Advanced Shopify Liquid Language Coder

I'm looking for an advanced coder specifically with the Liquid language for Shopify.
This is a competitor using the free "Dawn" theme on Shopify as a base with custom coding added onto it.
https://mengotomars.com/

Please do not apply if you cannot do something of similar quality, willing to pay good if this can be done at similar quality with potential additional changes in the future as we test different things like landing pages / offers.

Answer the questions below to be qualified (If you do not answer, you will be disqualified automatically).

1. What's your experience with high converting Shopify websites?
2. Have you ever built a website from a free base theme using custom Liquid coding?
3. Do you have a portfolio of past work with SIMILAR quality? Please link.