I will develop java spring boot rest API and backend

S
suyangliul
S
suyangliul
Su L

About this gig

Do you need a clean and reliable Java Spring Boot REST API for your website, mobile app, or software project?

I will develop a structured and maintainable Spring Boot backend REST API based on your requirements.

I can help you with:

  • RESTful API development
  • CRUD operations
  • Spring Boot & Spring Data JPA
  • MySQL database integration
  • JWT authentication
  • Spring Security & role-based authorization
  • Input validation & exception handling
  • Swagger / OpenAPI documentation
  • Basic unit testing

You will receive:

  • Complete Java source code
  • Clean project structure
  • Database configuration
  • Clear setup and running instructions

I can build APIs for users, products, orders, bookings, inventory, authentication systems, and other custom backend requirements.

Why work with me?

  • Clean and organized Java code
  • Clear communication
  • Requirements discussed before development
  • Source code included

Please contact me before ordering if you have an existing project, complex database relationships, third-party API integrations, deployment requirements, or custom features.

Features included depend on the selected package. Additional resources, endpoints, or requirements may require a custom offer.

Get to know Su L

Su L

Backend Developer, Java Spring Boot REST APIs

  • FromIreland
  • Member sinceAug 2026
  • Avg. response time1 hour
  • Languages

    English, Chinese, French
I’m a backend developer focused on Java, Spring Boot, REST APIs, SQL and database development. I can help with REST APIs, CRUD features, JWT authentication, Spring Security, MySQL/PostgreSQL integration, database design, debugging and bug fixes. My recent work includes a secure Spring Boot Task Management API using JWT, MySQL, Spring Data JPA/Hibernate, validation and Swagger/OpenAPI. I focus on clean code, clear communication and practical, maintainable solutions.

My Portfolio

Other Software Development Services I Offer