Shopify Website Customization Expert Needed

We are looking for an experienced Shopify freelancer/developer to help us enhance and customize our Shopify website. Below are our detailed requirements:

1) Variant Image Display:-
Display only the selected color variant images on the product page Hide images of other color variants when a specific color is selected

2) Advanced Product Customization (Live Preview Required):-
We need a powerful product personalizer with live preview and conditional logic, including:
*Customization Options:- Checkboxes, Color swatches, Conditional logic (show/hide options based on selections or variants), Font selection, Date selection, Dimensions, Dropdowns, File upload, Multi-select, Number inputs, Radio buttons, Custom text input, Gift wrap option

*Advanced Features:- Custom CSS & Custom HTML, Size charts, Live preview, Multi-language / translation support, Import & export options

3) Pricing & Inventory Logic:-
Variant display management, Custom pricing & dynamic pricing, Conditional pricing, Bulk pricing & tiered pricing, Add-ons & variant upcharges, Premium upcharges, Hide out-of-stock products, Inventory auto-updates

4) Mobile Optimization:-
The primary focus is excellent mobile UI/UX Smooth customization and preview experience on mobile devices

5) Review Integration:-
Integration of Amazon product reviews or review link on Shopify product pages

6) Shipping & Delivery Integration:-
Integration with Swift courier & Pincode-based estimated delivery timeline display on product pages

Freelancer Requirements:-
1) Strong experience with Shopify (Liquid, JavaScript, custom code)
2) Experience with product customization solutions (app-based or custom-built)
3) Focus on performance, scalability, and mobile-first design

Please share:-
1) Relevant Shopify work samples
2) Estimated timeline
3) Confirmation that the project fits within the mentioned budget