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I will fix HTML CSS and javascript bugs on your website
Aleksei O
About this gig
Is your website displaying incorrectly, behaving unexpectedly, or showing JavaScript errors?
I can help you find and fix frontend issues in HTML, CSS, and JavaScript.
I'm a Software Engineer with 4+ years of hands-on frontend development experience, including enterprise projects for SAP.
What I can fix:
- HTML structure and layout issues
- CSS styling, Flexbox, and Grid problems
- Responsive design issues on mobile and tablet
- JavaScript errors and broken functionality
- Buttons, forms, menus, and other interactive elements
- Browser compatibility issues
- Frontend API integration errors
- Accessibility and keyboard navigation problems
What you'll receive:
- Investigation and resolution of the agreed issue
- Clean, maintainable code changes
- Updated source files
- An explanation of what was fixed
I primarily work with custom-coded websites using HTML, CSS, SCSS, JavaScript, and TypeScript.
Please contact me before placing an order so I can review the issue and confirm the appropriate 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 Aleksei O
Aleksei O
Frontend Engineer
- FromUruguay
- Member sinceSep 2026
Languages
English, Russian, Spanish
I am a Frontend Engineer with over 4 years of frontend development experience, specializing in Angular, TypeScript, and RxJS. I have a proven track record of building reusable search components and optimizing performance for enterprise solutions at SAP. I am passionate about accessibility, modernizing Angular applications, and delivering secure, high-quality code.
My Portfolio
FAQ
Can you fix an existing website without rebuilding it?
Yes. I can work with existing HTML, CSS, and JavaScript code to resolve specific frontend issues.
Can you fix mobile responsiveness issues?
Yes. I can fix layout, spacing, overflow, and other responsive design problems on mobile and tablet screens.
Do you work with WordPress or Shopify?
I focus on custom frontend code. I don't offer WordPress or Shopify platform-specific troubleshooting, but I can review custom HTML, CSS, or JavaScript issues.
Can you fix more than one issue?
Yes. Please send me the details so I can estimate the scope and recommend a package or custom offer.
