I will fix website bugs errors frontend backend


About this gig
Is something broken on your website or web application?
I can diagnose and fix bugs, errors, layout problems and unexpected behavior in your existing project.
I can help with:
- HTML and CSS issues
- JavaScript errors
- PHP bugs
- WordPress problems
- React and Next.js issues
- Node.js errors
- Frontend and backend bugs
- Responsive and mobile layout issues
- Forms and buttons not working
- API integration problems
- Console and runtime errors
- Routing and navigation issues
- Build and deployment problems
- Small database-related issues
I focus on finding the actual cause of the problem and providing a clean, maintainable fix.
Please contact me before ordering if your project has multiple complex issues, authentication, payment systems, server problems or a large existing codebase.
Send me the issue details, screenshots or error messages and I will help you choose the right package.
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 Egor Z.
Full Stack Developer React Python
- FromRussia
- Member sinceAug 2026
- Avg. response time1 hour
Languages
English, Russian, German, Spanish, Turkish
My Portfolio
Other Website Maintenance Services I Offer
FAQ
What do you need to start?
Please provide a clear description of the issue, screenshots or error messages, steps to reproduce the problem and access to the relevant source code if required.
What technologies can you work with?
I can work with HTML, CSS, JavaScript, PHP, WordPress, React, Next.js, Node.js, APIs and other common web technologies depending on the project.
Can you fix responsive and mobile issues?
Yes. I can fix layout, CSS and responsive problems affecting desktop, tablet and mobile devices.
Can you work with an existing website or codebase?
Yes. This service is specifically intended for fixing and improving existing websites and web applications.
What if I have several bugs?
Please send me a list of the issues before ordering. I can recommend the appropriate package or create a custom offer based on the scope.
Can you fix backend or API problems?
Yes, depending on the issue. I can work with PHP, Node.js, APIs and frontend-backend integrations. Please contact me first for complex backend, database or server problems.

