I will debug, fix errors and optimize your javascript, css or html code

M
moraw117
M
moraw117
Joel M.
debug, fix errors and optimize your javascript, css or html code
Full Screen
debug, fix errors and optimize your javascript, css or html code

About this gig

Is your website broken, throwing console errors, or completely ruined on mobile screens? Don't panic, I am here to help you fix it fast!

As a frontend developer, I know how frustrating a single broken line of code can be. I specialize in deep debugging, inspecting components, and optimizing custom code to get your web application running perfectly in record time.

What I can fix for you:

HTML5 / CSS3: Layout breaks, broken flexbox/grid structures, overlapping elements, custom fonts, and styling tweaks.

Responsive Design: Making sure your website looks perfect across all mobile devices, tablets, and desktop screens.

JavaScript: Console errors, broken logical functions, event listeners, array/object bugs, and form validations.

Advanced Integration: API fetch/Axios routing errors, local storage issues, login flows, and basic database connection bugs.

Why choose me?

Professional, clean, and well-commented code repair.

Fast response time and ultra-quick delivery for urgent bugs.

100% satisfaction guaranteed with clear communication.

NOTE: Please contact me via inbox before placing an order so we can discuss the error and choose the perfect package for your project.

  • Platform

    • Custom

  • Programming language

    • Java
    • JavaScript
    • PHP
    • HTML & CSS
    • Bootstrap
    • React
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 Joel M.

Joel M.

Professional Frontend and Responsive Web Developer

  • FromMexico
  • Member sinceMay 2026
  • Avg. response time1 hour

  • Languages

    English
Hi! I am Joel, a Full Stack Developer specializing in responsive frontend architecture and pixel-perfect layouts. My core expertise includes the JavaScript ecosystem (React, modern CSS, and HTML5) along with relational databases using SQL. I am highly committed to writing clean, maintainable, and optimized code that delivers an exceptional user experience across all devices. Whether you need a dynamic landing page developed or layout bugs fixed with precision, I am ready to bring your digital projects to life. Let's work together!

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