Experienced Shopify developer required, For Coding errors, Customize Email Template, Google Sheets Addon Extra

We need an experience shopify developer for following 4 things to be fixed on our Shopify store 1. Coding Issue; Due to Some coding issues, in our online Shopify store, after 2,3 days prices, description extra get reverse means all changes went back, it also broke links of posts or banners in our collections somehow & it show alt text instead of banner, we have to save copy of csv file to import again to make sure it does not go back & export copy every time when we change something. Menu option is neither working on mobile nor add instruction/ message box working, Similarly currency converter option on clicking lead to cart. We need someone who can find & fix this issue, once at all. 2. we already have notification invoice/Email working on new order but we need to customize that according to our needs like we need it to include limited specified details from products description, we want to invoice/Email be concise & 2 portions, so that on delivery 1 will remain to customer & other part delivery man can bring back with signature on it. we will give a word file according to which you can design. 3. we need to setup Add on in google sheet to bring new paid orders automatically on Google Sheet. 4. We need to setup order status & tracking, please note we do not need order status emails/pages any customization we just need you to bring shipping confirmation, out for delivery & order delivered option in order to make us to fulfil individually. For tracking option, a page link where if the customer put order # it will bring the customer to order status page which will be status of order, out for delivery or items delivered extra.