Urgent: JavaScript Compatibility Fix for Shopify Store

We are seeking an experienced front-end developer with expertise in JavaScript and Shopify to urgently resolve compatibility issues on our Shopify store. The site is built using the Prestige theme and functions correctly on newer devices but has issues displaying properly on older devices.

Key Responsibilities:

Diagnose and fix JavaScript compatibility issues affecting the display of elements on older devices and browsers.
Implement necessary polyfills and fallbacks for unsupported JavaScript features in older browsers.
Ensure the website is fully responsive and elements are correctly displayed across all devices and browsers.
Test the website on various devices and browsers using tools like BrowserStack to ensure compatibility.
Requirements:

Proven experience with JavaScript, HTML, and CSS.
Strong understanding of Shopify themes and Liquid template language.
Familiarity with browser compatibility issues and solutions, including the use of polyfills and Modernizr.
Ability to debug and test on multiple devices and browsers.
Strong problem-solving skills and attention to detail.
Immediate availability to start and complete the job quickly.
Project Details:

Platform: Shopify
Theme: Prestige
Deadline: ASAP
Budget: £100
To Apply:
Please provide:

A brief overview of your experience with similar projects.
Examples of previous work where you resolved compatibility issues.
Your availability and estimated timeframe to complete this task.