Need highly good skilled shopify developer. You must know development skills of shopify ecommerce store, Liquid/JS programming and web related details.
You must know from shopify store general setup, code customization, bug fixing, 3rd party app code integrations. Web development is essential for this skill.
JS programming is mandatory. nice CSS implementaion is good necessary, too.
Shopify apps development is also require in your skill part.
Apply only if you know these above.
Do not waste your and our time if you do not know above skills.