Background removal from product photos - apparel and accessories

We are a small e-commerce company, operating in the fashion industry. We are looking for somebody skilled in photo retouch, more precisely the removal of the background. PROJECT: Our project duration is about 3-4 month. During this period we produce about 100-130 new product photos per day to be pubblished on our web site. IMPORTANT: The estimated budget is ment to be for one package (100-130 photos). JOB REQUIREMENTS: We need somebody available to retouch a package of 100-130 single photos (each photo is a different product, jpg format) in 12-24 hours after the package is received. We are going to send 1 to 5 packages per week. After retouched, the photos must be saved with the same identical product name in a new folder and in jpg format and sent back to us. The total amount of photos to be worked in 3-4 months is about 4.000. EXAMPLES: Some of the examples of original photos we will send you are attached to this description. The background in the photo should become write/transparent, no shades are allowed. OTHER REQUIREMENTS: We would like to use a shared folder for material exchange, like Dropbox, Google Drive etc. We would like to stay in contact not only via e-mail but also via Whatsapp to have a quick response from both sides. IMPORTANT: The estimated budget is ment to be for one package (100-130 photos).