I will develop or fix java spring boot rest apis and backend features


About this gig
Need developers to build websites or improve Java Spring Boot backends?
I create responsive websites and develop or fix backend functionality for well-defined projects. I have hands-on experience with Java, Spring Boot, Vue.js, MyBatis, MySQL, HTML, CSS, JavaScript, and REST APIs.
I can help with:
- Business websites, landing pages, and portfolios
- Vue.js admin pages and reusable components
- Spring Boot REST API and bug fixing
- Frontend and backend API integration
- CRUD module with MyBatis and MySQL
- DTOs, authentication, and error handling
- Basic authentication and role-based access control
- SQL queries and basic index auditing
Packages:
Basic - 1 bug fix or 1 small endpoint
Standard - Up to 3 endpoints with authentication and MySQL
Advanced - 1 CRUD module, up to 6 endpoints, MySQL, authentication, and basic security
Leave me a message on Fiverr before ordering. Please share your requirements, existing code, reference design, error messages, expected results, and deadlines. I will review the task and confirm the scope and appropriate package plan.
For complete websites, custom front-end design, deployment, payment systems, or multi-module applications, plea
Get to know Zheyun D
Java Web Developer
- FromChina
- Member sinceJul 2026
Languages
English, Chinese
FAQ
Should I contact you before placing an order?
Yes. Please send your requirements, current code, expected result, and deadline first. I will review the task and confirm the appropriate package.
Can you fix an existing Java Spring Boot project?
Yes. I can investigate clearly reproducible bugs, API errors, CRUD issues, MyBatis problems, validation errors, and frontend-backend integration issues.
Can you build a website?
Yes. I can build responsive business websites, landing pages, portfolio pages, and Vue.js admin interfaces. Please contact me for a custom offer for a complete website.
What information do you need to start?
Please provide the task description, source code if available, error logs, API requirements, database schema, reference design, expected result, and deadline.
Which technologies do you work with?
I work with Java, Spring Boot, Spring Security, REST APIs, MyBatis, MySQL, Vue.js, JavaScript, HTML, CSS, Git, and Linux.
Is source code included?
Yes. Source code is included in all packages. Please remove passwords, API keys, private customer data, and other secrets before sharing your project files.

