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English
$
USD
I will fix website bugs, errors and issues
Junaid Khan
About this gig
Professional Website & Web Application Bug Fixing Service
Is your website or web application showing errors, broken functionality, unexpected behavior, or performance issues?
You're in the right place.
I provide professional bug fixing and debugging services for websites and web applications. Whether it's a frontend issue, backend error, API problem, database issue, or deployment bug, I'll identify the root cause and implement a clean, reliable solution.
I can fix:
JavaScript Errors
React.js Bugs
Next.js Issues
Node.js Backend Errors
Express.js Problems
PHP Bugs
Laravel Issues
HTML/CSS Problems
Responsive Design Issues
Login & Authentication Errors
API Integration Problems
Database Errors
MongoDB Issues
MySQL Issues
Form Submission Problems
Payment Gateway Issues
Console Errors
Website Crashes
Broken Features
Performance Problems
General Website Bugs
Why Choose Me?
Professional debugging approach
Root cause analysis
Clean & maintainable code
Fast communication
Reliable solutions
Quality assurance before delivery
On-time delivery
Client satisfaction is my priority
Technologies I Work With
React.js
Next.js
Node.js
Express.js
PHP
Laravel
JavaScript
HTML
CSS
Bootstrap
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 Junaid Khan
Junaid Khan
AI Automation, React Nextjs Developer, Website Speed Optimization Expert
- FromPakistan
- Member sinceApr 2026
- Avg. response time1 hour
Languages
English
Hi, I'm a Full-Stack Web Developer specializing in AI Automation, React/Next.js development, and Website Speed Optimization. I build scalable web solutions, AI-powered applications, and high-performance websites that improve user experience and business growth. Whether you need AI integration, bug fixing, performance optimization, or a modern web application, I focus on delivering clean, reliable, and production-ready solutions with clear communication and on-time delivery.
My Portfolio
Other Website Maintenance Services I Offer
FAQ
Can you fix urgent bugs?
Yes. Please message me first, and I'll let you know my availability.
Which technologies do you support?
React.js, Next.js, Node.js, Express.js, PHP, Laravel, JavaScript, HTML, CSS, MongoDB, MySQL, REST APIs, and related web technologies.
Will you review the issue before starting?
Absolutely. I always review the problem first to understand the root cause and recommend the best solution.
Can you fix API and database issues?
Yes. I troubleshoot REST APIs, authentication issues, MongoDB, MySQL, database connections, and backend logic.
Do you work on existing projects?
Yes. I specialize in debugging and improving existing websites and web applications.
What if the issue is more complex than expected?
I'll explain the scope clearly before proceeding and recommend the most suitable package or a custom offer.
