You will get expert React and Next.js bug fixing, performance, and error resolution
Project details
Having trouble with broken layouts, React hydration errors, API integration failures, or state management bugs in your Next.js application? I am here to diagnose, debug, and fix your frontend issues quickly and cleanly.
What I Can Fix:
React & Next.js Errors: Hydration mismatches, SSR/SSG rendering issues, router bugs, and state management glitches (Redux, Zustand, Context API).
UI & Responsive Issues: Layout breaks, CSS/Tailwind bugs, cross-browser inconsistencies, and mobile responsiveness.
API & Data Fetching: REST/GraphQL fetch errors, CORS issues, and async handler bugs.
Performance Drops: Slow page loads, memory leaks, unnecessary re-renders, and low Lighthouse scores.
Why Choose Me?
Fast turnarounds with clean, well-commented code fixes.
Minimal impact on existing features—no breaking change side effects.
Free post-fix verification to ensure everything runs smoothly.
Reach out directly or select a package to get your app running flawlessly today!
What I Can Fix:
React & Next.js Errors: Hydration mismatches, SSR/SSG rendering issues, router bugs, and state management glitches (Redux, Zustand, Context API).
UI & Responsive Issues: Layout breaks, CSS/Tailwind bugs, cross-browser inconsistencies, and mobile responsiveness.
API & Data Fetching: REST/GraphQL fetch errors, CORS issues, and async handler bugs.
Performance Drops: Slow page loads, memory leaks, unnecessary re-renders, and low Lighthouse scores.
Why Choose Me?
Fast turnarounds with clean, well-commented code fixes.
Minimal impact on existing features—no breaking change side effects.
Free post-fix verification to ensure everything runs smoothly.
Reach out directly or select a package to get your app running flawlessly today!
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance OptimizationWhat's included
| Service Tiers |
Starter
$15
|
Standard
$30
|
Advanced
$80
|
|---|---|---|---|
| Delivery Time | 1 day | 2 days | 3 days |
Number of Revisions | 1 | 2 | 5 |
Bug Investigation | |||
Fix Documentation | |||
Detailed Code Comments | - |
Optional add-ons
You can add these on the next page.
Detailed Code Comments
(+ 1 Day)
+$20Frequently asked questions
About Nadim Mahmud
Full Stack Web Developer | React, Next.js, Node.js, MongoDB, TypeScrip
Gazipur, Bangladesh - 6:18 pm local time
I build fast, responsive, and user-friendly web applications that help businesses improve their online presence and deliver a better user experience. Whether you need a modern React application, a full-stack MERN solution, or a customized Shopify store, I'm committed to delivering clean, maintainable, and scalable code.
What I can help you with:
âś” React.js & Next.js Development
âś” Full-Stack MERN Applications
âś” TypeScript Development
âś” REST API Development (Node.js & Express.js)
âś” MongoDB Database Design & Integration
âś” Shopify Theme Customization & Development
âś” Website Performance & Core Web Vitals Optimization
âś” Responsive UI with Tailwind CSS
âś” Bug Fixing & Feature Development
âś” Git & GitHub Version Control
I focus on writing clean code, maintaining clear communication, and delivering projects on time. I enjoy solving challenging problems and continuously learning modern web technologies to provide the best solutions for my clients.
If you're looking for a reliable developer who values quality and long-term collaboration, I'd be happy to discuss your project.
Let's build something great together!
Steps for completing your project
After purchasing the project, send requirements so Nadim Mahmud can start the project.
Delivery time starts when Nadim Mahmud receives requirements from you.
Nadim Mahmud works on your project following the steps below.
Revisions may occur after the delivery date.
Diagnosis & Reproduction
I set up your project locally, reproduce the error, and pinpoint the root cause in the codebase.
Code Fix & Optimization
I implement a clean, permanent solution without breaking existing site functionality or introducing technical debt.