I will fix bugs and errors in your rest API

D
dangkhacphu
D
dangkhacphu
Daniel Phu
fix bugs and errors in your rest API
Full Screen
fix bugs and errors in your rest API

About this gig

Having issues with your REST API?

I will help you debug and fix bugs in your existing REST API and get your endpoints working correctly.

What I can help with:

  • Fix API errors and exceptions
  • Fix request/response issues
  • Fix HTTP 4xx/5xx errors
  • Fix controller and service logic
  • Fix JPA/Hibernate and database-related issues
  • Fix authentication and JWT issues
  • Debug API integration problems

What you will get:

  • Clean and focused bug fixes
  • Proper debugging and root-cause analysis
  • Testing of the affected API
  • Clear communication throughout the process

Please contact me before placing an order and provide your error details, source code, or relevant API information so I can understand the issue and confirm the scope.

  • Programming language

    • Java

  • Expertise

    • Debugging
    • Performance
    • Source control

  • Frontend framework

    • Bootstrap
    • React.js
    • Tailwind CSS
    • Vue.js

  • Backend framework

    • Spring
    • Spring Boot

Get to know Daniel Phu

Daniel Phu

Fresher Software Engineer

  • FromVietnam
  • Member sinceSep 2026

  • Languages

    English, Vietnamese
Hi! I’m a Software Engineer specializing in backend development, REST APIs, and databases. I work with Java, Spring Boot, C#, and .NET to build reliable and maintainable applications. I can help with backend development, REST API development, database integration, bug fixing, and improving existing applications. I care about clean code, clear communication, and delivering practical solutions that match your requirements. Feel free to message me with your project details. Let’s build something reliable together!

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