I will add features customize and improve your website or web app


About this gig
Need a new feature or changes to your existing website or web application?
I can customize, improve, and extend your current project without rebuilding everything from scratch.
I can help with:
- New website sections and components
- UI and layout changes
- Forms and validation
- API integrations
- Search and filtering
- Modals and interactive elements
- Responsive improvements
- Navigation and routing
- Dynamic content
- Frontend and backend improvements
- PHP and JavaScript changes
- React and Next.js features
- WordPress customizations
- Performance improvements
- Existing feature upgrades
I work with existing codebases and focus on implementing changes cleanly while keeping your current functionality stable.
Please contact me before ordering if your request includes authentication, payments, complex backend systems, databases, or multiple large features.
Send me your requirements and I will help you choose the right package or create a custom offer for your project.
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
Can you work with my existing website or codebase?
Yes. This service is specifically designed for modifying and improving existing websites and web applications.
What technologies can you work with?
I can work with HTML, CSS, JavaScript, PHP, React, Next.js, Node.js, WordPress, APIs and other common web technologies depending on the project.
Can you add API integrations?
Yes. I can integrate REST APIs and connect your existing project to external services depending on the requirements.
Can you create new sections or components?
Yes. I can build and integrate new UI sections, reusable components, forms, modals and other functionality into your existing project.
Can you improve mobile responsiveness?
Yes. I can modify existing layouts and components to work properly on desktop, tablet and mobile devices.
Can you add authentication or payment functionality?
Yes, depending on the project. Please contact me before ordering because authentication and payment systems usually require a custom scope and price.
Which package should I choose?
Send me a short description of the changes you need and I can recommend the most suitable package before you order.

