Java spring boot backend application need to fix error or solution

Java Spring Boot Backend Application Fix for API Endpoint Not Working or making it which is needful to work all feature or functionality properly

Overview:

If you have the skills and experience necessary to fix our API endpoint issue, please submit your proposal. We look forward to working with you.

I am looking for a Java Spring Boot developer to help me with my web development project. The main purpose of the project is to doing the backend related all work like including database, integrate APIs into my web application or fix the issue. I have a specific design in mind for the application and would like the developer to follow it closely.

Ideal skills and experience for this job include:
- Strong experience with Java Spring Boot development
- Proficiency in API integration and database making
- App deployment
- Knowledge of front-end design and development and collaborate with other developer
- Ability to follow specific design requirements
- Good communication skills to ensure project progress updates and feedback.
PLEASE SEE THE ATTACHED FILE FOR REQUIREMENTS.