I am highly experienced in Shopify and have a good command over: liquid, html5, css3, javascript, SHOPIFY APPS and WordPress Development.
I can provide a complete support with:
⭐ Migration to Shopify 2.0 or WordPress⭐
⭐ Speed Optimisation⭐
⭐ Cart Drawer Integration ⭐ (Customer can checkout from any point of the shop)
⭐ Product Page Sticky Add to Cart ⭐ (Customer can add an item to cart from any point on the Product Page)
⭐ Integration Promo Functionalities without app installation⭐ (Free Gift, Discounts, Bundle Products, or any other methods of purchase )
⭐ Integration Subscriptions Options ⭐ (using an app)  
⭐ Preparation of project plans and time estimates ⭐
⭐ Requirements gathering, market, and technical research
⭐ BONUSES OF WORKING WITH ME:
✓ 100% availability
✓ I can comment the code if you wish to help you learn :)
✓ Night owl, working late to complete projects in good time.
✓ Work most weekends.
✓ You don't have to pay twice for the same work and have a high-quality code that doesn't break then let's discuss your tasks or project.**
Best, Robin