I will fix backend bugs in java spring boot, python and apis

G
gauravkumar0111
G
gauravkumar0111
Gaurav Kumar
fix backend bugs in java spring boot, python and apis
Full Screen
fix backend bugs in java spring boot, python and apis

About this gig

Welcome to my Backend Bug Fixing gig!


Hi, Im Gaurav Kumar, backend developer and B.Tech student with experience in Java, Spring Boot, Python, MySQL, and API development. I can help you identify, debug, and fix backend issues efficiently.

I can fix:

  • Java and Spring Boot errors
  • Python backend issues
  • REST API bugs
  • Database connection problems
  • Authentication/login issues
  • Server-side errors
  • JSON/API response issues
  • MySQL query problems
  • Backend performance issues
  • Deployment-related bugs

Why choose me?

  • Fast debugging
  • Clean and optimized solutions
  • Good communication
  • Beginner-friendly pricing
  • On-time delivery

Technologies I use:

  • Java
  • Spring Boot
  • Python
  • MySQL
  • REST APIs
  • JDBC

Please contact me before placing an order and share the error details or screenshots.


  • Programming language

    • Java

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Performance
    • Design
    • Databases

  • Frontend framework

    • AngularJS
    • Bootstrap
    • React.js
    • Tailwind CSS

  • Backend framework

    • Express.js
    • FastAPI
    • Node.js
    • Spring

Get to know Gaurav Kumar

Gaurav Kumar

Web Development

  • FromIndia
  • Member sinceMay 2026
  • Avg. response time1 hour

  • Languages

    English
I’m Gaurav, a B.Tech final year student and backend/web developer passionate about building modern web applications and AI-powered solutions. I specialize in Node.js, Express.js, MongoDB, JavaScript, and REST APIs. I also work with frontend technologies like HTML, CSS, Bootstrap, and EJS to create responsive and user-friendly websites. I have experience building full-stack projects such as hotel booking platforms, and AI chatbot applications using LangChain and Ollama. I can help clients with website development, backend APIs, database integration, bug fixing and deployment.

My Portfolio

Related tags