I will fix bugs in your javascript, typescript, or react app

H
haruto_kuroda
H
haruto_kuroda
Haruto Kuroda
fix bugs in your javascript, typescript, or react app
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fix bugs in your javascript, typescript, or react app

About this gig

Is your JavaScript, TypeScript, or React application not working as expected? I can help!

I'm a full-stack developer with experience in building and maintaining web applications. I'll quickly identify the root cause of your bugs and deliver clean, reliable fixes.


What I can fix:

  • JavaScript / TypeScript bugs
  • React component issues (state, props, hooks, rendering)
  • Node.js / Express.js backend errors
  • API integration issues
  • Database queries (PostgreSQL, MySQL)
  • UI/UX bugs and layout problems


What you'll get:

  • Clean, well-tested fix
  • Clear communication throughout the process
  • On-time delivery


My process:

  1. Review your code and reproduce the bug
  2. Identify the root cause
  3. Implement and test the fix
  4. Deliver with a brief explanation


Please message me before placing an order so we can discuss your issue. I want to make sure I can solve your problem before you spend any money.

  • Programming language

    • JavaScript

  • Expertise

    • Debugging
    • Performance
    • Databases
    • Source control
    • Testing procedures

  • Frontend framework

    • jQuery
    • Next.js
    • React.js

  • Backend framework

    • Express.js
    • Node.js

Get to know Haruto Kuroda

Haruto Kuroda

FullStack Developer React, Python Django, Java Spring Boot

  • FromJapan
  • Member sinceFeb 2026

  • Languages

    Japanese, English
Full-stack developer experienced in frontend and backend development. Tech Stack: Frontend: React, JavaScript, TypeScript Backend: Java (Spring Boot), Python (Django), Node.js Database: PostgreSQL, MySQL I build clean, well-structured code and deliver reliable solutions. From fixing bugs to building REST APIs and web applications, I'm committed to clear communication and on-time delivery. Message me before ordering so we can discuss your project! GitHub: https://github.com/Haruto-works333

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