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I will develop java backend spring boot applications and apis
Osteen O
About this gig
Looking for a reliable Java Spring Boot developer to build or improve your backend?
I will develop clean, scalable, and maintainable REST APIs using Java and Spring Boot, tailored to your project requirements.
My services include:
REST API development and CRUD operations
Spring Boot application development
PostgreSQL or MySQL database integration
Spring Data JPA and Hibernate
DTOs, validation, and exception handling
Pagination, sorting, and filtering
Spring Security and JWT authentication
Role-based authorization (RBAC)
API documentation with Swagger/OpenAPI
Docker configuration and deployment support
Bug fixing and troubleshooting
I follow a clean layered architecture and write code that is organized, understandable, and easy to maintain.
Whether you need a new backend, additional API endpoints, database integration, authentication, or help fixing an existing Spring Boot application, I can help.
I will communicate clearly throughout the project and make sure the delivered solution matches your requirements.
Please contact me before ordering so we can discuss your project requirements and choose the package that best fits your needs.
Get to know Osteen O
Osteen O
Software Engineer
- FromKenya
- Member sinceMar 2024
Languages
English, Swahili
I am a backend-focused full-stack developer building applications with Java, Spring Boot, PostgreSQL, Next.js, TypeScript, and Docker. I have experience designing APIs, implementing role-based access control, and deploying production-style applications. I am particularly interested in backend engineering, software architecture, and building reliable, maintainable systems.
My Portfolio
FAQ
What information do you need before starting the project?
Please provide a clear description of your requirements, API endpoints or expected functionality, database requirements, existing source code (if applicable), and any relevant documentation or designs.
Can you work with an existing Spring Boot project?
Yes. I can add new features, create endpoints, integrate databases, implement authentication, fix bugs, or improve existing Spring Boot applications.
Can you Dockerize my Spring Boot application?
Yes. Docker configuration can be included depending on your requirements and selected package
Can you build a complete backend for my application?
Yes. I can develop a complete Spring Boot backend including REST APIs, database integration, validation, exception handling, authentication, authorization, and documentation. The exact scope and price depend on the project's requirements.
