I will fix HTML CSS javascript react nodejs bugs professionally

L
leo_tillier
L
leo_tillier
Leo Tillier
fix HTML CSS javascript react nodejs bugs professionally
Full Screen
fix HTML CSS javascript react nodejs bugs professionally
Full Screen
Full Screen
fix HTML CSS javascript react nodejs bugs professionallyfix HTML CSS javascript react nodejs bugs professionallyfix HTML CSS javascript react nodejs bugs professionally

About this gig

Is your website not working as expected? I can help you quickly identify and fix bugs in your HTML, CSS, JavaScript, React, or Node.js project.


Whether it's a broken feature, a layout issue, a JavaScript error, or a backend problem, I will work to resolve it with clean, maintainable code.


Services I offer


HTML & CSS bug fixes

JavaScript debugging

React troubleshooting

Node.js & Express bug fixing

API integration issues

Responsive design fixes

UI/UX improvements

Performance optimization

Code cleanup and refactoring

Cross-browser compatibility fixes


Why choose me?


Clean and well-structured code

Fast and professional communication

Reliable solutions

Attention to detail

Modern development practices


Please contact me before placing an order if you are unsure which package best fits your project. I will review your issue and recommend the most suitable option.


I look forward to helping you get your project back on track!

  • Platform

    • Other

  • Website type

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

  • Programming language

    • JavaScript
    • Python
    • HTML & CSS
    • 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 Leo Tillier

Leo Tillier

Full Stack and Desktop Developer

  • FromFrance
  • Member sinceMay 2025
  • Avg. response time1 hour

  • Languages

    English, French
Hi, I’m Leo, a French full-stack and desktop developer. I build responsive websites, secure backend systems, REST APIs and Windows applications using JavaScript, Node.js, Python, C#, .NET and SQL. I focus on clean architecture, maintainable code, performance and clear communication. Please contact me before ordering so I can review your requirements and recommend the right solution.

My Portfolio

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