Want a source code from shopify

I am looking for a freelancer who can provide me with a source code for a customized checkout process on my Shopify store. I have no preference for the programming language used. I do not require any specific features or elements from my current Shopify store to be included in the source code.

Skills and Experience:
- Experience with Shopify development
- Proficiency in programming languages such as Ruby and JavaScript
- Understanding of e-commerce and checkout processes