I will fix bugs and issues in javascript, react, node js and next js

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unitedweb100
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unitedweb100
CustomEcomDev

About this gig

BUG FIXED. ROOT CAUSE SOLVED. CLEAN CODE DELIVERED.

Having a bug thats slowing down or breaking your website or web app? Ill find the root cause, fix it properly, and test the solution so the issue doesnt keep coming back.

WHAT I CAN FIX:

Blank screens, crashes & console errors

Broken buttons, forms & features

API errors, connection & data issues

Login, signup & authentication problems

Payment & integration issues

Slow performance & mobile layout bugs

React, Next.js & Node.js errors

WHY WORK WITH ME?

Root-cause debugging not temporary patches

Clean, maintainable code

Thorough testing before delivery

Clear communication & progress updates

Detailed notes explaining what was fixed

MY PROCESS:

  1. Review your code, logs and error messages
  2. Identify the root cause
  3. Implement a clean and reliable fix
  4. Test the affected functionality
  5. Explain exactly what changed

TECHNOLOGIES:

JavaScript TypeScript React Next.js Node.js Express MongoDB PostgreSQL

Not sure what's causing the problem? Send me the error or describe the issue. I'll review it and explain the likely cause and solution.

Respect third-party rights

Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.

Get to know CustomEcomDev

CustomEcomDev

Custom Ecommerce MERN And Django Developer

  • FromIndia
  • Member sinceAug 2026
  • Languages

    English
Full-Stack MERN & Django Developer specializing in secure, scalable eCommerce solutions. I build custom online stores with: ⚡ React-based fast, responsive UIs 🛒 Product, cart & inventory management 💳 Secure Stripe payments & webhook verification 📦 Automated order & stock workflows 🏷️ SEO-friendly product tags, offers & sale pricing 🔔 Admin notifications & order status tracking Clean code, scalable architecture, and reliable delivery—without unnecessary plugins. 📩 Message me before ordering to discuss your requirements and get an accurate quote!

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