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I will build a spring boot rest API for your application
Attila B.
About this gig
Need a reliable, well-structured backend API? I build production-ready REST APIs using Spring Boot, following clean architecture and industry best practices.
With 20 years of enterprise Java experience across fintech, retail, and media industries, I deliver:
- RESTful API design and implementation (Spring Boot, Spring Data JPA, Spring Security)
- Database integration (PostgreSQL, MySQL, MongoDB)
- Authentication and authorization (JWT, OAuth2)
- API documentation (Swagger/OpenAPI)
- Unit and integration testing (JUnit, Mockito)
- Docker containerization
Every engagement starts with a structured technical analysis of your requirements, architecture, and data flow before any code is written, so you always know the plan before the work begins.
I've built core banking integration platforms on Kubernetes, AI-powered document processing systems, and production CI/CD pipelines for enterprise clients. I bring the same rigor and reliability to every project, regardless of size.
Let's discuss your requirements and build something solid together.
Get to know Attila B.
Attila B.
Senior Java and AWS Architect, Spring Boot, AI Integration
- FromHungary
- Member sinceJul 2026
Languages
Hungarian, English
Senior Java and AWS architect with 20 years of experience across fintech, retail, and media. I specialize in Java and Spring Boot microservices, Kubernetes deployment, and legacy system modernization. I also integrate AI and LLM capabilities into production backends, including RAG pipelines, vector search, and embedding generation. Recent work includes core banking platforms on Kubernetes, AI powered document search using transformer models, and CI/CD pipeline design. Every engagement starts with a structured technical analysis before writing code.
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FAQ
Do you provide the source code?
Yes, full source code is included in every package, along with clear documentation on how to run and extend it.
Do you need my full project files before starting?
No, we can start with a short technical analysis based on your requirements. Full project access is only needed if we're integrating into an existing codebase.
Can you customize the API to my specific database schema?
Yes, the API is built around your data model and requirements, not a generic template.
