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I will fix bugs in your website

M
mariomardev
M
mariomardev
Mario M
fix bugs in your website
Full Screen
fix bugs in your website

About this gig

Hi! Im Mario, a web developer experienced in HTML, CSS, JavaScript, PHP, Java, React, Node.js, and Shopify development.

If your website has bugs, layout issues, loading problems, crashes, broken features, or anything that is not working properly, I can help you fix it quickly and professionally.

I can help with:

  • Bug fixing
  • Website errors
  • Shopify issues
  • Responsive design problems
  • Frontend and backend fixes
  • Performance and loading issues
  • Code maintenance

I will carefully review your website, identify the problem, and provide a clean and reliable solution according to the package you choose.

Feel free to contact me before placing an order so we can discuss your issue and find the best solution for your website.

Prices are negotiable depending on the complexity of the task.


  • Platform

    • Shopify

  • Website type

    • E-Commerce store
    • Business
    • Landing page
    • Blog
    • Dropshipping

  • Programming language

    • Java
    • JavaScript
    • PHP
    • Python
    • TypeScript
    • HTML & CSS
    • React
    • Laravel
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 Mario M

Mario M

Web Programmer

  • FromSpain
  • Member sinceMay 2026

  • Languages

    Spanish, English
I am a programmer based in Elche with experience in web development using JavaScript, PHP, SQL, and HTML/CSS. I have a technical background in Docker, Amazon Web Services (AWS), and Kubernetes, and I have complemented my professional path with roles in event management and logistics.

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