I will fix react, nodejs, express api bugs and cors errors

A
aeternogate
A
aeternogate
Artemchuk A.
fix react, nodejs, express api bugs and cors errors
Full Screen
fix react, nodejs, express api bugs and cors errors

About this gig

Bug Fix & API Integration

Are CORS errors, broken API routes, or tricky React bugs holding your web app back? Im here to help! As a Fullstack Developer, I will quickly identify and resolve issues in your React, Next.js, and Node.js applications to get your site running smoothly.


What I can fix or integrate for you:

  • React, Next.js, & JavaScript frontend errors
  • Node.js, Express, & REST API bugs
  • CORS, Headers, & Authentication issues (JWT, Cookies)
  • Database query errors (PostgreSQL, MongoDB, Supabase)
  • Responsive CSS/Tailwind layout bugs
  • Third-party API integrations

Why choose this gig?

  • Fast turnarounds (often within 24 hours)
  • Clean, optimized code with clear comments
  • Detailed explanation of what caused the bug

  • Platform

    • Other

  • Website type

    • E-Commerce store
    • Business
    • Landing page
    • Saas
    • Other

  • Programming language

    • JavaScript
    • TypeScript
    • HTML & CSS
    • React
    • Other
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Get to know Artemchuk A.

Artemchuk A.

Fullstack Specialist for SaaS

  • FromUkraine
  • Member sinceJan 2026
  • Avg. response time1 hour

  • Languages

    English, Ukrainian, Russian
Hi! I’m Andrew, a Fullstack Developer specializing in building high-performance, scalable web applications. I help startups and businesses turn ideas into clean code and solve technical bottlenecks. Core Stack: Frontend: React, Next.js, TypeScript, Tailwind CSS Backend: Node.js, Express, REST APIs Database: PostgreSQL, MongoDB, Supabase Why work with me: Clean, maintainable code & responsive design Clear daily updates & fast delivery Please message me before placing an order to discuss your project requirements!

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