high concurrency architecture, payment systems, or production Kubernetes deployment in this gig.
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 do I need to provide before ordering?
Please message me with your requirements, existing project details, database structure, API list, error logs or screenshots, and expected deadline. For larger or complex tasks, I will review the scope first and suggest the best package or custom offer.
Can you work on an existing Spring Boot project?
Yes. I can help fix bugs, add small backend APIs, improve MyBatis or MySQL logic, and add basic features such as JWT authentication or file upload. Please send the project details before placing an order.
What is not included in this gig?
This gig does not include large enterprise systems, payment systems, high concurrency architecture, advanced DevOps, production Kubernetes deployment, or long term maintenance. For complex requirements, please contact me first.
