I will fix java spring boot backend issues and bugs

K
kirillseina
K
kirillseina
Kirill G

About this gig

Hi! Im a Java developer with experience in Spring Boot backend development.

I will help you fix bugs, errors, and issues in your Spring Boot application quickly and efficiently.

  • Fix backend errors and exceptions
  • Debug REST APIs
  • Resolve database issues (JPA, Hibernate)
  • Fix configuration problems
  • Improve code quality and performance


I work with:

  • Java
  • Spring Boot
  • REST APIs
  • Hibernate / JPA
  • MySQL / PostgreSQL

Please contact me before ordering so I can understand your issue and provide the best solution.

Get to know Kirill G

Kirill G

Software Engineer

  • FromFinland
  • Member sinceMar 2026
  • Languages

    English, Russian, Finnish, Spanish
I am a Software Engineer with over 12 years of experience in software development, working professionally as a Java programmer. My core expertise lies in designing interfaces for web applications, including websites, online stores, and warehouse management systems (WMS). I excel at planning architecture and optimizing backend and frontend interactions, with a strong focus on database query optimization.

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