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I will build a secure rest API backend for your app using java and spring boot

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fabrizioarmada3
F
fabrizioarmada3
Fabrizio Armada
build a secure rest API backend for your app using java and spring boot
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build a secure rest API backend for your app using java and spring boot
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build a secure rest API backend for your app using java and spring bootbuild a secure rest API backend for your app using java and spring bootbuild a secure rest API backend for your app using java and spring boot

About this gig

Struggling to find a backend developer who delivers clean, working code on time?

I build REST APIs with Java and Spring Boot structured, secure, and ready for your frontend or mobile app to connect from day one.


What I build:

  • REST APIs with clean layered architecture
  • Database integration (MySQL / PostgreSQL) with JPA
  • JWT authentication and role-based access
  • Input validation and proper error handling
  • Business logic tailored to your project


I have built real backend systems with authentication, orders, and data management so I understand how production applications actually behave.


Every delivery includes full source code, a Postman collection to test your endpoints, and a README so you can run it immediately.


Send me a message before ordering and I will make sure your project is a perfect fit.

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Security
    • Databases

  • Programming language

    • Java

  • Backend framework

    • Spring

Get to know Fabrizio Armada

Fabrizio Armada

Powering scalable systems with clean Java code

  • FromArgentina
  • Member sinceJan 2025

  • Languages

    English, Spanish, Russian
Backend developer (Java/Spring Boot) building clean, scalable REST APIs with secure auth (JWT/roles), PostgreSQL/MySQL, Swagger/OpenAPI, and Docker/Compose for one-command deployment. I deliver maintainable code, clear documentation, and fast bug fixes/refactors. Ideal for startups and agencies needing reliable backend features, integrations, and production-ready setups. Tell me your goals and I’ll propose the best approach and timeline.

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