Shopify Customisation

Hello, PLEASE DON'T REPLY IF YOU CAN'T SPEAK OR UNDERSTAND ENGLISH PROPERLY I need an expert in Shopify who can help me solve an issue i'm having. The following are Shopify issues: - As you know there's a big problem creating categories, sub-categories etc on shopify - On the CSV its a very long procedure to add additional images to main product and variants Therefore I need to create a private app that could allow the following: - Create categories, sub-categories etc on shopify using a private app that could allow me to add categories, sub-categories etc on shopify and also able to add them via CSV or any file format like XML. For e.g: Category / Sub Category / Sub-Sub Category field in the Shopify CSV should look like: Electronics > Sound & Vision > Headphones Apparel & Accessories > Clothing > Activewear > Bicycle Activewear Home & Garden > Bathroom Accessories > Bath Pillows These are just some examples; Please see attached file. - Add additional images to main product and variants using the app and by using the CSV, e.g: Additional Image1, 2, 3, 4 field in the Shopify CSV should look like this: Please see Attached File. Again please contact me ONLY if you can do this with no doubt and your english is excellent. Kind regards, Osman A