You will get I will develop a secure Java Spring Boot REST API
Project details
Need a reliable, secure, and scalable backend for your web or mobile application?
I develop professional REST APIs using Java and Spring Boot following clean architecture and industry best practices. Every project is built with performance, security, maintainability, and scalability in mind.
My services include:
✔ Java & Spring Boot development
✔ REST API design
✔ CRUD operations
✔ JWT Authentication
✔ Role-Based Access Control (RBAC)
✔ Database integration (MySQL/PostgreSQL)
✔ Spring Security
✔ Input validation
✔ Exception handling
✔ Swagger/OpenAPI documentation
✔ Clean and well-structured source code
✔ API testing and debugging
I have experience building complete business systems including ERP platforms, educational management systems, event management platforms, ministry management software, dashboards, authentication systems, and enterprise web applications.
Whether you need a brand-new API or improvements to an existing project, I can deliver a secure and production-ready solution.
Let's build your backend the right way.
I develop professional REST APIs using Java and Spring Boot following clean architecture and industry best practices. Every project is built with performance, security, maintainability, and scalability in mind.
My services include:
✔ Java & Spring Boot development
✔ REST API design
✔ CRUD operations
✔ JWT Authentication
✔ Role-Based Access Control (RBAC)
✔ Database integration (MySQL/PostgreSQL)
✔ Spring Security
✔ Input validation
✔ Exception handling
✔ Swagger/OpenAPI documentation
✔ Clean and well-structured source code
✔ API testing and debugging
I have experience building complete business systems including ERP platforms, educational management systems, event management platforms, ministry management software, dashboards, authentication systems, and enterprise web applications.
Whether you need a brand-new API or improvements to an existing project, I can deliver a secure and production-ready solution.
Let's build your backend the right way.
Programming Languages
JavaScript, Java, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$99
|
Standard
$299
|
Advanced
$699
|
|---|---|---|---|
| Delivery Time | 3 days | 7 days | 14 days |
Number of Revisions | 2 | 4 | Unlimited |
Number of Pages | 1 | 3 | 5 |
Design Customization | - | ||
Content Upload | - | - | |
Responsive Design | |||
Source Code |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$40 - $150
Additional Revision
+$25
Additional Page
(+ 1 Day)
+$35
Design Customization
(+ 2 Days)
+$60
Content Upload
(+ 1 Day)
+$30
JWT Authentication
(+ 2 Days)
+$120
Role-Based Access
(+ 2 Days)
+$120
Swagger API Docs
(+ 1 Day)
+$60Frequently asked questions
About Uelisson Barros
Senior Java & Angular Full Stack Developer | Spring Boot | REST APIs
Apui, Brazil - 5:06 pm local time
I develop secure, scalable, and high-performance software using Java, Spring Boot, Angular, JavaScript, TypeScript, SQL databases, and modern development practices.
I can help you with:
• Full Stack Web Development (Java + Spring Boot + Angular)
• REST API Development & Integration
• AI Applications & AI Agent Integration
• Mobile Application Development
• Authentication & User Management
• Dashboards & Administrative Systems
• Database Design (MySQL & PostgreSQL)
• ERP, CRM, Financial, Education, Church & Event Management Systems
• Bug Fixing, Performance Optimization & Software Maintenance
I focus on writing clean, maintainable, secure, and scalable code while delivering solutions that are easy to use and built for long-term growth.
Whether you need a brand-new application, improvements to an existing system, API integrations, AI features, mobile applications, or bug fixes, I can help transform your ideas into reliable, production-ready software.
Why work with me?
✔ Clean & Professional Code
✔ Fast Communication
✔ On-Time Delivery
✔ Scalable Solutions
✔ Long-Term Support
✔ Client Satisfaction is My Priority
Let's build something amazing together!
Steps for completing your project
After purchasing the project, send requirements so Uelisson Barros can start the project.
Delivery time starts when Uelisson Barros receives requirements from you.
Uelisson Barros works on your project following the steps below.
Revisions may occur after the delivery date.
Requirements Analysis
Review project requirements, business rules, database structure, and expected API functionality.
Architecture & Development
Build the API using Java Spring Boot, implement business logic, security, database integration, and documentation.