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English
$
USD
I will fix bugs and errors in your HTML CSS javascript website
Tawhidur
About this gig
Having bugs or errors in your website?
I can help you find and fix HTML, CSS, and JavaScript issues and make your website work properly again.
I can help with:
JavaScript errors and bugs
HTML/CSS issues
Responsive and mobile layout problems
Broken buttons, menus and interactions
API integration errors
Frontend functionality issues
CORS and common configuration issues
Website deployment-related problems
Console errors and debugging
Small UI and functionality improvements
What you will get:
Clean and working solution
Proper debugging and testing
Responsive behavior check
Explanation of the problem and fix
Source code after the fix
I use modern AI-assisted development tools to speed up debugging and development, while manually reviewing, testing and validating the final solution.
Why work with me?
I am a self-taught full-stack developer with hands-on experience building AI-powered web applications using JavaScript, Node.js, Express and external APIs.
My portfolio project, NovaNotes, includes AI integration, API handling, rate limiting, retry logic, responsive UI and PWA functionality.
Please message me before placing an order if your issue is complex or involves a large codebase.
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 Tawhidur
Tawhidur
FullStack Developer AI Application Builder
- FromBangladesh
- Member sinceJul 2026
Languages
Bengali, English
I am a self-taught full-stack developer with hands-on experience building and deploying AI-powered applications. I successfully built NovaNotes, a production-deployed AI platform with RAG architecture and multi-mode AI capabilities. I am passionate about AI infrastructure and LLM integration, with a strong drive to solve complex technical challenges independently.
FAQ
What types of websites can you fix?
I mainly work with custom-coded websites and web applications using HTML, CSS, JavaScript, and related web technologies.
Can you fix mobile responsive problems?
Yes. I can diagnose and fix common responsive issues such as broken layouts, overflowing elements, incorrect spacing, and mobile navigation problems.
Can you fix JavaScript errors?
Yes. I can investigate JavaScript errors, console errors, broken functions, event-handling issues, and other frontend JavaScript problems.
Can you fix API-related issues?
Yes, I can help with common API integration problems, request/response handling, frontend-backend communication, and related configuration issues.
Do you use AI to fix bugs?
Yes, I use AI-assisted development tools to improve development and debugging efficiency. However, I personally review, test, and validate the solution before delivery.
