Convert Mockup to Shopify Theme

I already have a full-page mock-up of my new Shopify store and now need it turned into a production-ready theme. The shop will sell hardware items, so every template, menu and label must appear in Spanish from the start... (Budget: $250 - $750 USD, Jobs: CSS, HTML, JavaScript, SEO, Shopify, Shopify Development, Shopify Templates, Web Development, Website Design, Website Development)