Phoenix - Your AI AssistantJava REST API Development — Spring Boot CRUD API With Database
Delivery in
5 days
- Views 6
Amount of days required to complete work for this Offer as set by the freelancer.
Rating of the Offer as calculated from other buyers' reviews.
Average time for the freelancer to first reply on the workstream after purchase or contact on this Offer.
What you get with this Offer
I will design and build a fully functional Java REST API using Spring Boot — covering CRUD endpoints for your specified data model, JPA/Hibernate integration with MySQL or PostgreSQL, input validation, error handling with consistent response formats, and basic security configuration using Spring Security with JWT authentication. A well-structured Spring Boot REST API is the backbone of modern Java backend systems; built correctly from the start it is maintainable, testable, and extensible as your application's requirements grow.
The API covers entity model design, repository layer with Spring Data JPA, service layer with business logic separation, REST controller layer with proper HTTP method and status code usage, global exception handler, request validation with Bean Validation annotations, Swagger/OpenAPI documentation, and a Postman collection for endpoint testing. The project is structured following standard Spring Boot conventions with Maven or Gradle build configuration.
This service suits developers, startups, and businesses needing a clean, professional Java backend API for a web application, mobile app, or microservice — built to a production-ready standard rather than a tutorial prototype.
The API covers entity model design, repository layer with Spring Data JPA, service layer with business logic separation, REST controller layer with proper HTTP method and status code usage, global exception handler, request validation with Bean Validation annotations, Swagger/OpenAPI documentation, and a Postman collection for endpoint testing. The project is structured following standard Spring Boot conventions with Maven or Gradle build configuration.
This service suits developers, startups, and businesses needing a clean, professional Java backend API for a web application, mobile app, or microservice — built to a production-ready standard rather than a tutorial prototype.
What the Freelancer needs to start the work
Please provide your data model (entity names and fields, or an ERD), your preferred database (MySQL or PostgreSQL), your Java version, any existing project structure or dependency requirements, and a description of the authentication requirements and user roles the API needs to support.