Shopify Bug Fix & Tune-Up

I’m looking for an experienced Shopify developer to jump in on an hourly basis and clear up several nagging issues that have crept into the store. The priority is to resolve bugs affecting two key areas: the product pages and the main navigation/menu... (Budget: $25 - $50 AUD, Jobs: CSS, JavaScript, SEO, Shopify, Shopify Templates, Web Design, Web Development, Website Optimization)