I will fix java spring boot bugs, apis, and backend issues

S
sonlph
S
sonlph
Hoang Son

About this gig

Are you looking for a reliable Java developer to fix backend bugs or improve your existing application?

I can help you troubleshoot, fix, and improve Java backend issues in a clean and professional way.

I work with:

  • Java
  • Spring Boot
  • REST APIs
  • Backend bug fixing
  • Debugging and troubleshooting
  • Code cleanup and refactoring
  • Performance improvements
  • Business logic fixes
  • JSON and data handling

What I can do for you:

  • Fix Java errors and exceptions
  • Debug Spring Boot backend issues
  • Repair REST API problems
  • Fix controller, service, or repository logic
  • Improve backend performance
  • Clean up messy Java code
  • Refactor existing backend code
  • Review backend logic and suggest improvements

Why choose me:

  • Strong backend problem-solving skills
  • Clear communication
  • Clean and maintainable solutions
  • Practical fixes based on real project needs

Please message me before ordering for larger or custom tasks so I can review the scope properly.

Get to know Hoang Son

Hoang Son

Software Engineer

  • FromVietnam
  • Member sinceMar 2026
  • Avg. response time1 hour
  • Languages

    English
I am a software engineer with experience in developing, optimizing, and maintaining large-scale systems. I have contributed to Agile sprints and implemented CI/CD pipelines. I am skilled in technologies like Spring Boot, Nestjs, PostgreSQL, and AWS.