I will create or document a java spring boot rest API

J
joaoguerreiro_
J
joaoguerreiro_
Joao Guerreiro
create or document a java spring boot rest API
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create or document a java spring boot rest API

About this gig

Need a Java Spring Boot REST API created or improved?

I can help you build clean endpoints, add Swagger documentation, or improve an existing API.

What I offer:

  • Create REST API endpoints
  • Add or improve Swagger / OpenAPI documentation
  • Connect the API to a database
  • Implement basic error handling
  • Clean and organize existing code

I always check your requirements before starting to make sure the scope matches the selected package.

You will receive clean and maintainable code with clear communication.

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Databases
    • Source control

  • Programming language

    • Java

  • Frontend framework

    • Bootstrap
    • Flutter

  • Backend framework

    • FastAPI
    • Firebase
    • Spring Boot

Get to know Joao Guerreiro

Joao Guerreiro

Junior Backend Developer CSharp, Java Spring Boot, Docker

  • FromPortugal
  • Member sinceAug 2026
  • Avg. response time1 hour

  • Languages

    English, Portuguese
I'm a Computer Engineering graduate from Portugal with hands-on experience in software development and CI/CD. My experience includes C#, ASP.NET, REST APIs, SQL databases, Java, Spring Boot, and Docker. I worked on web applications, backend APIs, containerized applications, and pipeline automation. I enjoy solving technical problems, debugging code, building backend features, and helping applications run reliably. I communicate in Portuguese and English, and I focus on clean, maintainable code, clear communication, and realistic deadlines.

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